Yes. To set the default mode to be activated automatically, select No.
After transferring data, ensure that it is safe to unplug the USB data cable from the PC.
Remote synchronisation
Sync enables you to synchronise data such as your calendar entries, contacts, and notes with a compatible computer or a remote internet server.
Select 
> Settings > Connectivity > Sync.
To create a new profile, select Options > New sync profile and enter the required settings.
To synchronise data, in the main view, mark the data to be synchronised, and select Options > Synchronise.
Push to talk
Push to talk (PTT, network service) is a
C o n n e c t i v i t y
To check availability and costs, and to subscribe to the service, contact your service provider. Note that roaming services may be more limited than home network services.
Before you can use the PTT service, you must define the PTT connection settings. For PTT service settings, contact your service provider.
Phone calls always take priority over PTT calls.
Select 
> Applications > PTT.
Log in to PTT
To log in manually, select Options > Log in to PTT.
indicates a PTT connection.
indicates that PTT is set to do not disturb (DND).
Exit PTT
Select Options > Exit. Log out from PTT after exiting application? is displayed. To log out, select Yes. To keep PTT active in the background, select No.
Make a one-to-one call
Warning: Do not hold the device near your ear when the loudspeaker is in use, because the volume may be extremely loud.