DP564 Multichannel Audio Decoder Operating Modes
6-3

6.1.3 Listening

The Listening section provides the ability to emulate different listening environments
at a single touch.
Full uses all speaker outputs. The signals are routed to the speakers directly.
3 Stereo routes the Ls and Rs signals to Left and Right outputs, respectively.
Phant (Phantom Center) mutes the Center output and splits the Center signal
equally between Left and Right.

6.1.4 Compression

The options in the Compression section are available only when decoding a
Dolby Digital signal. RF and Line apply dynamic range control profiles carried in the
Dolby Digital bitstream, in the same way consumer decoders do. Custom is a scalable
application of the Line profile.
The factory setting for Custom is 0 percent. At that setting, selecting Custom turns
dynamic range compression off. To access the display screen to adjust the percentage
setting for custom scaling, hold down Custom for two seconds.
Note: When downmixing, the DP564 automatically applies enough compression at
peak moments to prevent signal overload, regardless of whether a
compression mode is selected.
For more detailed information on compression modes, see Section A.3, Dynamic
Range Control.
6.2 Hardware Remote Control
You can control the DP564 with a dedicated hardware remote control. When a GPI/O
control device is connected to the rear-panel GP I/O port, it is active, but not
exclusive—the front-panel controls also remain active.
To set up remote-control parameters, on the Unit Setup menu, select
I/O Control, then GPI/O Configuration.
If you are using the Cat. No. 549 GPIO Controller from Dolby Laboratories, connect
it and select Cat. No. 549 Config. If you have your own GPI/O control device,
connect that and select GPI/O Pin Config.
Note: Presets include all the DP564 settings, including the GPI/O configuration.
GPI/O settings should be assigned before saving a preset.