Dolby
®
Model CP650 Installation Manual
Back Panel Connectors
B-9
Automation I/O Connector: Pins Used for Noise Gating
The table below lists the pin numbers used for the Noise Gating function. See
Section 7.13 for a description of this setup menu item. Grounding the listed pin will
send pink noise to the listed channel when the setup menu is set to Noise Gating.
Table B–12
Automation I/O Connector Pins Used for Noise Gating
Grounding This Pin:
Sends Pink Noise To:
Level
1
Left 85
dB
2
Center 85
dB
3
Right 85
dB
4
Left Surround
82 dB
5
Right Surround
82 dB
6
Subwoofer
Digital SW Level
7
All Channels
8
Back Surround (both Bsl and Bsr)
82 dB
Serial Data (RS-232) Connector
This connector “mirrors” the RS-232 connector located on the front setup panel. A
PC can be connected at either location for performing complete cinema processor
alignment using Dolby CP650 setup software.
Caution:
Only one of the two RS-232 connectors can be used at any given time.
Table B–13
Serial Data (RS-232) Connector Pinout
Pin
Connection
1 n.c.
2 Data
Out
3 Data
In
4
Connected to pin 6
5 Chassis
6
Connected to pin 4
7
Connected to pin 8
8
Connected to pin 7
9 n.c.
Ethernet Connector
For future automation use.
