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6. TROUBLESHOOTING
6.1 No green light through eyepieces
Check that the batteries are installed properly.
Check the charge of the batteries. Replace them if they are weak.
6.2 Image is unclear
Check if the lenses are foggy or dusty. Clean them if necessary.
If the image is still unfocused – adjust the eyepieces; see 5.5 and
5.6 for details.
6.3 Image flashes
Image may flash during the first two minutes after activation. It
may continue flashing if exposed to bright light (even with the
lens cap on!).
6.4 Condensation accumulates on the parts
When the unit is brought from the cold into a warm environment
internal condensation may appear. The unit has to be warmed up
for up to two hours to regain full operational capacity.
6.5 Visibility decreased or disappeared
Bright light sources (the Moon, projectors or headlights) may
cause visibility to degrade or even completely disappear. Move
the device away from the light source immediately. The image
will be restored within two minutes. Adverse atmospheric
conditions such as fog, haze or extremely dark environments
decrease visibility.