Allied International Home Security System User Manual
Page 25
AVT camera cleaning instructions
Hardware Installation Guide V2.0.0
25
The cotton or lens tissue should be moist, but not dripping. Please hold
the camera away from your body to avoid falling particles like flakes
from skin on the sensor. Hold the camera sensor diagonally upwards.
3.
Wipe the glass surface with a spiral motion from the centre to the rim.
Normally several spiral wipes are recommended. Wipe only on glass
avoiding contact to metal surfaces, because microscopic dirt could be
released and could cause scratches on the glass.
4.
When you've finished cleaning, examine the surface in a strong light.
Take an out-of-focus picture of a flat, illuminated surface to see if any
dirt or dust remains.
5.
If dust spots remain, repeat this procedure using new clean lens tissue
(as described above).
Figure 6: Sensor cleaning
Caution
a
•
Never wipe lenses with dry swabs or tissue - this causes
scratches.
•
Do not use any disposable cotton cosmetic swabs; they
are not free from contamination.
Figure 7: Don’t use compressed air