Visit: www.tester.co.uk / Call: 01642 931 329
TECHNICAL INSPECTION 
22
Check:
External view (there should be no cracks on the housing).
The state of the objective and eyepiece lenses (there should be no 
cracks, spot, dust, deposits etc. ).
The state of the Battery Pack (should be charged) and electric 
terminals (there should be no oxidation).
Correct functioning of the controls.
TROUBLESHOOTING
24
The table presented below lists some potential problems that may occur 
when using the device. If a problem encountered with the device is not 
listed, or if the recommended action does not resolve the problem, the 
unit should be returned for repair.
23
MAINTENANCE AND STORAGE
Maintenance should be carried out no less frequently than twice a 
year, and should consist of the following measures:
Wipe external plastic and metal surfaces clean of dust and dirt with 
a soft cloth moistened with a synthetic cleaning agent. 
Clean the electric terminals of the Battery Pack and device's 
battery slot using a grease-free organic solvent.
Check the objective and eyepiece lenses. If required, remove dust 
and sand (preferably by a noncontact method). Clean the external 
surfaces of the lenses with products expressly designed for this 
purpose.
Store the device in a carrying case. Remove the Battery Pack 
for long-term storage. 
The thermal imager 
will not turn on.
The unit does not 
operate on external 
power supply.
Battery Pack is discharged. 
USB cable is damaged.
Charge the battery.
Replace USB cable. 
Check
Corrective action
Problem
External power supply is 
discharged.
Charge the external power 
supply (if necessary). 
23
24
Connection modes:
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 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  connection  was  made, 
recording stops and video is saved. 
When USB is disconnected from the device where connection is in 
the USB Mass storage device mode, the device remains on the OFF 
state. Turn the device ON for further operation. 
Power.
In  this  mode  PC/laptop  is used as an  external  power  supply. The 
status bar shows icon          . The device continues operating and all 
functions are available. 
Note: The Battery pack installed in the device is not being charged! 
When USB is disconnected from the device when in the Power mode, 
the device keeps operating with Battery Pack, if available, and it has 
sufficient charge. 
WIRELESS REMOTE CONTROL 
(bought separately)
21
Wireless remote control (RC) duplicates the POWER ON function, digital 
zoom, video start/stop and menu navigation. 
RC controls are as follows:
ON Button (15): duplicates the functions of the ON (11) button. 
Button (16): digital zoom activation. Function PiP.
Button (17): duplicates the functions of the REC (7) button.
Controller (18): duplicates the functions of 
the М (9) button when pressed; duplicates 
the functions of the UP (10)/ DOWN (8) 
upon rotation (in quick menu/main menu).
15
16
17
18