User's Manual
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3.Press the [power key] to start up. In the power on status (after 15 seconds),
press the  [power key], internal screen  will  enter in sleep mode, press [power  key] 
again to switch on the screen, long press [power key] to shut down.
1.Eyepiece  focusing,  also  known  as  diopter  adjustment,  aim  at  enable  users
with different vision conditions can clearly see the displayed content.
2.Turn  the  focusing  wheel  until  you  can  see  the  text  or  icon  on  the  screen 
clearly.
3.
(the image 
may  not  be  clear  when  the  objective  lens  is  not  well  focused),  this  procedure  is 
done.
Eyepiece focusing
Please  note  that  the  image  is  not  clearly  visible  after  eyepiece  focusing 
adjustment, as long as the words on the display screen are clearly visible 
Objective focusing
1.Before the objective lens  focusing, please make sure you have the eyepiece
focusing (diopter adjustment) completed.
2.Focus at the target you want and adjust the focusing wheel of the objective
lens until you can see the target image sharply.
3.Generally,  the  focusing  position  of  the  objective  lens  is  placed  at  objects
located far away from you.
Non menu mode (shortcut)
After startup, without pressing the [menu key] machine is in non menu mode 
(15 seconds after startup)
1.Press [power key] to sleep / wake up the device; long press to shutdown.
4.Thermal imaging has the least focusing distance. It is normal  an  object may 
not be able to see sharply within 3 meters.
5.Objects behind glasses cannot be detected.
There  are  two  controlling  key  arrangements  at  the  thermal  imaging  device, 
which are
1: non menu mode (shortcut key mode) 
2: menu mode (enter normal setting mode)
Key and interface operation method
Eyepiece focusing wheel
Objective focusing wheel
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For the first time you use the device, follow the below steps: install the battery 
> eyepiece focusing > objective focusing.
Install the battery
1.Please use 18650 lithium ion rechargeable 3.7V battery.
2.Press  the  battery  compartment  cover  to  open,  install  the  battery  positive
electrode  towards the front  objective lens.  Put  on  the  battery  compartment  cover 
and well fasten it.
3、Installation and basic operation methods
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