Configuration screens
To enter the configuration menus, briefly press  and then
 and then  .
. 
To move through the menus, press  and
 and  .
.
To open a menu, press  .
.
To go back to the Home screen, keep pressing  .
.
To change an option within a menu, highlight the option and press  or
 or  . Press
. Press  to confirm the change.
 to confirm the change.