Performance Verification
5–8
ECO 422
Figure 5–1: Setup to Check Black Burst Levels
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 SPG 422 to output an NTSC black burst signal.
CHECK – that there are no errors shown for either the Primary or Backup
ECO 422 sync sources.
Set the ECO 422 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 the Backup.
Press the Reset button on the front panel and try to return the signal source
to Primary.
Summary of Contents for ECO 422
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Page 14: ...General Safety Summary viii ECO 422 ...
Page 16: ...Service Safety Summary x ECO 422 ...
Page 17: ...Getting Started ...
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Page 31: ...Operating Basics ...
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Page 41: ...Operating Basics ECO 422 2 9 Figure 2 6 Setup for Adjusting R265 the User Level for SX 7 ...
Page 43: ...Specifications ...
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Page 53: ...Theory of Operation ...
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Page 62: ...Theory of Operation 4 8 ECO 422 ...
Page 63: ...Performance Verification ...
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Page 84: ...Performance Verification 5 20 ECO 422 ...
Page 85: ...Adjustment Procedure ...
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Page 88: ...Adjustment Procedure 6 2 ECO 422 ...
Page 89: ...Maintenance ...
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Page 101: ...Options ...
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Page 104: ...Options 8 2 ECO 422 ...
Page 105: ...Replaceable Electrical Parts ...
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Page 140: ...Replaceable Electrical Parts 9 34 ECO 422 ...
Page 141: ...Diagrams Circuit Board Illustrations ...
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Page 147: ... ECO 422 Changeover Unit FRONT PANEL 1 ...
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Page 167: ...Replaceable Mechanical Parts ...
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Page 174: ...Replaceable Mechanical Parts 11 6 ECO 422 ...
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Page 176: ...ECO 422 A1 FIG 1 EXPLODED VIEW A2 A3 A4 ...
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