R5906788-03 Thor series 121
Image 11-21
8. Check if it is possible to focus the center of the projected image using the motorized focus control (Local
Keypad) for WIDE and for TELE.
► If yes, the Back Focal Length is correctly adjusted.
► If no, repeat with step 4.
9. Is the projected image in the corners as sharp as in the middle?
► If yes, proceed with the procedure “Fixation of the Lens Holder front plate”, page 116.
► If no, Scheimpflug adjustment is required. See procedure “Scheimpflug adjustment”, page 113, prior to fixate
the Lens Holder front plate. CAUTION: Skip the action, in the Scheimpflug adjustment procedure, to turn the
three Scheimpflug adjustment nuts until the front of the nut is equally aligned with the front of the threaded rod!
Scheimpflug
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