Helpful Hints - Nortel T7406 Installation Manual

To activate the backlight, press any button on the dialpad.
Note: The battery talk time is reduced with the continuous use of the
backlight. The backlight automatically turns off if the handset is
idle for more than five seconds.

Helpful hints

If your T7406 telephone is not functioning as you expect, review the
following table for possible solutions. If the problem persists, contact
your system administrator.
Problem
You hear warning tones.
The handset display
shows the discharged
battery icon.
You hear warning tones.
The handset display
shows
and the antenna/signal
strength icon
disappears.
The handset display
shows
the antenna/signal
strength icon is present.
Possible Cause
Battery pack is not
charged sufficiently.
Handset is out of
range of the base
station.
Handset and base
but station have different
Security codes.
Helpful hints / 45
Suggestion
Recharge the battery pack.
Ensure the handset is
placed properly in the
charger.
(Charger LCD turns on)
Move within range of the
base station.
If you are on an active call
when you move out of
range, the call will
automatically be placed on
hold until you return into
range, or until the other
party hangs up.
Assign the same Security
code to the handset.
Assigning the Security
Code on page 32.
T7406 Installation Guide