Nortel Networks Modular ICS 4.0 manual Testing the speaker in the telephone handset

Troubleshooting / 201

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 ƒ°‚fi, 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 ƒ°‚fi, 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 ƒ°‚fi, then £or NEXT until the display reads Speaker test.

2.Press TEST or ˙to go ahead with a speaker test.

P0881591 Issue 01 Modular ICS 4.0 System Coordinator Guide