Nortel Networks 6.1 - Manual (Page 250)

250 / Troubleshooting
Compact ICS 6.1 System Coordinator Guide P0603544 02
Testing the telephone display
Use a display test if you suspect that one of the indicators on the telephone
is not working.
1. Press ²¡âÞ. The display shows Display test.
2. Press TEST or
³ to go ahead with a display test.
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
³ to go ahead with the test.
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 or KIMs 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.
Testing the telephone buttons
1. Press
²¡âÞ, then £ or NEXT.
2. Press TEST or
³ to go ahead with a button test.
3. Press button to see its function. If the button you pressed uses an
indicator, it should turn on when you test the button.
4. Pressing the
¨ button puts Rls button on the display briefly and
returns you to the Button test display.
Testing the speaker in the telephone handset
The handset test is not available if you have a headset plugged into the
telephone.
1. Press
²¡âÞ, then £ or NEXT twice. The display shows
Handset test.
2. Press TEST or
³ to go ahead with a handset test.