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Troubleshooting / 201
P0881591 Issue 01 Modular ICS 4.0 System Coordinator Guide
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 , then or NEXT
twice. The
display reads Handset test.
2. Press TEST
or to go ahead with a handset test.
3. Pick up the handset and listen. You should hear dial tone
through the handset at a maximum volume. The volume is
reset to maximum only while the test is going on.
Pressing any button or hanging up ends the test.
Testing the telephone headset
The headset test is not available to telephones that do not have
a headset jack or a headset plugged in.
1. Press , then or NEXT
until the
display reads Headset test.
2. Press TEST
or to go ahead with a headset test.
You should hear dial tone through the headset. The volume is
reset to a default level during the test.
Pressing any button ends the test.
Testing the telephone speaker
1. Press , then or NEXT until the
display reads Speaker test.
2. Press TEST
or to go ahead with a speaker test.
p0881591.book Page 201 Wednesday, August 19, 1998 6:43 PM