Dolby Laboratories CP650 Installation Manual Page 75

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Dolby
®
CP650 Installation Manual A-Chain Alignment
5-5
Manual L O O R
Level
O
P1
O
XX O O
Manual
Optical Level Adjust
Projector 1
Press OK When Ready.
Saving Changes.....
...
Manual L O O R
Level
O
P1
O
O O XX
5.3.2 Manual
1. To set Dolby level manually, press OK to return to the
Automatic Optical Level Adjust screen, then press
twice to move to Manual Optical Level Adjust for
projector 1.
2. Press OK to begin manual adjustment.
3. The number displayed on the bottom line represents the level
setting for the Left channel. The left four vertical circles
display the Left channel signal level, similar to an LED meter.
Rotate the front-panel knob until the two center circles fill
black. The adjustment range is 0–63 dB in 0.3 dB steps.
4. Press to select the Right channel and adjust in the same
manner. The number displayed on the bottom line will move
the Right channel column.
5. Press OK to save your level settings for projector 1.
6. Stop the projector, and load and run the Cat. No. 69T test film on projector 2 (if so
equipped).
7. Press
to move the menu to Manual Optical Level Adjust for projector 2,
and repeat the above procedure for the Left and Right channels.
8. Press OK to save your level settings for projector 2.
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