Newcon Optik nvs 10mg ユーザーズマニュアル

16 

There is no 
luminescence of 
image intensifier 
screen 
 

Power supply is 
discharged 
 

Check the battery 
charge with battery 
control module. 
Replace or recharge 
the battery if 
needed. 

Area image is 
blurred and faint 
 

The optics is dirty or 
covered with moisture 
 

Wipe the eyepiece 
and objective 
surfaces with 
napkin. 

Black spots of 
faults and 
damages, 
impeding the 
confident sight 
work, appeared 
in the field of 
view  

Image intensifier is 
damaged by aiming at 
light source or turning 
the unit on in a 
daytime 
 

Send the unit to an 
authorized service 
centre 
 

There is no 
aiming marks 
fluorescence, 
when hand wheel 
“…” is set on the 
maximum 
brightness and 
the ON/OFF 
switch is in the 
position ON 

1 The power supply is 
discharged 
2 Emissive diode VD1 
is defective (figure 1) 

1 Check the battery 
charge with battery 
control module. 
Replace or recharge 
the battery if 
needed. 
2 Send the unit to 
an authorized 
service centre