PULSAR TELOS LRF XL50 Manual

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Specifications

About the device

Description

Package contents

Components and controls

Features

Power supply

Precautions

Recommendations for Battery Use

Battery Charging

Battery Installation

External Power Supply

Getting started

Powering on and Image Settings

Installation of the 3-point strap on the carrying case

Button operation

Interface

Status bar

Quick menu

Main Menu

Functions

Video Recording and Photography

Digital Zoom

PiP Function

Display-Off Function

Wi-Fi Function

Stadiametric Rangefinder

Installing the Device on a Tripod

USB Connection

Software

Firmware Update

Stream Vision 2

Maintenance

Technical Maintenance and Storage

Technical Inspection

Troubleshooting

Legal Compliances and Disclaimers

Specifications

Model	LRF XL50
SKU	77515
Microbolometer
Type	uncooled
Resolution, Pixels	1024×768
Pixel Pitch, µm	12
NETD, mK	< 40
Frame Rate, Hz	50
Optical Characteristics
Optical Magnification, x	2.5
Smooth Digital Zoom	2.5-20
Digital Zoom, x	x1 – x4
Lens Focus, mm	50
Relative Aperture, D/f’	1.0
Minimum Focus Distance, m/y	5 / 5.5
Exit Pupil Diameter, mm/inch	4 / 0.16
Angular Field of View (Horizontal x Vertical), degree	14×10.5
Linear Field of View, m at 100 m	24.6
Eyepiece Focus Range, Dioptre	+4 / -5
Detection Distance for Deer-Sized Objects, m/y	2300 / 2515
Display
Type	AMOLED
Resolution, Pixels	1024×768
Operational Characteristics
Power Supply, V	3 – 4.2
Battery Type/Capacity/Nominal Output Voltage	LPS7i Li-ion Battery Pack / 6400 mAh / DC 3.7 V
External Power Supply	5 V, 9 V (USB Type-C)
Battery Run Time at t=22°C, hours*	7
Degree of Protection, IP Code (IEC60529)	IPX7
Operating Temperature Range, °C / °F	-25 … +40 / -13 – +104
Dimensions, mm/inch	243x72x90 / 9.57×2.83×3.54
Weight (with battery), kg/oz	0.73 / 25.8
Video Recorder
Photo/Video Resolution, Pixels	1024×768
Video/Photo Format	.mp4 / .jpg
Built-in Memory	64 GB
Wi-Fi Channel**
Frequency	2.4/5 GHz
Standard	IEEE 802.11 b/g/n/ac
Characteristics of the Rangefinder
Wavelength, nm	905
Measurement Range, m/y***	1000/1094
Measurement Accuracy, m	1

* Actual operating time depends on the extent of using Wi-Fi, integrated video recorder and integrated laser rangefinder.

** Reception range may vary depending on various factors: obstacles, other Wi-Fi networks.

*** Depends on the characteristics of the object under observation and environmental conditions.

About the device

Description

Telos LRF thermal imaging monoculars are designed for use both at night-time and during the day and provide exceptional image quality even in adverse weather conditions (fog, smog, rain) and beyond obstacles like branches, tall grass, dense foliage, etc. known to hinder target detection.

Unlike night-vision devices based on electron-optical converters, thermal imaging devices do not need an external light source and are resistant to bright light.

Telos LRF thermal imagers are designed for various applications including hunting, observation, security, terrain orientation, search and rescue operations, etc.

Telos LRF thermal imagers are equipped with a built-in laser rangefinder with a range of up to 1000 m and a measurement accuracy of ± 1 m.

Package contents

Telos LRF thermal imager
LPS7i battery pack with protective cover
Spare battery compartment cover
Power adapter
USB Type-C cable with USB Type-A adapter
Case
Hand strap
Quick start guide
Lens cloth
Warranty card

Components and controls

Lens cover
Laser rangefinder
Lens focus ring
Digital zoom adjustment ring
Battery compartment
LPS7i battery
Battery compartment cover
Battery protective cover
ON/OFF/Calibration button
UP/REC button
MENU button
DOWN/LRF button
Eyepiece diopter adjustment ring
Tripod adapter (available separately)
Operation status LED indication
Microphone
USB Type-C connector
LED indication of battery charge in the device

LED indicator (15) displays the current status of the device:

LED Indicator	Operating Mode
	Device is turned on
	The device is turned on/video recording
	The device is turned on/battery charge < 10%
	The device is turned on/video recording/battery charge < 10%

Features

Functional and ergonomic design
8-colour display palette
3 calibration modes: Manual, Semi-Automatic, Automatic
Detection range up to 1800 m/1969 yds
Smooth digital zoom 2.5-10x
Three levels of sensitivity enhancement: Normal, High, Ultra
Integrated laser rangefinder
Display-Off function
Defective pixel repair
Updatable firmware
Wide operating temperature range (-25°С to +40°С / -13°F to +104°F)
Fully waterproof (IPX7 rated)

Video/Audio Recording

Built-in video and sound recorder
Integration with iOS and Android devices
Wi-Fi remote control and viewing using a smartphone
Storing photos and videos in Cloud when using the Stream Vision 2 App

Battery Pack

Quick Change Li-Ion Battery Pack LPS7i
Charging from USB Power Bank
Quick-Charge power delivery

Power supply

Precautions

It is not recommended to charge the battery with the USB cable and wireless charger at the same time. This will not increase the charge rate and may damage the battery.
Use the USB Type-C cable and power adapter supplied with the device (or purchased separately) to charge the LPS 7i batteries.
Follow the safety precautions described in its Manual when using the wireless charger.
Do not place any foreign objects between the battery and wireless charger platform.
Do not charge the battery immediately after bringing it from cold to warm. Wait at least 30 minutes for the battery to warm up.
Do not leave the battery unattended while charging.
Do not use the power adapter and wireless charger if they have been modified or damaged.
Do not leave the battery plugged in after charging is complete.
Do not expose the battery to high temperatures and naked flame.
Do not use the battery as a power source for devices that do not support LPS 7i batteries.
Do not disassemble or deform the battery.
Do not drop or strike the battery.
Do not submerge the battery.
Keep the battery out of the reach of children.

Recommendations for Battery Use

The battery should be partially charged (50 to 80 %) for long-term storage.
Charge at an ambient temperature of 0°C to +35°C (32°F to 95°F) or the lifespan of the battery will decrease significantly.
Using the battery at sub 0°C (<32°F) ambient temperature decreases battery capacity. This is normal and not a defect.
Using the battery at temperatures outside the range of -25°C to +50°C (-13°F to 122°F) may reduce battery life.
The battery is short-circuit protected. Any situation that may cause short-circuiting should be avoided.

Battery Charging

The Telos LRF thermal imager comes with an LPS7i rechargeable Lithium-ion battery. LPS7i batteries support USB Power Delivery fast charging technology when using a standard charging set (USB Type-C cable, power adapter). Before first use, make sure the battery is fully charged. LPS 7i batteries also support wireless charging.

The icon in the status bar will flash when the battery is low. The battery needs to be charged.

Option 1. USB Charging

Install the LPS7i battery in the battery compartment of the device.
Connect the USB cable (21) to the USB Type-C connector (17) of the device.
Connect the other end of the USB cable (21) to the Power Adapter (22) by removing the USB Type-A adapter.
Plug the Power Adapter (22) into a 100-240 V socket.
Wait until the battery is fully charged (indication in the status bar: ).

If the device is off, the LED indicator (18) will display the battery charge status:

LED indication	Battery charge status
	Battery defective. Do not use the battery!
	Battery charge level is from 0% to 50%
	Battery charge level is from 51% to 75%
	Battery charge level is from 76% to 99%
	Battery is full

Option 2. Charging the battery via USB

Remove the protective cover (8).
Connect the plug of the USB Type-C cable (21) to the USB Type-C connector (19) of the battery.
For fast charging, connect the second end of the USB Type-C cable (21) to the Type-C connector of the power adapter (22) by removing the Type-A adapter from the plug. When connected to a computer or a Type-A power adapter, the battery will charge at normal speed.
Plug the power adapter (22) into a 100-240 V socket.
LED (20) will display battery charge level (see Table).

LED indication	Battery charge status
	Battery defective. Do not use the battery!
	Battery charge level is from 0% to 50%
	Battery charge level is from 51% to 75%
	Battery charge level is from 76% to 99%
	Battery is full

Option 3. Wireless Charging

Place the battery (6) with the sign side on the wireless charger* (23). For more efficient wireless charging, align the lightning bolt icon on the battery with the centre of the charger platform (23).
Turn on the wireless charger according to its instruction manual.
LED (20) will display battery charge level (see Table).

* Third party-purchasing. The LPS7i battery works with all QI standard wireless chargers.

Note: Charging with a USB cable is significantly faster than using a wireless charger.

Battery Installation

1. Install the cover (7) on the LPS7i battery (6).

2. Insert the battery (6) into the battery compartment (5) until you hear a click. The battery contacts must face the top of the device (see diagram).

3. To remove the battery (6), slide the switch (A) on the cover (7) to the left .

External Power Supply

Power can be supplied from an external source such as a 5 V or 9 V power bank.

Connect the external power source to the USB Type-C connector (17) on the device.
The device will switch to draw power from the external source while the LPS7i battery is gradually recharged.
A battery icon will appear on the display showing the percentage-charged level.
An icon will be displayed when the device is powered by an external power source and the LPS7i battery is not connected.
The device automatically switches to the LPS7i battery when the external power supply is disconnected.

Attention! Charging LPS7i batteries from an external source at temperatures below 0°C (<32°F) can reduce battery life. When using external power, connect the power bank to the device only after it has been turned on and working (warming) for at least several minutes.

Getting started

Powering on and Image Settings

Open the lens cover (1).
Press the ON/OFF (9) button briefly to turn on the device.
Adjust the eyepiece diopter ring (13) until the symbols in the display are sharp.
Rotate the lens focus ring (3) to focus on the object being observed.
To change the magnification, turn the digital zoom adjustment ring (4).
Enter the main menu with a long press of the MENU (11) button and select the desired calibration mode: manual (M), semi-automatic (SA) or automatic (A).
Calibrate the image by briefly pressing the ON/OFF (9) button (if the SA or M calibration mode has been selected). Close the lens cover when calibrating manually.
Activate the quick menu by briefly pressing the MENU (11) button to adjust the brightness and contrast of the display and select the desired amplification level (“Normal” , “High” , “Ultra” (for more details see the Quick Menu section).
Activate the smoothing filter in the main menu to improve the image as the amplification level increases.
Select one of the colour palettes in the main menu (for more details see the Colour Modes section).
Upon completion of use turn the device off by a long press of the ON/OFF (9) button.

Observation conditions: time of day, weather, type of observation objects affect the image quality. Custom settings for brightness, display contrast as well as the function of adjusting the microbolometer sensitivity amplification level will help to achieve the desired quality in a particular situation.

Warning! Never point the lens at intensive energy sources such as laser radiation emitting devices or the sun. It can damage electronic components in the device. The warranty does not cover damage arising from failure to comply with operating instructions.

Adjusting the position of the hand strap

Installation of the 3-point strap on the carrying case

The carrying case comes with 3-point-strap for comfortable carrying of the case on the chest during intensive movement.

Button operation

Operation	Button
Power device on	short press
Power device off	long press for 3 secs
Turn display oﬀ	long press for less than 3 secs
Turn display on	short press
Calibrate the microbolometer	short press
Turn on/off the White Hot palette	long press
Video Recorder	Button
Start/pause/resume video recording	short press
Stop video recording	long press
Switch to video / photo	long press
Capture a photo	short press
Laser Rangefinder	Button
Turn on rangefinder	short press
Single distance measurement	short press
Activate rangefinder scan mode	long press
Deactivate rangefinder scan mode	short press
Turn off rangefinder	long press
Main Menu	Button
Enter main menu	long press
Navigation upwards/rightwards	short press
Navigation downwards/leftwards	short press
Conﬁrm selection	short press
Exit submenu without conﬁrming selection	long press
Exit menu (switch to viewing mode)	long press
Quick Menu	Button
Enter quick menu	short press
Switch between quick menu options	short press
Increase value	short press
Decrease value	short press
Exit quick menu	long press

Interface

Status bar

The status bar at the bottom of the display shows current operating statuses via icons, including:

Colour Mode:

– White hot

– Black hot

Amplification level

Smoothing Filter (displayed when the function is on)
Calibration Mode (in Automatic calibration mode a countdown timer will appear instead of the calibration mode icon 3 seconds before automatic calibration begins).
Microphone
Magnification
Wi-Fi Connection
Time
Power Indication:

– charge level if the device is powered by a battery

– charge level if the device is charging and powered by a battery

– no battery, the device is connected to an external power supply

Quick menu

The quick menu is used to quickly access the settings for brightness, contrast, and amplification modes.

Enter the menu by briefly pressing the MENU (11).
A short press of the MENU (11) button enables you to toggle between functions, as described below.

Brightness – press the UP (10)/DOWN (12) buttons to change display brightness from 0 to 20.

Contrast – press the UP (10)/DOWN (12) buttons to change image contrast from 0 to 20.

Note: display brightness and contrast settings are saved in the memory when the device is turned off.

Amplification Levels – allows you to select one of three amplifying levels of sensitivity (Normal , High , Ultra ).

Note: To maintain brightness and contrast settings when changing amplifying levels, activate User Mode.

Press and hold the MENU (11) button to exit the menu or wait for 10 seconds to exit automatically.

Main Menu

Enter the Main Menu

Enter the main menu with a long press of the MENU (11) button.
Press the UP (10)/DOWN (12) buttons to move through the menu items.
Press the MENU (11) button briefly to select the menu item.
Press and hold the MENU (11) button to exit the menu or wait for 10 seconds to exit automatically.
Automatic exit takes place after 10 seconds of inactivity.

Note: When entering the main menu, the background image darkens to enhance the menu visibility. This is normal and not a defect.

General View of Menu

Tab 1

Tab 2

Amplification Level

The Normal , High , Ultra sensitivity enhancement features are the latest in software algorithm offerings from Pulsar that enhance the quality of detection and object recognition, regardless of observation conditions. When the temperature contrast decreases due to conditions such as fog, precipitation or high humidity, increasing the amplification level can optimize the image picture.

To reduce digital distortion, activate the Smoothing Filter in the main menu.

Normal

High

Ultra

Quick Menu:

Enter the quick menu by briefly pressing the MENU (11) button.
Briefly press the MENU (11) button to select the Amplification Level icon.
Use the UP (10)/DOWN (12) buttons to select one of three amplifying levels of sensitivity (Normal , High , Ultra ).
Press and hold the MENU (11) button to exit the menu or wait for 10 seconds to exit automatically.

Main Menu:

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Amplification Level icon.
Press the MENU (11) button briefly to enter the Amplification Level submenu.
Use the UP (10)/DOWN (12) buttons to select one of three amplifying levels of sensitivity (Normal , High , Ultra ).
Press the MENU (11) button briefly to confirm the selection.

Colour Modes

Colour palette selection.

White Hot is the default display mode.

To select an alternative palette, do the following:

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select Colour Modes icon.
Press the MENU (11) button briefly to enter the submenu.
Use the UP (10)/DOWN (12) buttons to select the desired palette.
Press the MENU (11) button briefly to confirm the selection.

Note: you can also switch from a selected color palette to the White hot palette with a long press of the DOWN (12) button.

Tip: to preserve brightness and contrast values when switching palettes, activate User Mode.

Black hot – a black and white palette where white = cold; black = hot
Red Hot
Red Monochrome
Rainbow
Ultramarine
Violet
Sepia

Attention! The device should not be used to accurately measure temperature. The images generated are based on temperature contrast rather than true temperature readings.

Smoothing Filter

Used to reduce digital distortion while maintaining a high level of sensitivity.

Smoothing Filter Off

Smoothing Filter On

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Smoothing Filter icon.
Press the MENU (11) button briefly to turn the filter on/off.

User Mode

The User Mode function saves selected brightness and contrast settings in the device’s memory providing optimal image quality for the next use of the thermal imager immediately, with no additional adjustments needed.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the User Mode icon.
Press the MENU (11) button briefly to turn the mode on/off.

Display Settings

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Display Settings menu item.
Press the MENU (11) button briefly to enter the submenu.

Display dimming

The dimming function is designed to reduce the brightness of the display when using the device in the dark to reduce eye strain.

The Overlay Brightness value in dimming mode will be retained when the function is turned on again.

Press the MENU (11) button to select On for turning on the function or Off for turning it off.

Overlay Brightness

Adjust brightness level of the icons and screensavers (Pulsar, Display off) on the display.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Overlay Brightness icon.
Press the MENU (11) button briefly to enter the submenu.
Use the UP (10)/DOWN (12) buttons to select the desired brightness level from 0 to 10.
Press the MENU (11) button briefly to confirm the selection.

PiP Mode

Picture in Picture mode

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the PiP Mode icon.
Press the MENU (11) button briefly to turn on/off.

Wi-Fi Settings

This item enables you to set up your device for operation in a Wi-Fi network.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Wi-Fi Settings icon.
Press the MENU (11) button briefly to enter the submenu.

Wi-Fi Activation

Turning Wi-Fi on/off

Use the UP (10)/DOWN (12) buttons to select the Wi-Fi Activation icon.
Press the MENU (11) button briefly to turn Wi-Fi on/off.

Password Setup

This function enables you to set a password to access the scope from an external device. The password is used to connect an external device (i.e. smartphone) to your thermal imager.

Use the UP (10)/DOWN (12) buttons to select the Password Setup icon.
Press the MENU (11) button briefly to enter the submenu.
The unique password only for your device will appear on the image.
Use the UP (10)/DOWN (12) buttons to set the desired password using the UP (10) button to increase and the DOWN (12) button to decrease the values.
Press the MENU (11) button to toggle between the digits.
Press and hold the MENU (11) button to save your password and exit the submenu.

Access Level Setup

This option allows you to configure the appropriate access level to your device made available to the Stream Vision 2 application.

Owner level. A Stream Vision 2 user has full access to all device functions.
Guest level. A Stream Vision 2 user only has access to the real time video stream from the device.

Use the UP (10)/DOWN (12) buttons to select the Access Level Setup icon.
Press the MENU (11) button briefly to enter the submenu.
Select the access level with the UP (10)/DOWN (12) buttons.
Press and hold the MENU (11) to confirm your selection and exit from the submenu.

Wi-Fi Band

This setting helps to solve smartphone connection issues in the following cases:

If your smartphone does not support 5 GHz Wi-Fi band, switch to 2.4 GHz.
Many Wi-Fi networks cause interference. In this case, switching between Wi-Fi bands can improve the connection between the device and the smartphone.

Use the UP (10)/DOWN (12) buttons to select the Wi-Fi Band icon.
Press the MENU (11) button briefly to enter the submenu.
Press the UP (10)/DOWN (12) buttons to select the Wi-Fi bandwidth – 5 GHz or 2.4 GHz.
Confirm your selection with a short press of the controller MENU (11) button.

Microphone

Turning microphone on/off

This item allows you to enable (or disable) the microphone for recording sound during video recording.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select Microphone icon.
Press the MENU (11) button briefly to turn on/off.

The microphone is off by default.

Calibration Mode

Calibration mode selection.

Calibration enables the device to equalize the microbolometer background temperature and eliminate the image flaws (such as vertical bars, phantom images, etc.).

There are three calibration modes: Manual, Semi-Automatic and Automatic.

The selected calibration mode is displayed in the status bar.

Select the required mode in the Calibration Mode menu item:

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Calibration Mode icon.
Press the MENU (11) button briefly to enter the submenu.
Use the UP (10)/DOWN (12) buttons to select one of the calibration modes described below.
Press the MENU (11) button briefly to confirm the selection.

M mode (Manual)

Close the lens cover (1).
Press the ON/OFF (9) button briefly.
Open the lens cover (1) after the calibration is completed.

SA mode (Semi-Automatic)

The user independently determines the need for calibration (according to the image being observed).
Press the ON/OFF (9) button briefly to activate calibration.
There is no need to close the lens cover because an internal shutter covers the microbolometer automatically.

A mode (Automatic)

The device is calibrated autonomously according to firmware algorithms.
There is no need to close the lens cover because an internal shutter covers the microbolometer automatically.
In this mode, the user can still choose to calibrate the device using the ON/OFF (9) button if required (as in the SA mode).
In Automatic calibration mode a countdown timer will appear instead of the calibration mode icon 5 seconds before automatic calibration begins.

Notes:

During calibration, the image on the display briefly freezes for up to 1 second.
The selected calibration mode is saved after restarting the device.

General Settings

This menu section allows you to change the interface language, set the date, time, units of measure, return the device to factory default settings and perform memory card formatting.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the General Settings icon.
Press the MENU (11) button briefly to enter the submenu.
Choose the required menu item with UP (10)/DOWN (12) buttons.

Language

Language selection

Press the MENU (11) button briefly to enter the Language menu item.
Use the UP (10)/DOWN (12) buttons to select one of the available interface languages: English, German, Spanish, French, Russian, Italian, Portuguese, Dutch, Danish, Norwegian, Swedish, Polish, Czech, Hungarian, Bulgarian, Finnish, Lithuanian, Latvian, Ukrainian.
Press the MENU (11) button briefly to confirm the selection.
Press and hold the MENU (11) button to save your selection and exit from the submenu.

Date

Date setting

Press the MENU (11) button briefly to enter the Date menu item. The date is displayed in dd/mm/yyyy format.
Use the UP (10)/DOWN (12) buttons to select the desired year, month, and date. Press the MENU (11) button briefly to toggle between digits.
Press and hold the MENU (11) button to save the date and exit the submenu.

Time

Time setting

Press the MENU (11) button briefly to enter the Time menu item.
Select the time format (24-hour clock or AM / PM) by pressing the UP (10)/DOWN (12).
Press the MENU (11) button to select the hours.
Press the UP (10)/DOWN (12) buttons to select the hour value.
Press the MENU (11) button to select the minutes.
Press the UP (10)/DOWN (12) buttons to select the minute value.
Press and hold the MENU (11) button to save the time and exit the submenu.

Units of Measure

Rangefinder units of measure

Press the MENU (11) button briefly to enter the Units of Measure menu item.
Press the UP (10)/DOWN (12) buttons to select either Meters or Yards as the unit of measure.
Press the MENU (11) button briefly to confirm your selection.
Exit from the submenu will happen automatically.

Video Compression

When set to ON, standard video compression is applied so the video file size is reduced.

When set to OFF, minimal video compression is applied. In this case, the quality of the recorded video is better, but its size is significantly increased.

Warning! Larger video file sizes result in shorter recording times. This may lead to longer download times for video files through the Stream Vision 2 app.

Enable/disable video compression:

Select the Video Compression menu item with the UP (10)/DOWN (12) buttons.
To turn on video compression, briefly press the MENU (11) button.
To turn off video compression, briefly press the MENU (11) button.

Auto Shutdown Options

When this feature is enabled, the device automatically turns off after 30 minutes of inactivity in Display off mode.

Use the UP (10)/DOWN (12) buttons to select Auto Shutdown Options .
Press the MENU (11) button to enter the submenu.
Press MENU (11) button to select On for turning on the function If device inactive for 30 min or Off for turning it off.

Haptic Vibro Indication

This function activates the vibration indication when the device is turned on/off and when buttons are pressed.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Haptic Vibro Indication icon.
Press the MENU (11) button briefly to turn the function on/off.

LED indication

Turn on/off the LED indicating the operation of the device.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the LED indication icon.
Press the MENU (11) button briefly to turn the LED indication on/off.

Default Settings

Factory reset

Press the MENU (11) button briefly to enter the Default Settings menu item.
Use the UP (10)/DOWN (12) buttons to select Yes to restore default settings or No to cancel.
Confirm your selection with a short press of the MENU (11)

If Yes is selected, display will show “Do you want to restore default settings?” with Yes and No dialogue options. Select Yes to restore the default settings.
Selecting the No option will cancel the reset and exit the submenu.

The following settings will be returned to their defaults before being changed by the user:

Video Recorder Mode – Video
Amplification Level – Normal
Smoothing Filter – Off
User Mode – Off
Calibration Mode – Automatic
Language – English
Microphone – Off
Wi-Fi – Off (unique password)
PiP – Off
Colour Mode – White Hot
Units of Measure – Meters
Video Compression – Off
Wi-Fi Band – 2.4 GHz
Display dimming – Off
Haptic vibro indication – On
LED indication – On
Auto shutdown if device inactive for 30 min – On

Attention! When restoring the factory defaults the date, time and user pixel map are saved.

Format

This function enables you to format the Flash memory card. All files will be deleted.

Formatting should be carried out in case of a memory card error.

Before formatting, make sure you transfer all footage to other media.

Press the MENU (11) button briefly to enter the Format .
Use the UP (10)/DOWN (12) buttons to select Yes to format the memory card or No to return to the submenu.
Press the MENU (11) button briefly to confirm your selection.

If “Yes” is selected, display will show “Do you want to format memory?” with “Yes” and “No” dialogue options. Select Yes to format the memory card.
Selecting the No option will cancel the formatting and exit the submenu.

Defective Pixel Repair

When using the device, defective (dead) pixels may appear on the microbolometer. These are bright or dark points of constant brightness that are visible on the image.

Defective pixels on the microbolometer can increase in size relative to the digital-zoom power.

Telos LRF thermal monoculars allows the user to remove any defective pixels on the display, as well as cancel removal, via the device’s firmware.

Step 1. Enter the menu to fix the defective pixels

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Defective Pixel Repair menu item.
Press briefly the MENU (11) to open the submenu.
Select the Defective Pixel Repair option by briefly pressing the MENU (11) button.

Step 2. Select the defective pixel

A marker (H) appears on the left side of the display.
On the right side of the display appears a “magnifying glass” (G) – a magnified image in the frame with a fixed cross [fixed-cross], designed for easier detection of a defective pixel and to match the pixel with the marker, and horizontal and vertical arrows for X and Y axes (I) showing the marker’s movement.
With a short press of the UP (10)/DOWN (12) buttons move the marker to align it with a defective pixel.
Switch the direction of the marker from horizontal to vertical and vice versa with a short press of the MENU (11) button.
Align the defective pixel with the fixed cross in the frame – the pixel should disappear.

Step 3. Remove the defective pixel

Delete the defective pixel with a short press of the ON/OFF (9).
Once the pixel has been successfully deleted an “OK” message will briefly appear on the screen.
You can then delete another defective pixel by moving the marker across the display.
Exit the Defective Pixel Repair submenu with a long press of the MENU (11).

Warning! The display of a thermal imager may have 1- 2 pixels represented as bright white or coloured (blue, red) dots which cannot be deleted and are not a defect.

Restore Default Pixel Map

This option allows the user to return all previously disabled defective pixels to their original state.

Press and hold the MENU (11) button to enter the main menu.
Use the UP (10)/DOWN (12) buttons to select the Defective Pixel Repair icon.
Press the MENU (11) button to enter the submenu.
Use the UP (10)/DOWN (12) buttons to select the Restore Default Pixel Map icon.
Activate the function by briefly pressing the MENU (11).
Using the UP (10)/DOWN (12) buttons, select Yes if you want to return to the factory pixel map and select No if you do not.
Confirm your selection with a short press of the MENU (11).

Functions

Video Recording and Photography

Telos thermal imagers are capable of video recording and photography. Videos and images are saved on the built-in memory card.

Before using this feature please set the date and time.

The built-in recorder operates in two modes – Video and Photo.

Video mode. Video recording

1. Switch to Video mode by pressing and holding the UP/REC (10) button.

2. The icon and the remaining recording time in HH:MM (Hours:Minutes) format are displayed in the upper left corner, for example 4:20.

3. Press the UP/REC (10) button briefly to start video recording.

4. When the video recording starts, the icon will disappear and the REC icon and timer in MM:SS (Minutes:Seconds) format will appear .

5. Pause and resume recording video with a short press of the UP/REC (10) button.

6. Stop recording video with a long press of the UP/REC (10) button.

7. Video files are saved to the built-in memory card after the video recording has been stopped.

8. Press and hold the UP/REC (10) button to switch between the Video and Photo modes (Video-> Photo-> Video…).

Photo Mode. Capturing an image

1. Switch to the Photo mode by pressing and holding the UP/REC (10) button.

2. Press the UP/REC (10) button briefly to take a photo. The icon flashes – the photo file is being saved to the built-in SD card.

Notes:

You can enter and operate the menu during video recording.
Recorded videos and photos are saved to the internal memory card in the format img_xxx.jpg (photos), video_xxx.mp4 (videos).
Videos are recorded in clips with a maximum duration of 5 minutes. The number of recorded files is limited by the capacity of unit’s internal memory and video compression ratio.
Regularly check the free capacity of the internal memory and move recorded footage to other storage media to free up space on the internal memory card.
In case of a memory card error, you can use the format function in the General Settings section of the main menu.
When the Display Off function is activated, video recording continues to run in the background.

Digital Zoom

The functionality of the device makes it possible to smoothly increase the base magnification of the device using the adjustment ring (3), as well as return to the base magnification

To increase the digital zoom, turn the adjustment ring (3) clockwise.
To decrease the digital zoom, turn the adjustment ring (3) counterclockwise.

PiP Function

The PiP (Picture-in-Picture) function allows you to see both the main image and a magnified image in a dedicated window.

To turn on and off the PiP function see the PiP Mode section.
Rotate the adjustment ring (3) to change the magnification ratio in the PiP
The zoomed image is displayed in a dedicated window, while the image in the rest of the screen is displayed at base magnification (2.5x).
When the PiP is turned on you can control both the discrete and smooth digital zoom. In this case the zoom value changes only take place in the dedicated window.
When the PiP function is turned off, the screen will display at the magnification that was set in PiP mode.

Display-Off Function

This function darkens the screen, which aids the user’s concealment. However, the device stays on.

When this function is in use, the device switches to the standby mode, which allows it to be switched on instantly.

When the device is on, press and hold the ON/OFF (9) button. The display will turn off, the current time and the “Display off” icon will appear.
Turn the display back on with a short press of the ON/OFF (9) button.
When you press and hold the ON/OFF (9) button, the display shows the “Display off” icon with a countdown. Pressing & holding the button down for the duration of the countdown will power the device off completely.

Wi-Fi Function

The device has a function enabling wireless communication with external devices (smartphone or tablet) via Wi-Fi.

Turn on the wireless module in the WI-Fi Activation menu option.

Wi-Fi is displayed in the status bar as follows:

Indication on the status bar	Connection Status
	Wi-Fi is switched off
	Wi-Fi connection is in progress
	Wi-Fi is switched on, no connection with device
	Wi-Fi is switched on, device connected

The device is recognized by an external device as TELOS_XXXX where XXXX are the four last digits of the serial number.
After entering the password on a mobile device (see Password Setup subsection of the Wi-Fi Settings section for more information on setting a password) and setting up a connection, the icon in the status bar will change to .
The Wi-Fi function will turn off automatically if there is not enough battery power for Wi-Fi. To use the Wi-Fi function again, you need to charge the battery.

Stadiametric Rangefinder

Telos thermal imagers are equipped with a stadiametric rangefinder which allows the user to determine the approximate distance to an object of a known size with reasonable accuracy.

To select the Stadiametric Rangefinder function, enter the Quick Menu by briefly pressing the MENU (11) button.
Press the MENU (11) button briefly to select the icon .
You will see on the display: measurement bars, icons of three reference objects and respective distances for the three objects.
Position the lower fixed bar under the object being ranged.
By pressing the UP (10)/DOWN (12) buttons, move the upper horizontal bar relative to the lower fixed bar until the object fits entirely between the two bars. The distance to the object is automatically recalculated as you move the upper line.
Exit the rangefinder mode with a long press of the MENU (11) button or wait 10 seconds to exit automatically.

Notes:

There are three predefined values for the reference objects: Hare – 0.3 m height, Boar – 0.7 m height, Deer – 1.7 m height.
Before it appears on the display, a measured distance value is rounded up to 5m for larger values and rounded down to 1m for smaller values.
To select the unit of measurement (Meters or Yards), go to the General Settings menu item => Units of Measure submenu.

Installing the Device on a Tripod

Screw the tripod mounting plate into the socket (4) as far as it will go.
Mount the Telos device with mounting plate on the tripod.

USB Connection

Connect one end of the USB cable to the USB Type-C port (16) of your device and the other end to the USB port of your PC / laptop using a USB Type-A adapter.
Turn the device on with a short press of the ON/OFF (9) button (a device that has been turned off cannot be detected by your computer).
Your device will be detected by the computer automatically; no drivers need to be installed.
Two connection modes will appear on the display: Power and Memory Card (external storage device).
Select the connection mode with the UP (10)/DOWN (12) buttons.
Confirm the selection with a short press of the MENU (11) button.

Power

In this mode, a PC/laptop is used as an external power supply. The status bar shows the icon . The device continues operating and all functions are available.
Battery recharge feasibility depends on your computer’s USB port.
When the USB is disconnected from the device when in the Power mode, the device keeps operating with the Battery Pack if it is available and sufficiently charged.

Memory Card (external memory)

In this mode the device is detected by the computer as a flash card. This mode is designed for work with the files saved in the device’s memory. The device’s functions are not available in this mode; the device turns off automatically.
If video recording was in progress when the connection was made, recording stops and the video is saved.
If the device is in Memory Card mode and is disconnected from USB, the device will remain on.

Software

Maintenance

Troubleshooting

For technical support please contact [email protected].

Answers to frequently asked questions about the devices can also be found in the FAQ section.

The device does not turn on

Possible cause

Battery Pack is discharged.

Solution

Charge the Battery Pack.

Device malfunction

Solution

In case of any malfunctions during operation, try resetting the device by long pressing the ON/OFF button for 10 seconds.

The device does not operate from an external power source

Possible cause

The USB cable is damaged.

Solution

Replace the USB cable.

Possible cause

The external power supply is discharged.

Solution

Charge the external power supply (if necessary).

The image is blurry, with vertical stripes or an uneven background

Possible cause

Calibration is required.

Solution

Perform the calibration according to Calibration Mode section.

Black screen after calibration

Solution

If the image does not clear after calibration, you need to recalibrate.

When the device is turned on, the calibration frequency is at first higher, then decreases (if the automatic calibration mode is enabled)

Possible cause

After turning on the device, it takes some time for the sensor temperature to stabilize. This is normal and is not a defect.

Poor quality image. There is noise or ghost images of previous scenes or objects

Possible cause

Manual calibration has been performed with the lens cover open.

Solution

Check the Calibration Mode, close the lens cover and calibrate the device.

The image is too dark

Possible cause

Brightness or contrast level is too low.

Solution

Adjust the brightness or contrast level in the Quick Menu.

Colour bars appear on the display or the image disappears

Possible cause

The device was exposed to static electricity during operation.

Solution

After exposure to static electricity, the device may either reboot automatically or require turning off and on again.

The image of the object being observed is missing

Possible cause

The object is behind glass, which obstructs thermal vision.

Solution

Remove the glass.

Poor image quality / Detection range reduced

Possible cause

These problems may occur during observation in adverse weather conditions (snow, rain, fog, etc.).

Smartphone or tablet PC cannot be connected to the device

Possible cause

Device password has been changed.

Solution

Delete the network and connect again using the password saved in the device.

Possible cause

The device is in an area with too many Wi-Fi networks that may be causing signal interference.

Solution

To ensure a stable Wi-Fi connection, relocate the device to an area with fewer or no Wi-Fi networks.

Possible cause

The device has a 5 GHz network enabled, but the smartphone only supports 2.4 GHz.

Solution

Switch the device’s Wi-Fi bandwidth to 2.4 GHz.

Wi-Fi signal is missing or interrupted

Possible cause

Smartphone or tablet is out of range of a strong Wi-Fi signal. There are obstacles between the device and the smartphone or tablet (e.g., concrete walls).

Solution

Relocate smartphone or tablet into the Wi-Fi signal line of sight.

The image quality during the device operation at below zero temperatures is worse than at positive temperatures

Possible cause

In warm climates, objects in the background of a thermal image heat up differently because of thermal conductivity, generating a high temperature contrast and a sharper thermal image.

In cold climates, objects in the background of a thermal image will cool down to roughly the same temperature, which leads to a greatly reduced temperature contrast and a degraded image quality. This is normal for all thermal imaging devices.

Legal Compliances and Disclaimers

Attention! A license is required for Telos Thermal Imager when exporting outside your country.

Electromagnetic compatibility. This product complies with the requirements of European standard EN 55032: 2015, Class A.

Caution! Operation of this equipment in a residential environment could cause radio interference.

Updates of the Product. The manufacturer reserves the right at any time, without mandatory prior notice to the Customer, to make changes to the package contents (subject to the applicable laws, if any), design and characteristics that do not impair the quality of the Product.

Repair. Repair of the product is available within 5 years after purchase of the product.

Limitation of Liability. Subject to mandatory applicable laws and regulations: manufacturer will not be liable for any claims, actions, suits, proceedings, costs, expenses, damages or liabilities (if any), arising out of the use of this product. Operation and use of the product are the sole responsibility of the Customer. Manufacturer’s sole undertaking is limited to providing the product(s) and related services in accordance with the terms and conditions of concluded transactions, including provisions established in warranty. The provision of products sold and services performed by Manufacturer to the Customer shall not be interpreted, construed, or regarded, either expressly or implied, as being for the benefit of or creating any obligation toward any third party (other than Distributor, Dealer, Buyer). Manufacturer’s liability hereunder for damages, regardless of the form or action, shall not exceed the fees or other charges paid to Manufacturer for the product(s) and/or service(s).

MANUFACTURER WILL NOT BE LIABLE FOR LOST REVENUES OR INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, EVEN IF THE MANUFACTURER KNEW OR SHOULD HAVE KNOWN THAT SUCH DAMAGES WERE POSSIBLE AND EVEN IF DIRECT DAMAGES DO NOT SATISFY A REMEDY.