Barco Athena, Installation Manual

Page: 110 / 184

R5906790 /04 Athena 110
F
1
2
3
Image 11-19
6. Zoom the lens for minimum image on the screen ( TELE ) and focus the center of the projected image using the
motorized focus control (Local Keypad).
F
FOCUS
Image 11-20
7. Is it possible to focus the center of the projected image using the motorized focus control (Local Keypad) ?
Ensure that the lens is zoomed for minimum image on the screen (
TELE ).
► If yes, no further adjustment actions required. Proceed with step 8.
► If no, obtain the best possible focus in the center of the projected image using the motorized focus control
and then turn the three Scheimpflug adjustment nuts, reference 1, 2 and 3 Image 11-21, equally in or out until
the center of the projected image is sharp.
Note : the same turning direction as in step 4 is applicable.
F
1
2
3
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 106.
► If no, Scheimpflug adjustment is required. See procedure “ Scheimpflug adjustment ” , page 103, 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