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SYNTHESIS SDEC-1000
JBL SYNTHESIS SDEC-1000 - User Manual
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SYNTHESIS
SDEC-1000/2500
INST
ALLA
TION
GUIDE
2
Table of Contents
Main Page
Table of Contents
3
Important Safeguards for Audio Products
7
Introduction
11
The Concept
11
SDEC-1000 and SDEC-2500 Rear Panels
12
What the SDEC Does
13
Driver EQ
13
Figure 1: Raw Driver Response/Corrected Driver Response
13
Driver Time Correction
14
Channel-To-Channel Distance Correction (Auto-Time Correction)
15
Crossovers
15
Figure 3: Effect of Auto-Time Correction
15
Screen Correction
16
Modes
16
Room Correction EQ
16
Figure 4: Effect of Screen Correction EQ
16
Figure 5: Effect of Room EQ
17
Location, Location, Location
18
A Note on Wiring
19
Wiring Connections to the SDEC
20
Case I - Replacing an Analog Equalizer in an Existing Synthesis System
20
Case II - Installing an SDEC as Part of a New Synthesis System Installation
21
Power the System up for the First Time
22
Operational Overview
23
Stimulus
23
Data Acquisition
23
Data Post-Processing
24
Display Data
25
Make Corrections
25
Target Curves
25
Ideal Low-Frequency Response
25
Ideal High-Frequency Response
26
Figure 7: Synthesis 1 Main Target Curve, below 1Khz
26
Figure 8: Complete Synthesis 1 Target Curve
27
DACS4 Connections and Use
28
Things to Consider When Selecting a Location for DACS4
28
Hookup
29
Ac/Power Connections
29
Figure 9: DACS4 Connection to Synthesis
29
Audio Connections
30
Other Connections
30
Microphone Connection and Placement
30
Room Placement
30
How Is the Room Used
31
Microphone #1
31
Now Place the Remaining Microphones
31
Power up Synthesis and DACS4
33
Preliminary Surround Processor Settings
34
Global Settings
34
Mode Specific Settings
34
DACS4 Operation
35
Notational Conventions
35
About Online Help
35
[F-1] Help
35
Starting DACS4
35
Initial DACS4 Screen
36
Figure 11: DACS4 Opening Screen
36
Enter Customer Information
37
Figure 12: Customer Information Window
37
Synthesis Model
38
Select a Surround Processor
38
Figure 14: Select a Surround Processor
38
Center Screen Compensation
39
Left/Right Compensation
39
Figure 15: Identify Screen Type, Center Channel
39
Figure 16: Identify Screen Type, Left & Right Front
39
Confirm DACS4 Connections
40
Figure 17: DACS4 on Screen Wiring Diagram
40
DACS4 Main Screen
41
Figure 18: DACS4 Main Calibration Screen
41
Response Graph
42
Filters at a Glance
42
Figure 19: Response Graph Window
42
Figure 20: Filter Setting and Control Field
42
Individual Filter Control
43
Channel and Mode Selection/Status
43
Figure 21: Filter Control Field
43
Figure 22: Direct Channel and Mode Access
43
Overlay Previously Tested Channels
44
Online Help
44
Special Function Keys
44
Figure 23: Channel Display Control Field
44
Figure 24: Continuously Updated Online Help
44
Figure 25: Function Keys and Status Line
44
Figure 26: Channel Gain and Delay Information
45
Calibration Walk-Through
46
Figure 27: Fresh Install, First Screen
46
Auto-Time Correction
47
Figure 28: Auto-Time Correction Dialog Box
47
Cinema, Subwoofer Calibration
48
Figure 29: Ready for Subwoofer Level Test
48
Setting the Level
49
Figure 30: Setting Level
49
Figure 31: Without Smoothing Filter
49
Auto-Equalization
50
Figure 32: Results of Auto-EQ
50
Cinema, Left - Center - Right Calibration
51
Setting the Level
51
Figure 33: Left Cinema Level Set
51
Run Auto-EQ
52
Left and Right Ambient Calibration
52
Figure 34: Auto-EQ
52
Setting the Level
53
Music Mode Calibration
53
Figure 35: Ambient Target
53
Quitting DACS4
54
After a Complete Calibration
54
Quitting When some Channels Are Not Accepted
54
SDEC Maintenance
54
Using the Loader Utility
54
Troubleshooting
55
Correcting Hum Problems
55
Why Does It Hum in the First Place
55
What You Can Do During Installation
55
Video Devices
56
Specifications
57
Synthesis One Interconnection Diagram
58
Synthesis Two and Three Interconnection Diagram
60
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JBL SYNTHESIS SDEC-1000 Specifications
General
Brand
JBL
Model
SYNTHESIS SDEC-1000
Category
Stereo Equalizer
Language
English
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