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Chapter 6: VEA-6830 Video Distribution Amplifier Module Operation
52 6800/7000 Series - Distribution and Routing Products Installation and Operation Manual
Operation
A multi-turn Gain potentiometer provides adjustment over a range of
-3 to +3 dB. The gain is increased when this pot is adjusted clockwise.
Another multi-turn Equalizing potentiometer is used to adjust cable
equalization. It is adjusted clockwise to obtain more equalization.
A single-turn Response potentiometer allows fine adjustment of the
high-frequency response. However, it is factory-set/calibrated, and
readjustment
is not recommended without precise test equipment. These
three potentiometers are located at the front edge of the module.
There is no need to terminate unused outputs; however, a perfect
response can be obtained if unused outputs are terminated.
Jumper J1 sets internal 75
W termination. If removed, it makes the input
high-impedance.
Figure 6-2. Front Edge View
Figure 6-3. VEA-6830 Module Top View
Gain EQ
Response
A
B
C
D
E
F
H
J
K
L
M
N
P
R
S
P1
GAIN EQ
- 6800/7000 Series 1
- Distribution and Routing 3
- Products 3
- Audience 5
- Writing Conventions 5
- Revision History 6
- Product Manuals 7
- LogoMotion Manual 8
- Installation Information 10
- Important Safety Instructions 11
- Injury Precautions 12
- Product Damage Precautions 15
- Battery Use Warnings 17
- EMC Standards 19
- Safety Standards 20
- Contents 22
- AES-6880 AES/EBU 28
- Functional Block Diagram 29
- Equalization Adjustment 30
- Multi-turn potentiometer 31
- (Manual EQ Mode Only) 31
- Error Detection and Reporting 32
- AES-6880 33
- External Alarm 34
- Power Supply 36
- DNH-6800 DigiNet Hub Module 38
- Block Diagram Flow 39
- Maximum Unit Nodes 41
- Connections 43
- Network Configurations 44
- Mid-Size Network 45
- Large Network 46
- User Interface 47
- Overview 50
- Control Interface 52
- Switches 54
- Switch Description 55
- LED Description 55
- Jumper Description 57
- Fault Reporting Output 59
- USM-6800 PAL/NTSC Monitoring 60
- Encoder Module 60
- Features 61
- Composite Analog Outputs 63
- Component Analog Outputs 63
- Rear Connector 64
- Controls and Indicators 65
- VDA-6830 Video Distribution 70
- Operational Adjustments 73
- VEA-6830 Video 74
- Differential Gain 77
- VEA-6840 Video Equalizing 80
- Equalization 85
- SOFTHARD 88
- VPD-6830 Programmable 90
- Video DA Series 90
- VPD-6830 Series DAs 91
- VPD-6830-CLP Specifications 94
- VPD-6830-CLP 97
- VPD-6830-XEQ Specifications 100
- Temperature 101
- Power Requirements 101
- VPD-6830-XEQ 102
- VPD-6830-DEQ 104
- VPD-6830-DEQ Specifications 105
- Performance 106
- VPD-6830-DLY Series 110
- PD-6830-DLY240 111
- VPD-6830 DLY Specifications 112
- Item Specification 113
- VPD-6830-DLY240 115
- VSE-6801 Serial Equalizing 120
- Amplifier Module 120
- Serial Video Outputs 121
- Operation 122
- LEDs Function 123
- VSE-6802 Serial Equalizing 124
- Distribution Amplifier Module 124
- Figure 10-1. VSE-6802 125
- Amplifier 125
- Specification 126
- LED Indicators 127
- Jumper and Potentiometer 128
- Signal Monitor Module 132
- Specifications 133
- Installation 135
- Composite Analog Output 138
- Interface Switches 140
- Switch Setting Function 141
- Switching Point 143
- Selecting V-trig (J10) 145
- Connection 145
- Adjustment 146
- Test Points 147
- Control Panel 148
- ©2006 Harris Corporation 151
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