Barco OV-708, Руководство по установке

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Optical adjustment
Barco - OV-708/OV-713/OV-715– R59770137 – installation manual – revision 01– September 2007 ________________________________
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6.2 The projection lens for XGA systems
1 Scale for screen size adaptation, turn left for 50" systems, right for 67" systems
2 Fixation screws for screen size adaptation lock, filled with paint
3 Zoom adjustment
4 Focus adjustment
5 3 fixation screws for zoom lock
6 2 fixation screws for focus lock
- the focus ring still shows some clearance after locking. This d ue to the mechanical d esign of the
lens. Anyway, the focus is fixed.
The projection lens allows to zoom and to focus the picture. The adjusted settings can be locked by means of
fixation screws.
It is recommended to lock the lens only after the entire adjustment procedure has been
done.
After locking the focus adjustment ring and the zoom adjustment ring it mig ht be
necessary to correct again x, y shift of the picture.
Even if locked, the focus adjustment ring can be slightly turned. Do not worry! The focus
is locked anyway!