Performance Verification
ECO422D SD/HD Changeover Unit Instruction Manual
5- 13
7.
Serial Digital Component Check for Channel 1 Primary
Switch between 2 and 5 dB down from nominal
Connect the equipment as shown in Figure 5--2.
DVG7
ECO422D
Serial Digital Black
75
Ω
termination
Serial Digital Bars
Step Attenuator
Figure 5- 2: Setup to check the component serial digital video levels
Set the Channel Configuration switches to Disabled (signal not checked) for
all channels (set all the DIP switches on S1 through S11 to “open”).
Set the Channel Configuration switch to Serial Digital Video Component for
Channel 1 (set S1--4 to “closed,” S1--1 through S1--3 “open,” and S1--5
through S1--8 “open”).
Set the step attenuator to 0 dB of attenuation.
Set the TG700 DVG7 to output any serial digital bars signal using the
525/59.94 standard.
Press Reset.
CHECK
-- that there are no errors shown for either the Primary or Backup
ECO422D sync sources.
Set the ECO422D (using the front panel) to “Primary” Sync Source and
Auto Switch “Switch on Fault.”
Add attenuation, 0.5 dB at a time, to the Primary input signal until the signal
source switches to Backup.
Serial Digital Video
Checks
Summary of Contents for ECO422D
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Page 10: ...Table of Contents vi ECO422D SD HD Changeover Unit Instruction Manual...
Page 14: ...Service Safety Summary x ECO422D SD HD Changeover Unit Instruction Manual...
Page 16: ...Environmental Considerations xii ECO422D SD HD Changeover Unit Instruction Manual...
Page 18: ...Preface xiv ECO422D SD HD Changeover Unit Instruction Manual...
Page 19: ...Getting Started...
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Page 36: ...Getting Started 1 16 ECO422D SD HD Changeover Unit Instruction Manual...
Page 37: ...Operating Basics...
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Page 51: ...Specifications...
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Page 65: ...Theory of Operation...
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Page 71: ...Performance Verification...
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Page 95: ...Adjustment Procedure...
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Page 98: ...Adjustment Procedure 6 2 ECO422D SD HD Changeover Unit Instruction Manual...
Page 99: ...Maintenance...
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Page 111: ...Replaceable Electrical Parts...
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Page 114: ...Replaceable Electrical Parts 8 2 ECO422D SD HD Changeover Unit Instruction Manual...
Page 115: ...Replaceable Mechanical Parts...
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Page 122: ...Replaceable Mechanical Parts 9 6 ECO422D SD HD Changeover Unit Instruction Manual...
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Page 125: ...Appendices...
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Page 128: ...Appendix A Options A 2 ECO422D SD HD Changeover Unit Instruction Manual...