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Device lock Phone locked is displayed followed by the prompt Enter lock code.

Your P910a is locked to prevent unauthorized use. To unlock the P910a:

•Enter your device lock code, 0000 by default,

then press or .

Key symbol The keypad is locked to prevent unintentional key action.

Press followed by to unlock the keys.

Indicator light

Flashes red This indicates that the battery is running low and soon needs recharging or replacing with a spare.

•With Vehicle Handsfree (VHF) equipment, make sure that the following are inserted or connected: Your P910a and its holder, the fuse in the fuse holder, and/or the external antenna.

Does not flash If the indicator light at the top of your P910a does not flash and no network is displayed there is no network within range. See ‘Telephone does not work’ on page 180.

Communication problems

Telephone does • The received signal can be too weak, possibly

not work

because you are being shielded from the signal.

 

Check your display signal strength indicator.

 

Move outdoors or up from the ground to obtain a

 

sufficiently strong signal.

 

• Make sure the P910a is not set in Flight mode.

 

• Your P910a might be busy sending or receiving

 

data or email.

 

• Check the settings for forwarding or restricting

 

calls. See ‘Forward calls’ on page 54, ‘Accept

 

calls’ on page 54 and ‘Restrict calls’ on page 55.

 

• If Emergency calls only is displayed on the

 

screen, you are not allowed to use the network

 

within range. You can, however, usually make an

 

emergency call using the emergency number.

 

• If No network is displayed on the screen, you are

 

in an area that is not covered by a network or the

 

received signal is too weak.

Cannot hear

• Increase the ring signal volume.

incoming call

• Your P910a is set in silent mode.

 

• Your P910a is set in Flight mode.

180 Troubleshooting