Testing The Telephone Display - Nortel Modular ICS 6.0 Manual

244 / Troubleshooting
Tip -
pressing
You can end the telephone testing session anytime by pressing
¨
feature times-out after 30 minutes of no activity.

Testing the telephone display

Use a display test if you suspect that one of the indicators on
the telephone is not working.
² ¡ â Þ
1. Press
2. Press TEST or
3. Adjust the contrast for the telephone display so you are
able to see the test results clearly. Enter a number to
change the contrast or press DOWN and UP.
4. Press OK or
During the test, the display should be filled with solid, dark
blocks and all the indicators next to the buttons on the
telephone should be turned on. Any Busy Lamp Field (BLF)
or CAP modules that are attached to the telephone should be
completely lit. You lose any information that was showing on
the BLF before the test started.
Pressing any button ends the test.
Modular ICS 6.0 System Coordinator Guide
Ensure that the function of a button matches its label by
²
¥ â
a nd then the button to see its function.
²
or unless you are testing those buttons. The test
. The display reads Display test.
³
to go ahead with a display test.
³
to go ahead with the test.
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