IRiver Astell & Kern AKT1 Instruction Book page 38

User Guide
Instances in which the device or Bluetooth headset's radio
transmitters are touching parts of the body.
Instances in which the transmission strength is affected by
walls, corners, partitions, etc.
Devices using the same frequencies may cause interference.
(e.g. medical devices, microwave ovens, Wi-Fi, etc.)
Areas with an excessive amount of interference or weak
signals (e.g. elevators, underground, etc.) affect performance.
Connecting via AUX Port
1. Connect an external device to the AKT1's [AUX Port]
using an AUX cable.
2. Select the [AUX] menu item from the Home screen and
set to [ON].
3. Music from the external device can now be output
through the AKT1's speakers.
Connecting via Optical In
1. Connect an external device to the AKT1's [OPT IN] using
an optical cable.
2. Select the [Optical] menu item from the Home screen and
set to [ON].
3. Music from the external device can now be output
through the AKT1's speakers.
Refer to page 13~14 for detailed instructions on how to
connect an external device.
Using the Device
37