Astell & Kern AK240, Instruction Book, Page: 17 / 52

Using the Device
16
User Guide
Brightness
Screen Lock
Play Mode
10
11
12
Use the adjustment bar to
control the display brightness.
Press [ ] to turn the Screen
Lock on or off. The volume
wheel will not function when
the screen is locked.
Press [ ] to cycle through
different Play Modes.
: Sequential playback.
: Shuffle playback.
Long press [ / / ] to move to the corresponding
screen.