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SRG-4500 User Guide (v7.0) Functional Check Procedures • 31
9. Check that the Waveform / Picture Monitor displays the appropriate Composite signal.
10. Check that the Composite signal is as configured in the menu, and that selecting and editing entries in the menu
by using the rotary/push control, the configuration of the Composite signal changes accordingly.
11. Return to the Top Level menu using the [Back] button.
Checking the Black 1 (Analog) Video Signal Outputs
The format of the Analog Black 1 output follows that of the Composite output; consequently, the format of this
output cannot be changed from within the < Black 1 > menu.
From the Top Level menu:
1. Select < -Video >.
2. Select < Video Channel 07 = Black 1 >.
3. Connect the Black 1 video output to the Waveform / Picture Monitor using a 75ohm BNC cable.
4. Set the Waveform / Picture Monitor to view the Black 1 signal.
5. Check that the Waveform / Picture Monitor displays the appropriate Black 1 signal.
6. Check that the Black 1 signal is as configured in the menu, and that selecting and editing entries in the menu by
using the rotary/push control, the configuration of the Black 1 signal changes accordingly.
7. Return to the Top Level menu using the [Back] button.
Checking the Tri-Black 2 / 3 / 4 Tri-Level Sync Outputs
The Tri-Black 2 / 3 / 4 outputs can be configured to produce either traditional “bi-level” Color Black (i.e. PAL /
NTSC) or Tri-Level syncs.
 Bi-Level Color Black is always available. Tri-Level Syncs are only available if the associated Option Key has
been entered; otherwise, the selection of output format is restricted.
From the Top Level menu:
1. Select < -Video >.
2. Select < Video Channel 08 = Tri Black 2 >.
3. Connect the Tri-Black 2 output to an oscilloscope or suitable Analyzer using a 75ohm BNC cable.
4. Set the oscilloscope / Analyzer to view the Tri-Black 2 signal.
5. Check that the oscilloscope / Analyzer displays the appropriate Tri-Black 2 signal.
6. Check that the Tri-Black 2 signal is as configured in the menu, and that selecting and editing entries in the
menu by using the rotary/push control, the configuration of the Tri-Black 2 signal changes accordingly.
7. Return to step 2, set for < Video Channel 09 = Tri Black 3 >, and repeat steps to check the Tri-Black 3 outputs.
8. Return to step 2, set for < Video Channel 10 = Tri Black 4 >, and repeat steps to check the Tri-Black 4 outputs.
9. Return to the Top Level menu using the [Back] button.
Serial Digital Video Signal Outputs
The format of the SDI Black 1 (and 2) output(s) follows that of the associated SDI Pattern output; i.e. they operate
as a pair of “linked” outputs.
Each SDI Video output channel can be configured to produce SD-SDI, HD-SDI or 3G-SDI.
From the Top Level menu: