Appendix B

D i a g n o s t i c s

This section describes the diagnostics designed to confirm proper installation of the DCT 2000. The diagnostics include checking error states and signal integrity, as well as provisions to identify the DCT 2000 on the network and to verify communications with the headend. The diagnostic information is displayed on the front-panel LEDs and the On-Screen-Display.

For diagnostics provided in this appendix:

§All indicators are in decimal notation unless otherwise noted.

§All signal-level and quality indicators are based on a 0 to 100% scale, unless otherwise noted.

§All screens self-refresh at a minimum rate of once every five seconds.

§All sample displays are illustrative; actual data will differ from the examples.

A c c e s s i n g D i a g n o s t i c s

To access the DCT 2000 diagnostic mode:

1Press POWER to turn on the DCT 2000.

2Wait five seconds.

3Press POWER to turn off the DCT 2000.

4Press SELECT within two seconds. The DIAGNOSTICS Main menu (Figure B-1) is displayed on the OSD and d 01 is displayed on the front-panel LEDs. The DCT 2000 is now in diagnostic mode.

5Use the CHANNEL #$ keys to select the desired diagnostic.

6Press CURSOR <, CURSOR >, SELECT, or ENTER to execute the selected diagnostic.

7To exit the diagnostic mode, press POWER. The DCT 2000 exits the diagnostic mode and powers off.

DCT 2000 Installation Manual

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Motorola DCT 2000 installation manual A g n o s t i c s, C e s s i n g D i a g n o s t i c s, Appendix B