■
Use of the navigation keys
Allows access to the menu;
confi rms the selection
made,
returns to the previous win-
dow; if you are already on the
fi rst window it switches the
display off,
inside the menu they select
the previous or next item.
inside the menu they increase
or decrease the value set;
during the conversation they
allow access to the volume
and picture adjustment
menu.
71
Operation
2
GB