InfiRay FINDER FH35R User manual

FINDER
FH35R V2
User Manual V1.0
Thermal Imaging
Monocular
EN

1
Important Safety Information
Environmental influences
lWARNING! Never point the lens of the device directly at
intense heat sources such as the sun or laser equipment.
The objective lens and eyepiece can function as a burning
glass and damage the interior components.
lAvoid touching the metal surface (cooling fins) after exposure
to sunlight or cold.
Ergonomics notes
Take breaks after longer periods of use to avoid wrist pain.
Risk of swallowing
Caution: Do not place this device in the hands of small
children. Incorrect handling can cause small parts to come
loose which may be swallowed.
Safety instructions for use
lHandle the device with care: rough handling can damage the
battery pack.
lDo not expose the device to fire or high temperatures.
lThe battery capacity decreases when operated in a cold
ambient temperature. This is not a fault and occurs for
technical reasons.
lThe recommended temperature for using this product is -20°
to +50°. Otherwise, it will affect the service life of the product.
lDo not store the device for long periods at temperatures
below 20°C or above 50°C. Otherwise, it will permanently
reduce the capacity of the battery.

2
lAlways store the device in a dry, well-ventilated space. For
prolonged storage, remove the battery pack.
lIf the device or the power unit has been damaged, send the
device to our after-sales service for repair.
lBefore using this product in an environment with water,
ensure that the Type C cover is tightly covered.
Safety instructions for the power supply unit
lOnly use the battery charger to charge the battery pack
included in the package.
lCheck the power supply unit, cable and adapter for visible
damage before use.
lDo not expose the battery pack to high temperature or open
flame. Do not use the power unit in wet or humid
environments.
lDo not charge the battery immediately after you bring it from
the cold to the warm. Wait 30 to 40 minutes for it to warm up.
lDo not use the charger if it is modified or damaged. Do not
make any technical modifications to the power unit.
lDo not disassemble or modify the battery pack or charger
without professional instructions. Do not knock or drop the
battery pack.
lOnly charge the battery pack at a temperature range of 0°C ~
+45°C. Otherwise the battery life will be significantly reduced.
lWhen charging, please don't leave the battery unattended.
lDo not charge the battery for more than 24 hours after it is
already fully charged.
lBefore a long storage time, the battery pack should be
partially charged, not fully charged or discharged.

lThe battery pack has short circuit protection. But situations
that may lead to short circuits should be avoided.
lPlease keep the battery pack out of the reach of children.
Disposal of batteries
Directive 2006/66/EC (battery directive): This
product contains a battery that cannot be
disposed of as unsorted municipal waste in
the European Union. See the product
documentation for specific battery
information. The battery is marked with this symbol, which may
include lettering to indicate cadmium (Cd), lead (Pb), or
mercury (Hg). For proper recycling, return the battery to your
supplier or to a designated collection point. For more
information see: www.recyclethis.info.
User information on the disposal of electrical and
electronic devices (private households)
2012/19/EU (WEEE directive): Products
marked with this symbol cannot be disposed
of as unsorted municipal waste in the
European Union. For proper recycling, return
this product to your local supplier upon the
purchase of equivalent new equipment, or
dispose of it at designated collection points. For more
information see: www.recyclethis.info.
For business customers within the European Union
Please contact your dealer or supplier regarding the disposal of
electrical and electronic devices. He will provide you with
3

further information.
Information on disposal in other countries outside of the
European Union
This symbol is only applicable in the European Union. Please
contact your local authority or dealer if you wish to dispose of
this product and ask for a disposal option.
Intended use
The device is intended for displaying heat signatures during
nature observation, remote hunting observations and for civil
use. This device is not a toy for children.
Use the device only as described in this operating manual. The
manufacturer and the dealer accept no liability for damages
which arise due to non-intended or incorrect use.
Function test
lBefore use, please ensure that your device has no visible
damage.
lTest to see if the device displays a clear, undisturbed image.
lCheck that the settings for the device are correct.
Installing/removing the battery
The Finder series thermal imaging monocular is equipped with
a battery pack. The Battery Pack can be moved and charged,
referring to the section Battery Pack for details.
Observation with and without glasses
Thanks to the flexible eye-shade, the Finder series can be used
with or without glasses. It offers a full field of view in both cases.
4

5
ENGLISH
Specifications
* Actual operation time depends on the intensity of Wi-Fi use and
the built-in video recorder.
Model
FH35R V2
Microbolometer
Resolution, pixels
640 × 512
Pixel size, μm
12
NETD, mk
≤ 20
Frame refresh rate, Hz
50
Optical Specifications
Objective Lens, mm
35 / F0.9
Field of view, degree
12.6 × 10.1
Optical magnification, x
2 ~ 8
Digital zoom, x
1 / 1.5 / 2 / 2.5 / 3 / 3.5 / 4
Minimum focusing distance, m
1
Diopter, D
-5 ~ +5
Detection range, m
(Target size: 1.7mx0.5m, P(n)=99%)
1818
Display
Type
OLED
Resolution, pixels
1024 × 768
Operational Specifications
Battery type
Li-ion battery pack
Max. battery life (t=25°C)*, h
5.5
Laser rangefinder range, m
800 ±1
Memory capacity, GB
32
Wi-Fi / APP
Support (InfiRay Outdoor)
Dimension, mm
160 × 90 × 50
Weight, g
≤ 400

6
Package Contents
lFinder Series Thermal Imaging Monocular
lPortable Bag
lType C USB cable
lHDMI cable
lPower adapter
lIBP-2 battery pack × 2
lIBC-2 battery charger
lHand strap
lNeck strap
lLens cloth
lUser manual
* Improvements may be made to the design and software to
enhance its useful features without prior notice of the users.
Description
The Finder series are easy to carry and can be operated with
one hand. With its compact size and light weight, it can be
placed in the pocket any time. The built-in laser ranging can
quickly locate the target distance. The ergonomic construction
and powerful function make the Finder the best choice for
outdoor exploration.
Features
l12μm thermal imaging detector
lHigh image quality

lIntegratedlaserrangefinder
lDisplay off function
lOLED display
lLongdetectiondistance
lUltraclear mode for harsh weather conditions
lCool hue and warm hue for selection
l32GB Build-in memory
lSupport photo and video recording
lSupport APP connection via Wi-Fi
lBuilt-in digital compass and motion sensor
lReplaceable Battery Pack
lConvenient user interface
Components and Controls
1. Lens cap
2. Lens focus ring
3. Power button
4. Menu button
5. Up / Ranging button
6. Down / Photo button
7. Laser rangefinder
8. IBP-2 battery pack
9. Eyepiece
10. Infrared sensors switch
11.Diopter adjustment
12. LED indicator
13. Type C port
14. HDMI port
9
10 11
13 14
12
1
2
4
3
56
7
8
7
ENGLISH

8
Battery Pack
Finder series thermal imaging monocular is supplied with a
quickly removable 18650 Li-ion battery pack, which enabled
the device to be used for up to 6h. The battery should be fully
charged before first use.
Battery Pack Installation
lTurn up the puller (15) on the battery pack (8), and align the
orange line (D) on the battery pack (8) with the triangle
symbol (C) on the battery slot (16) and push the battery pack
(8) into the battery slot (16).
lWhen the battery pack is completely inserted into the battery
slot, turn the puller (15) clockwise to lock the battery pack.
lClose the puller (15), and the battery pack is completely
installed.
lFinder can only be powered by this battery pack. If other
battery packs are used, it may cause irreparable loss,
damage to the device, and can even possibly cause fire.
Method 1: Charging with Type-C Port
lWhen the battery pack is installed into the battery slot of the
D
C
8
Battery Pack
16 Battery Slot
15 Puller

Finder series, connect the Type C end of the data cable (18)
to the Type C port (13) of the product.
lConnect the other end of the data cable (18) to the power
adapter (19) that comes with the product, or connect to
another USB power socket with a rated output voltage not
exceeding 5V.
lPlug the adapter (19) into a 100-240V power socket (20) for
charging.
lWhen charging, the LED indicator (12) will change to red.
Unplug the cable when the LED indicator changes to green.
LED indicator displaying the current status of the device
LED Color
LED Status
OperatingMode
●
Normal
Fully charged
Flashing
Standby
●
Normal
Charging
Flashing
Less than 10% battery level
9
USB Cable
18
100-240V
Socket
20
Power Adapter
19
13 Type C Port
12 LED
Indicator

10
Method 2: Charging with Battery Charger
lAlign the positioning block (A) of the battery pack (8) with
the groove (B) of the battery charger (15), and insert the
battery pack (8) into the battery charger (15).
lConnect the plug of the USB Type-C cable (18) to the USB
connector of the power adapter (19). Plug the power adapter
(19) into a socket 100-240V (20) (110V for US).
lConnect the other end of the USB cable (18) to the Type-C
port (16) of the battery charger (15).
lAfter finishing the above steps, the LED indicator (17) on the
battery charger (15) will display the battery charge state.
lAfter the battery is fully charged, remove the battery pack
from the battery charger.
100-240V
LED Indicator
Battery
Charger
16 Power
Adapter
Socket
Type C
Port
17
19
20
USB Cable
18
15
B
A
A
B
8Battery
Pack

LED Indicator
Battery charge status
Battery level is from 1% to 25%.
Battery level is from 25% to 50%.
Battery level is from 50% to 75%.
Battery level is from 75% to 99%.
Battery is fully charged.
Battery charge status (see table)
Note: Two batteries can be charged at the same time: the
second slot is designed for it.
Safety Measures
lOnly use the battery charger to charge the battery pack
included in the package.
lCheck the power supply unit, cable and adapter for visible
damage before use.
lDo not expose the battery pack to high temperature or open
flame. Do not use the power unit in wet or humid
environments.
lDo not charge the battery immediately after you bring it from
the cold to the warm. Wait 30 to 40 minutes for it to warm up.
lDo not use the charger if it is modified or damaged. Do not
make any technical modifications to the power unit.
lDo not disassemble or modify the battery pack or charger
without professional instructions. Do not knock or drop the
battery pack.
lOnly charge the battery pack at a temperature range of 0°C ~
+45°C. Otherwise the battery life will be significantly reduced.
lWhen charging, please don't leave the battery unattended.
11

12
lIt is not recommended to connect third-party devices that
consume more power than allowed.
lDo not charge the battery for more than 24 hours after it is
already fully charged.
lBefore a long storage time, the battery pack should be
partially charged, not fully charged or discharged.
lThe battery pack has short circuit protection. But situations
that may lead to short circuits should be avoided.
lPlease keep the battery pack out of the reach of children.
External Power Supply
Finder series supports external power supply, such as the
portable power source (5V).
lConnect the external power supply to the Type-C port (13)
of the device.
lThe device will automatically switch to the external power
supply and charge the battery pack (8) at the same time.
lAt this time, the battery icon on the display will become to the
charging icon and the power indicator will turn red, and
then turn green after the battery is fully charged.
lIf an external power supply is connected, but no battery pack
is installed, the battery icon will become a USB icon and
the power indicator will turn green.
lWhen the external power supply is disconnected, Finder
series will automatically switch to the battery pack power
supply and will not power off.

Button Operations
Button
Current status
First short press
Next short press
Long press
Power
button
The device is off.
--
–
Power on device
Home screen
Standby the device
Wake up the device
Power off device
Defective pixels
calibration interface
Calibrate a defective
pixel
Undo the pixel
calibration
Undo all calibrations of
this operation
Shortcut menu / Main menu
Return to the home screen
Standby the device
--
Laser rangefinder
Turn off the laser
rangefinder function
Standby the device
Power off device
Menu
button
Home screen
Open shortcut menu 1
Open shortcut menu 2
Open the main menu
Shortcut menu 1
Open shortcut menu 2
Exit the shortcut menu
--
Shortcut menu 2
Exit the shortcut menu
Open shortcut menu 1
--
Main menu
Switch the parameters / Enter the submenu
Exit menu option / main menu
Defective pixels
calibration interface
Switch movement direction of the cursor
Save and exit calibration
13

14
Button
Current status
Short press
Long press
Up /
Ranging
button
Home screen
Turn on the laser rangefinder function
--
Single ranging mode
Make a single ranging
Switch the ranging mode
Shortcut menu 1
Adjust E-zoom
--
Shortcut menu 2
Adjust display brightness
--
Main menu
Toggle menu options up
--
Defective pixels
calibration interface
Move up / right slowly
Move up / right quickly
Down /
Photo
button
Home screen
Take a photo
Start video recording
Video recording
Take a photo
Stop and save video recording
Shortcut menu 1
Image mode adjustment
--
Shortcut menu 2
Adjust image contrast
--
Main menu
Toggle menu options down
--
Defective pixels
calibration interface
Move down / left slowly
Move down / left quickly
Up + Down
Home screen
Shutter correction
Background correction

Icon Descriptions
White Hot
Black Hot
Red Hot
Target Highlight
Ironbow
Rainbow
×1/×1.5/×2/×2.5/×3/×3.5/×4
Digital zoom
Display brightness
Image sharpness
Automatic calibration
Manual calibration
Ultraclear mode
Wi-Fi
Video out
PIP
Digital compass
Motion sensor
Auto display off
Micphone
Switch unit
More
Calibration mode
Image hue
Defective pixel calibration
Compass calibration
A
M
Out
MY
15

Time and date
System information
Factory reset
Return to the main menu
Single ranging
Continuous ranging
Battery indication
Battery charging
Operation
Power on and image adjustment
lRemove the lens cap (1). Press and hold the Power button
(3) for 2s to power on the device. Then, the home screen
appears after 10s.
lRotate the eyepiece diopter adjustment (11) to adjust the
resolution of the icons on the display. After the adjustment is
completed, for the same user, when using it again there is no
need to adjust the diopter again.
lRotate the lens focus knob (2) to focus on the object
observed.
lSet the digital zoom, image mode, screen brightness and
image sharpness with a short press of the Menu button (4)
(Refer to the Shortcut Menu section in this manual for
details).
16 ENGLISH

Shut Down
lAfter using the device, press and hold the Power button (3)
for 3 seconds. The shutdown countdown screen will appear.
lWhen the countdown from 3 to 0 is completed as indicated
by the countdown icon, the device is powered off. Then
release the button. The display is off, the indicator is off, and
the device is shut down.
Standby
lThe standby mode can let the device into a sleep state (turn
off the display screen, the main chip is standby).
lIn the home screen, press the Power (3) button briefly to
standby the device.
lPress the Power (3) button again to wake up the device.
Home Screen
When the device booted up, the home screen shows upon.
There is some general information shown on the interface.
Detail as follows:
lUpper left corner – Color palette, magnification, calibration
mode, Wi-Fi (on), Automatic screen off (on), Ultraclear mode
(on), Microphone (on)
lUpper right corner – Battery level
3
17

18
lLower left corner – Time and date
lLower right corner – Video output icon (when it is on).
The color of the battery icon represents the current battery
level. When the battery icon is shown in red, it indicates that the
battery is low. Please charge it in time.
Calibrate the Sensor
When the image is degraded or uneven, it can be improved by
calibration. Calibration enables the detector temperature
background to be equalized and defects in the image to be
eliminated.
There are two calibration modes: manual calibration (M) and
automatic calibration (A).
Select the required mode in the Main Menu.
lA mode (automatic).The device is calibrated autonomously
by the software algorithm. The lens cap need not be secured
Icon
Color
Battery level
Blue
30%-100%
Yellow
20%-30%
Red
Less than 10%
--
Charging