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IRay Technology Co., Ltd.
Add: 11th Guiyang Street, YEDA, Yantai 264006, P.R. China
Tel: 0086-400-998-3088
Web: www.infirayoutdoor.com
Email: infirayoutdoor@infiray.com
FL25/FL25R/FH25/FH25R
FL25/FL25R/FH25/FH25R
FINDER
Thermal Imaging Monocular
Operating Manual
English/Chinese
www.infirayoutdoor.com

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Table of Contents
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Summarization of Contents

SPECIFICATION
Microbolometer
Detector resolution and pixel size details.
Optical Specifications
Lens, field of view, and zoom parameters.
Display
Screen type and resolution.
Operational Specifications
Battery, memory, and compatibility details.
UNITS AND CONTROLS
Eyepiece
The optical component for viewing the image.
Infrared sensors switch
Switch for activating infrared sensing.
Down/Photo button
Button for navigating down or taking photos.
Up/Ranging button
Button for navigating up or using rangefinder.
Menu button
Button to access the device menu.
Power button
Button to turn the device on/off.
LED indicator
Indicator light showing device status.
Lens cap
Protective cover for the lens.
Lens focus ring
Ring for adjusting lens focus.
External battery cover (FL25/FH25)
Cover for the external battery compartment.
Type C connector
Port for charging and data transfer.
Eyepiece diopter adjustment
Adjustment for eyepiece focus clarity.
Laser indicator (FL25R/FH25R)
Indicator for laser function status.
Laser rangefinder (FL25R/FH25R)
Component for measuring target distance.
OPERATION
Power on and image adjustment
Steps for powering on the device and adjusting the display.
CALIBRATING THE SENSOR
Photographing
Steps to take still images with the device.
Video Recording
Steps to start and stop video recording.
SHORTCUT MENU FUNCTION
Smooth Digital Zoom
Adjusting digital zoom from 1.0x to 4.0x.
Image Mode
Changing image display modes like White Hot, Black Hot.
Display Brightness
Adjusting screen brightness levels.
Image Sharpness
Adjusting image sharpness levels.
MAIN MENU FUNCTIONS
Ultraclear - Selection of the Ultraclear mode
Enhancing image contrast for harsh weather conditions.
Wi-Fi - Selection of the Wi-Fi function
Connecting and using the device's Wi-Fi capabilities.
Calibration Mode - Selection of calibration mode
Automatic(A)
Automatic sensor calibration via software.
Manual (M)
Manual sensor calibration performed by the user.
Wi-Fi FUNCTION
Set Wi-Fi name and password
Customizing the Wi-Fi network name and password.
TROUBLESHOOTING
Thermal imager does not power up.
Troubleshooting steps for device power issues.
Does not operate from external power source.
Solutions for problems when using external power.
Image is unclear, with vertical lines and uneven background.
Steps to resolve unclear or distorted images.
The image is too dark.
Adjusting brightness settings for a clearer image.
Colored lines appeared on display or the image has disappeared.
Addressing display issues like colored lines or blank screens.
Poor image quality/ reduced detection distance
Improving image quality in challenging conditions.
Smartphone or tablet cannot be connected to the device
Troubleshooting Wi-Fi connection problems with mobile devices.
Wi-Fi signal non existent or interrupted
Resolving issues with Wi-Fi signal strength or connectivity.
FCC STATEMENT
Labeling requirements
FCC labeling rules and conditions for device operation.
Information to user
User guidance on modifications and potential interference.
Body Operation
RF exposure requirements and body-worn accessory guidelines.

Table of Contents