Nortel Networks P0857846 - Manual (Page 160)

Troubleshooting / 147
P0857846 Issue 02 Norstar-PLUS Modular ICS 2.0 System Coordinator Guide
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.
• Press ƒ°‚fi , then £ or NEXT until the display
shows Headset test .
• Press TEST or ˙ to go ahead with a headset test.
You should hear dial tone through the headset. The volume will be
reset to a default level during the test.
Pressing any button ends the test.
Testing the telephone speaker
• Press ƒ°‚fi , then £ or NEXT until the display
shows Speaker test .
• 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
• Press ƒ°‚fi , then £ or NEXT until the display
shows Power test .
• 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.