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Dolby Laboratories CP750 User Manual
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Dolby
CP750 Digital
Cinema Processor
Manual
Issue 5
Part Number 91
10270
®
2
Table of Contents
Default Chapter
7
Table of Contents
7
Chapter 1 Introduction
13
About this Manual
14
CP750 Front Panel
14
Figure 1-1 CP750 Front Panel
14
Front-Panel Menu Navigation Buttons
15
Front-Panel Status Display
15
Figure 1-2 Front-Panel Display
16
Main Fader Knob
16
Mute Button
16
Digital Input Selection Buttons
17
Figure 1-3 Fader Characteristic
17
Table 1-1 Digital Input Selection Button Functionality
17
USB Port
17
Valid Input Leds
17
Analog Inputs
18
CP750 Rear Panel
18
Figure 1-4 CP750 Rear Panel
18
Table 1-2 Analog Input Options
18
4Xaes in Connector
19
AC Input
19
Backup Power Port
19
Ethernet Port
19
Remote Connector
19
RS-232 Serial Port
19
AES in Connectors
20
Automation Connector
20
Aux out Connectors
20
Nonsync Input Connector
20
Opt in Connector
20
H/I out Connector
21
Main Audio Output Connector
21
MIC. Gain
21
MIC. Input
21
Multi-Channel Analog Input Connector
21
Questions or Feedback
21
Chapter 2 Installation
23
CP750 Floating Signal Grounds
23
Digital Audio Inputs
23
Consumer Interface Standards for Digital Audio
24
Cable Issues
24
Multiple Sources: Conversion between Interface Standards
24
Table 2-1 Examples of Available Balanced/Unbalanced Adapters
24
Mounting the CP750
25
Connections
25
Fuse Information
25
Figure 2-1 Star Washers and Rack-Mounting Screws
25
Mains Power Wiring
26
Cable Diagram
26
Figure 2-2 CP750 Inputs and Outputs
27
Chapter 3 Installing, Launching, and Connecting the Setup Software
29
System Requirements
29
Installing the Software
29
Figure 3-1 Installer Welcome Screen
29
Connecting the Hardware
30
Launching the Setup Application
30
Connecting to a Local or Remote Device
30
Figure 3-2 Running the Installer Without Administrator Privileges
30
Figure 3-3 Action Menu
31
Chapter 4 Configuring the CP750 Software
33
Using the Application Tabs to Configure a CP750
33
Profile Tab
33
Network/Time Tab
34
Figure 4-1 Profile Tab
34
Figure 4-2 Network/Time Tab
35
General Settings
36
Figure 4-3 General Settings Tab
36
Input Settings
37
Digital Input 1
37
Figure 4-4 Digital Input 1 Tab
38
Digital Inputs 2, 3, and 4
40
Figure 4-5 Digital Input 2 Tab
40
Analog Input
41
Nonsync Input
41
Figure 4-6 Analog Input Tab
41
MIC Input
42
Figure 4-7 Nonsync Input Tab
42
Saving Settings in a Configuration File
43
Loading a Saved Configuration File
43
Figure 4-8 MIC Input Tab
43
Figure 4-9 Selecting Save in the File Menu
43
Using Expert View
44
Updating the CP750 Firmware
44
Figure 4-10 Selecting Open in the File Menu
44
Figure 4-11 Expert View Window
44
Figure 4-12 Dolby Software Update Screen
45
Chapter 5 Playing Dolby Surround 7.1 Audio
47
Required Software
47
Cable Connections
47
Connecting a DSP100 to a CP750
48
Figure 5-1 DSP100 Rear Panel with Cable Connections
48
Table 5-1 DSP100 Output Connector Pinout
48
Connecting a DSS200 to a CP750
49
Manually Change the Audio Output of the DSP100
49
Figure 5-2 DSS200 Rear Panel with Cable Connections
49
Table 5-2 DSS200 Audio Output Pinout
49
Update Surround Speaker Wiring
50
HI and VI-N Channels
50
Using the Correct Decode Mode
50
Managing Decode Mode Switches with V.4.2.0 Software
51
Managing Decode Mode Switches with Prior Software
51
Using Software to Configure the CP750 for Dolby Surround 7.1
51
Calibration and Alignment
51
Setting the Decode Mode of the CP750
52
Manually Configuring the CP750 for Dolby Surround 7.1
52
Figure 5-3 CP750 Front-Panel Menu Button
52
Serial and Ethernet
53
Figure 5-4 Confirm Button
53
Figure 5-5 Dolby 7.1 Decode Mode
53
Table 5-3 ASCII String Commands
53
Chapter 6 Aligning the Auditorium
55
Checking Theatre Equipment
55
Speakers
55
Amplifiers
56
Air Conditioning
56
Microphone Placement
56
Figure 6-1 Microphone Placement for Equalization
56
Initial Setup
57
Calibrating the Internal SPL Meter
58
Figure 6-2 Alignment Tab Showing Room Levels
58
Initial Output-Level Adjustment
59
Setting Main Channel Levels
59
Subwoofer Levels
60
Figure 6-3 Channel Tune Tab Showing the Center Channel
60
Room Equalization
61
Figure 6-4 Channel Tune Tab Showing LFE EQ
61
Adjusting LFE Channel EQ
62
Making Fine Adjustments to Individual Bands
62
Setting Bulk EQ
62
Using EQ Assist
62
Final Output-Level Calibration
63
Main Channels
63
Subwoofer Channel Level
63
Subwoofer Speaker Polarity Check
64
Final Sound Check
64
Nonsync Level Adjustment
64
Noise Floor Optimization
65
Chapter 7 Remote Control and Monitoring
67
Status Monitoring and Level Control in the Setup Software
67
ASCII Control
67
Connections
67
Figure 7-1 Virtual Status Monitor
67
Command Syntax
68
Command Set
68
Table 7-1 Normal Commands
68
Snmp
71
Table 7-2 Supported MIB-2 MIBS
71
Table 7-3 Other Standard Mibs
71
Table 7-4 V3 MIBS
71
Chapter 8 Technical Reference
73
CP750 Specifications
73
Audio Inputs
73
Audio Outputs
73
Other Input/Output
74
Audio Processing
75
Other Parameters
75
Optional Accessories Ordered Separately
76
Power Requirements
76
Construction
76
Dimensions and Weight
76
PC Connection
76
Input Selector Buttons
76
Indicators
76
Environmental Conditions
76
Regulatory Notices
77
Rear-Panel Connector Descriptions and Types
77
Backup Power Connector
77
Figure 8-1 Backup Power Connector Detail
77
Table 8-1 Rear-Panel Connector Descriptions and Types
77
RS-232 Serial Port
78
Remote Fader Connector
78
Figure 8-2 Cat. No. 868 Remote Fader Connector Detail
78
Table 8-2 Backup Power Connector Pinout
78
Table 8-3 Serial Port Pinout
78
Table 8-4 Remote Fader Connector Pinout
78
4Xaes in Connector
79
Automation Connector
79
Table 8-5 4Xaes in Connector Pinout
79
Table 8-6 Automation Connector Pinout
79
MIC. Input Connector
80
Figure 8-3 MIC. Input Connector Detail
80
Table 8-7 MIC. Input Connector Pinout
80
Main Audio Output Connector
81
Multichannel Input Connector
81
Table 8-8 Main Audio Output Connector Pinout
81
Table 8-9 Multichannel Audio Input Connector Pinout
81
RS-232 ASCII String Commands
83
Remote Commands and Control
83
Serial
83
Table 8-10 ASCII String Commands
83
Ethernet
84
Chapter 9 Replacement Parts
85
Available Replacement Parts
85
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Dolby Laboratories CP750 Specifications
General
Brand
Dolby Laboratories
Model
CP750
Category
Computer Hardware
Language
English
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