Roubleshooting - Mitsubishi Trium T300 User Manual

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T

ROUBLESHOOTING

Problem
Phone does not turn on • If the phone is new, see Charging the
Phone turns on but
there is no display
Short standby or talk
times
Numbers cannot be
entered into the display
Phone numbers cannot
be dialed
Calls cannot be made or
received; dropped calls
Volume varies/mutes
briefly
Possible cause and solution
Battery on page 6. Otherwise, recharge or
replace the battery.
• Display contrast is turned down too low.
Reset contrast (see page 49).
• Battery is wearing out. Replace the battery.
• Keypad lock is turned on (
Press Unlock
• Call restrictions may be in place. See Call
Restriction on page 56.
• The signal strength will depend on your
location. Check the received signal
strength indicator
the signal strength increases (another bar
appears).
In addition to geographic location, the sig-
nal will weaken behind walls, under
bridges, in tunnels, or other obstructions.
If problems persist, please call your service
provider.
• Audio volume can vary due to a weak
signal or high speed travel.
is displayed).
, then press
.
and try again after
65

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