Chapter 14:
Test/Alignment Procedures - Video
controls with firmware revision 1.3c or higher will detect the unit being tested if
the DCN connection is functioning properly.
Ethernet Port Check
1. This test requires another DPS-475, DPS-575, or RC-475 unit to be present and
accessible through the network hub. Connect the unit to be tested to the same
hub.
2. On the front panel, press the Remote button. If the Ethernet connection is
established, the other remote unit should appear in the list of selectable Remote
Units. Note that it may take a couple of minutes for network polling to detect all
remote units.
3. To test Ethernet web browser control of the unit, configure the unit for your
TCP/IP network as described in Appendix F, “Ethernet Control.” Follow the Web
Browser Control section of Appendix F to access the unit through your web
browsing software, and verify correct control operation.
GPI Check
1. From the menus, select the Misc. Setup sub-menu from the System Config menu,
to provide access to the GPI and GPO configuration options.
2. Verify that the white BNC connector labelled Audio Delay/GP Out on the Multi
I/O Breakout Cable has a TTL pulse coming out on the scope.
3 Verify that the GPI 1 State and GPI 2 State menu readouts correctly display OFF
and ON when the corresponding RCA connector on the Multi I/O Breakout
Cable is opened and shorted.
RS-422 Port Check
If the Uploader software was used to upload firmware to the unit through the
RS-232/422 port, the port has been verified to be working. If not, use the Uploader
software to upload at least one file (image, firmware, etc.) to verify correct operation.
See Appendix D, “the Uploader software” for instructions.
Adjustment Potentiometer Locations
The diagram on the following page shows the locations of the potentiometers on the
main board that will be used to calibrate the unit.
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