IRiver Astell & Kern AKT1 Instruction Book page 22

User Guide
SD Card : Mount a microSD card to activate the corresponding
menu and select music for playback through the AKT1.
AUX : Connect an external device to the AKT1 via an AUX
cable to activate the corresponding menu and output sound
through the AKT1.
USB : Connect a USB storage device to activate the
corresponding menu and select music for playback through
the AKT1.
Optical : Connect an external device to the AKT1 via an
optical cable and touch the Optical menu to output sound
through the AKT1.
Store : Use the Groovers Store.
Settings : Adjust network, equalizer, screen brightness, and
other settings.
Multiple menu items can be activated simultaneously.
However, multiple activated menu items are not run
simultaneously.
To use Bluetooth functionality, the AKT1 must be connected
to an external device.
The Store function can only be used in Korea.
Using the Device
21