AirTurn DIGIT II - Manual (Page 5)

5
Once the mode is set, you can toggle between this
stored mode and iTunes mode by a long press on B4 at
any time.
The remote has 4 “modes” which define up to 5
variable keystrokes that are sent when a button is
pressed, including iTunes, Presenter 1, Presenter 2 and
VoiceOver mode. The default mode can be selected on
power up by holding down button B1, B2, B3, or B4.
The
following chart shows the characters sent for each
mode.
Button Mode
B1 iTunes/iCamera default /mode 1
B2 Presentation 1 /mode 2
B3 Presentation 2/ mode 3
B4 Voice Over /mode 4