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36 Troubleshooting

3.2 Troubleshooting by Flowchart

Figure 3–1 is a ﬂowchart to help you diagnose and troubleshoot the

terminal’s operating problems. When you turn on the terminal:

• The two keyboard LEDs blink only during keyboard testing or to

report an error.

• The system logic board LED turns on and off. To see the LED,

look through the ventilation slits on the side of the system box

(Section 1.1).

• The monitor displays a pie graph representing the progress of the

self-tests.

At the end of a successful power-up sequence:

• The keyboard bell rings.

• The keyboard LEDs turn off.

• The system logic board LED turns off.

• The pie graph is replaced by the Terminal Manager window

(Figure 2–1)

• The diagnostic summary box contains the message:

All Diagnostics Passed

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DEC VT1000 Specifications

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