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246 / Testing the telephone
Testing the telephone
If you suspect something is wrong with a button, the speaker,
the displays, or some other part of the telephone hardware, you
can do a quick test to see which part of the telephone is broken.
Digital mobility phones do not use the following procedures.
They may have internal tests. Refer to the user card that came
with the handset.
Tip -
pressing
function.
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.
1. Press
2. Press
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
4. Press
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. Attachments, such as Key
Indicator Modules (KIMs) that are attached to the telephone
Modular ICS 7.1 System Coordinator Guide
Ensure that the function of a button matches its label by
and then pressing the button to see its
or
unless you are testing those buttons. The test
. The display reads
or
to go ahead with a display test.
or
to go ahead with the test.
and
.
N0130946 01
.
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