MGS SO613 Guide De L'utilisateur page 22

Remote control instructions for use
G Press the key as shown to switch the
remote control on.
The remote control is designed
according to power-savings
guidelines; it switches itself off
automatically after 10 seconds
non-use; in order to start it again,
touch the key again.
In case you want to switch it off manually,
touch the key as shown for longer than 2
seconds.