You can switch modes by pressing the function keys on the top of the screen.
Function Keys
You can use the function keys when [Function Key] in Screen Features is enabled. See Screen Features.
You can register often used functions to the function keys by using the following procedure:
Press [Home] () at the bottom of the screen in the center.
Flick the screen to the left, and then press the [User Tools] icon ().
Press [Screen Features].
Press [Screen Device Settings].
Press [Function Key Settings].
Select [Function Key 1], [Function Key 2], or [Function Key 3] to which you want to assign a function.
Press [Allocated Function].