Testing The Telephone Buttons; Testing The Speaker In The Telephone Handset; Testing The Telephone Headset - Northern Telecom Compact ICS 4.0 Manual

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Testing the telephone buttons

1. Press
TEST
2. Press
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
briefly and returns you to the

Testing the speaker in the telephone handset

The handset test is not available if you have a headset plugged
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into the telephone.
1. Press
display reads
TEST
2. Press
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.
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1. Press
display reads
TEST
2. Press
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.
P0881596 Issue 02
˙
or to go ahead with a button test.
®
button puts
Handset test
˙
or to go ahead with a handset test.
Headset test
˙
or to go ahead with a headset test.
Troubleshooting / 213
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Button test
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Compact ICS 4.0 System Coordinator Guide
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