Mitsubishi m720 Manual Do Utilizador

   

Check that the battery is fully charged and correctly connected to the phone.

There may be no mains supply. Try a different electrical socket.

The AC/DC charger may be faulty. Return to your dealer and try substitution with 

another Mitsubishi Electric adaptor. If faulty contact your dealer.

Cell broadcast is permanently on, using more battery power. 

Phone is in a poor signal area and therefore always on full power. 

Incorrect charging and discharging. Always charge and discharge your battery 

fully.

The battery is wearing out. Replace the battery.

Keypad lock is on (

 appears). Press 

Unlock and  to turn the keypad lock off.

Check at least one signal strength bar (

) is displayed. Try a stronger signal 

strength area.

If no network name is displayed, check registration and area coverage with your 

service/network provider and check the SIM is correctly inserted. 

Call barring option is on. Deactivate it (see page 75). Call cost limit is reached 

(see page 41).

Fixed Dialled Number or Call Barring features are activated. Deactivate feature. 

(see pages 75).

Display contrast is down too low. Reset contrast (see page 68).

May indicate a charge or battery problem. Disconnect the charger. Reconnect and 

try again. 

May also indicate the battery is full and does not need more charging.

There is not enough memory to store another SMS message. Delete one or more 

of the existing stored messages.