User Guide

23
Troubleshooting
The night vision ‘scope
does not switch on
Check that the batteries are correctly instal-
led. Check the performance of the batteries.
No image appears
Select your subject matter. Turn the eyepiece
adjustment to obtain a sharp image. Then turn
the lens ring to further enhance pin-sharp de-
finition. Repeat this process, if necessary.
Flashes
During the first two minutes after switching
on the scope, flashes may occur. If this flashing
continues the surrounding area may be too
bright. This can occur even with mounted lens
cap. In a dark environment this phenomena is
reduced or disappears completely.
The device fogs up
If the device is used at low temperatures and
is then suddenly exposed to a warmer am-
bient temperature, condensation may develop
on the cold surface of the device. It can take
up to 5 hours before the scope has acclimati-
zed to the ambient temperature.
The image diminishes or disappears
Excessive light (moonlight, spotlights or pro-
jectors) can lead to faulty imaging. Move the