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To set the device to automatically lock the keypad after a certain time, select
>
Settings
and
Settings
>
General
>
Security
>
Phone and SIM card
>
Keypad
autolock period
>
User defined
, and select the desired time.
To unlock the keypad, select
Unlock
, and press
*
. When the device or keypad is locked,
calls may be possible to the official emergency number programmed into your device.
Volume control
To adjust the earpiece or loudspeaker volume during a call or when listening to an
audio file, use the volume keys.
To activate or deactivate the loudspeaker during a call, select
Loudsp.
or
Handset
.
Connect a compatible headset
Connect a USB data cable
Connect a compatible USB data cable to the USB connector.
To select the default USB connection mode or change the active mode, select
>
Settings
and
Connectivity
>
USB
>
USB connection mode
, and select the desired
mode.
To select whether the default mode is activated automatically, select
Ask on
connection
.
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