Newcon Optik STARGATE M, Operation Manual

Page: 12 / 20

9
Doing so repeatedly will damage to the activation
mechanism.
5.3. Infrared illuminator
When conditions are very dark, use the AP 12 infrared
illuminator (9). Before usage, install a battery, observing the
polarity.
5.4. Maintenance
Maintenance includes only cleaning of parts if necessary.
Clean the lens and eyepiece optical surfaces with a soft
cloth dampened with “lens cleaner” obtained from any
camera store. Clean the lens surface carefully with circular
movements starting from the center.
5.5. Boosting image brightness
After a long period of use the brightness of the screen may
decline. To regain normal brightness you should turn the
pressure adjustment screw (7) a quarter (¼) of a turn
clockwise. To reach the adjustment screw (7), first remove
the screw cover (6) and the strap, than unscrew the bushing
(8). This will expose an opening into the housing, through
which one can reach the adjustment screw.