Nortel Networks Modular ICS 4.0 - Manual (Page 212)

200 / Troubleshooting
Modular ICS 4.0 System Coordinator Guide P0881591 Issue 01
Testing the telephone display
Use a display test if you suspect that one of the indicators on
the telephone is not working.
1. Press ƒ°‚fi. The display reads Display
test.
2. Press TEST or ˙ 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 ˙ 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 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
ƒ°‚fi, then £ or NEXT.
2. Press TEST or ˙ to go ahead with a button test.
Tip -
Ensure that the function of a button matches its
label by pressing ƒ•‚ and then the button to
see its function.
You can end the telephone testing session anytime by
pressing
® or ƒ unless you are testing those
buttons. The test feature times-out after 30 minutes of no
activity.
p0881591.book Page 200 Wednesday, August 19, 1998 6:43 PM