User`s manual

Dolby

CP650 Digital Cinema Processor User’s Manual Operating Instructions

2-10

Auto Digital Target

>Format 10

Dolby Digital

Rotating Noise

Press OK to

Start or Stop

CAUTION

Pressing OK will play

pink noise in the

auditoriu

Rotating Noise

Press OK to

Start or Stop

Runnin

2.2.6 Setting the Auto Dolby Digital Target

This menu item allows you to select which format button will activate when a Dolby

Digital film is detected automatically. If you have assigned the Dolby Digital format

to multiple buttons, choose the button you wish to use.

1. Press multiple times, or press and hold the button while

rotating the front-panel knob to move to the Auto Digital

Target screen.

2. Rotate the fader knob to select among the format buttons that

have Dolby Digital assigned to them.

3. Press OK to save the change.

4. Press the illuminated format button to return to normal operation.

2.2.7 Quick Sound Check—Rotating Pink Noise

Use the rotating pink noise function as a fast method to check the overall sound

quality in your theatre.

1. Press multiple times, or press and hold the button while

rotating the front-panel knob to move to the Rotating Noise

screen.

2. A warning message appears. Press OK to start the pink noise.

Pink noise is sent to each channel in turn, holding for five

seconds at each channel. The channel currently running pink

noise is shown on the bottom right-hand side of the display.

Pressing

OK stops the pink noise from moving to the next channel. Pressing OK again

resumes pink-noise rotation.

3. Go to the auditorium and sit two-thirds of the distance from the front speakers to the

rear, and at the center from side to side. All channels should sound equally loud and

have a similar sound as the noise rotates. Call your service engineer if you hear a

problem.

4. Press the illuminated format button to return to normal operation.