Performance Verification
5- 8
ECO422D SD/HD Changeover Unit Instruction Manual
Performance Verification Procedure
1.
Check Overall Switching Disabled
Disconnect all signals (if any) from the ECO422D and power down the
instrument.
Set all switches on S1 through S11 to “open” to disable switches on all
channels.
Power the ECO422D up. (No inputs or outputs are required at this point.)
Wait for the power-up delay to complete (over 4 minutes).
With the addition of S13
8
the power up delay is adjustable, from no delay to
over seven minutes (see page 2--4).
CHECK
-- that there are no error shown on the front panel.
2.
NTSC Black Burst Check for Channel 1 Primary
Switch between 2 and 4 dB down from nominal
Connect the equipment as shown in Figure 5--1.
Power down all equipment.
Set the Channel Configuration switches to Disabled (signal not checked) for
all channels (set all DIP switches on S1 through S11 to “open”).
Set the Channel Configuration switch to NTSC Black Burst for Channel 1
(set S1--1 to “closed” and S1--2 through S1--8 “open”).
Set the step attenuator to 0 dB of attenuation.
Power up all equipment.
Set the TG700 BG7 to output an NTSC black burst signal.
CHECK
-- that there are no errors shown for either the Primary or Backup
ECO422D sync sources.
8
Serial number B030000 and later.
Signal Checking Disabled
Black Burst Checks
Содержание ECO422D
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Страница 10: ...Table of Contents vi ECO422D SD HD Changeover Unit Instruction Manual...
Страница 14: ...Service Safety Summary x ECO422D SD HD Changeover Unit Instruction Manual...
Страница 16: ...Environmental Considerations xii ECO422D SD HD Changeover Unit Instruction Manual...
Страница 18: ...Preface xiv ECO422D SD HD Changeover Unit Instruction Manual...
Страница 19: ...Getting Started...
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Страница 36: ...Getting Started 1 16 ECO422D SD HD Changeover Unit Instruction Manual...
Страница 37: ...Operating Basics...
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Страница 51: ...Specifications...
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Страница 65: ...Theory of Operation...
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Страница 71: ...Performance Verification...
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Страница 95: ...Adjustment Procedure...
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Страница 98: ...Adjustment Procedure 6 2 ECO422D SD HD Changeover Unit Instruction Manual...
Страница 99: ...Maintenance...
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Страница 111: ...Replaceable Electrical Parts...
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Страница 114: ...Replaceable Electrical Parts 8 2 ECO422D SD HD Changeover Unit Instruction Manual...
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Страница 125: ...Appendices...
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Страница 128: ...Appendix A Options A 2 ECO422D SD HD Changeover Unit Instruction Manual...