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7.2 Cleaning Mirror
and Lens
Note: Mirror surfaces should only be cleaned if
necessary, as too frequent cleaning reduces the
life of the mirrors (surface silvering). Slight dust
does not visibly affect image quality.
1) Pull off the control knobs ➪ photo.
2) Remove all four screws ➪ photo with hex. socket
wrench SW3 and carefully lift off optics’ cover.
Attention!:
Ensure that BNC and S-VHS plugs are not
damaged.
3) Remove dust from mirrors 1 and 2 ➪ photo, using
lens cleaning brush and, if necessary, lens cleaning
tissue and some alcohol.
4) Push lens yoke ➪ photo to the left out of its lock and
swing away.
5) Take out lens ➪ photo. Clean front- and rear lens
with lens cleaning tissue.
6) Re-insert lens.
7) Ensure that the driver pin catches in the lens groove.
8) Swing lens yoke into position and lock.
9) Carefully reattach optic cover and fasten with four
screws.
10)Reattach control knobs.
mirror
Service and Maintenance
lens yoke
mirror
lens