Newcon Optik nvs 4 用户手册

12 

 
 The device does not work. 
 
Check that the battery is installed properly. 
Check the charge of the batteries. Replace if it is weak. 
 
The image is degraded and blurred. 
 

Clean the lens with napkin. If the inner optics suffers 

from extended humidity send the scope to the 
manufacturer for drying and sealing. 

 

Unit flashes 
 
It is normal for the unit to flash within the first 2 minutes of 
activation. If the flashing continues afterwards the following is 
a possible cause: bright environment (even with the caps 
closed!)