Nortel Networks M7410 - Manual (Page 124)

Troubleshooting 123
P0908510 Issue 02 Enterprise Edge Feature Programming Telephone Guide
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.
You should hear page tone through the telephone speaker at the maximum volume.
The volume returns to its previous setting when you end the test.
Pressing any button ends the test.
Testing the power supply to a telephone
1. Press ƒ°‚fi , then £ or NEXT until the display reads Power test .
2. Press TEST or
˙
to go ahead with a power supply test.
You should see all the indicators on the telephone go on and hear ringing at
maximum volume. When the test has ended, the display should briefly show
Power OK .
The test lasts for five seconds or until you press a button.