Visit: www.tester.co.uk / Call: 01642 931 329
WI-FI FUNCTION 
Your thermal imager features wireless connection option (Wi-Fi) which 
links it with external appliances (smartphone, tablet PC).
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Turn on the wireless module with a long press of the UP (10) button. 
Wi-Fi operation is shown in the status bar as follows: 
Connection status
Status bar indication
Wi-Fi is off
Wi-Fi activated by the user, 
Wi-Fi in the device is being 
activated
Wi-Fi is on, no connection with 
device
Wi-Fi is on, device connected
Your device is detected by an external device as HELION_XXXX», 
where XXXX – is the last four digits of device's serial number».
After a password is generated on an external appliance (please refer 
to  the  menu  option  “Wi-Fi  setup”  of  the  section  “Main  menu 
functions” of this user manual) and connection is established, the 
icon      in the status bar changes to          . 
Select the “Stadiametric rangefinder” function with a short press of 
the M (9) button and select icon          . 
You  will  see  on  the  display:  measurement  bars,  icons  of  three 
reference objects and respective distances for the three objects.
STADIAMETRIC RANGEFINDER
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Thermal imagers are  equipped  with  a  stadiametric  rangefinder  which 
allows the user to estimate approximate distance to an object of known 
size. 
There  are  three  pre-set  reference 
objects: 
- Hare – height 0.3 m
- Wild boar – height 0.7 m
- Deer – height 1.7 m 
160m
66m
28m
icon
icon
icon
icon
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Notes:
 - you can enter and operate the menu during video recording; 
 - recorded videos and photos are saved to the built-in memory card in 
the format  img_xxx.jpg (photos);  video_xxx.avi  (videos). xxx  – 
three-digit counter for videos and photos; 
- counter for multimedia files cannot be reset; 
Attention!
- Maximum duration of a recorded file is seven minutes. After 
this time expires a video is recorded into a new file. The number 
of  recorded  files  is  limited  by  the  capacity  of  unit's  internal 
memory.
- regularly check the free capacity of the internal memory, move 
recorded footage to other storage media to free up space on the 
internal memory card. 
Photo mode. Photography
Switch to the Photo mode with a long press of the   button. REC
Take  a  picture  with  a  short  press  of  the  REC  button.  The  image 
freezes for 0.5 sec and a photo is saved to the internal memory.
in the top left corner of the display you can see: photography icon       , 
“>100” means that you can take more than 100 pictures. If the number 
of  available  pictures  is  less  than  100,  actual  amount  of  available 
pictures (for example 98) is shown next to the icon        .  
To playback video files recorded by thermal imaging devices on iOS-
based computers, we recommend that you use VLC video player or 
Elmedia player.
Download links and QR codes are shown below:
VLC VIDEO PLAYER ELMEDIA VIDEO PLAYER
http://www.videolan.org/
vlc/download-macosx.html
https://itunes.apple.com/us/
app/elmedia-multiformat-video/
id937759555?mt=12
IMPORTANT!