User Guide

iriver plus4 is an integrated software that can manage
multiple multimedia files. Use iriver plus4 to save files
to the AK100 or automatically upgrade the software.
Installing
iriver
plus 4
Connecting OPTICAL OUT
1. Use the optical cable to connect an external device
with a SPDIF-IN port, to the AK100 to listen to music
through an external device.
Connecting OPTICAL IN
1. Use the optical cable to connect an external device
with a SPDIF-IN port, to listen to music through the
AK100.
Improper handling of the Micro SD card may cause
damage to the AK100 or to the Micro SD card.
Use of an unauthorized Micro SD card may result in
malfunction of the AK100.
Transfer speed of the Micro SD card may vary depending
on the PC status.
Formatting the Micro SD card deletes all data. Please back
up the card before formatting it.
Please format the Micro SD card as FAT.
Please format any Micro SD card that is not recognized or
may cause damage to the AK100 or to the Micro SD card.
The Micro SD card is not included in the components and
must be purchased separately.
Micro SD cards up to 32GB are supported with the AK100.
User Guide
Getting Started 09
Optical In supported sample rate: 44.1kHz ~ 192kHz
except for 176.4kHz