Testing The Telephone Display; Testing The Telephone Buttons; Testing The Speaker In The Telephone Handset - Nortel M7410 Installation And Maintenance Manual

122 Troubleshooting

Testing the telephone display

Use a display test if you suspect that one of the indicators on the telephone is not
working.
1. Press
ƒ°‚fi
2. Press
TEST
3. Adjust the contrast for the telephone display so you are able to see the test
results clearly. Enter a number to change the contrast or press
4. Press or
OK
During the test, the display should be filled with solid, dark blocks and all the
indicators next to the buttons on the telephone should be turned on. Any Busy Lamp
Field (BLF) or CAP modules that are attached to the telephone should be
completely lit. You lose any information that was showing on the BLF before the
test started.
Pressing any button ends the test.

Testing the telephone buttons

1. Press
ƒ°‚fi
2. Press
TEST
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
to the
Button test

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
2. Press
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.
Enterprise Edge Feature Programming Telephone Guide
. The display reads
or to go ahead with a display test.
˙
to go ahead with the test.
˙
, then
£
or to go ahead with a button test.
˙
button puts
Rls button
®
display.
, then
£
or to go ahead with a handset test.
˙
Display test
or .
NEXT
on the display briefly and returns you
or twice. The display reads
NEXT
.
and .
DOWN UP
Handset test
P0908510 Issue 02
.