iRiver PPE21 ユーザーズマニュアル

Earphones / Optical port : Output sound to connected 
earphones. Music can be played back on an SPDIF-
capable external device by using an optical cable.
Power : Turn the screen on and off.
 

Long Press - Turn the device on and off.

Balanced port : Output sound to earphones or headphones 
that support balanced audio connections. Connect to 
an external audio device by using both the earphone port 
(ground) and balanced audio port (LR) in conjunction.
Micro-USB port : Connect to a computer or recharge the device.
Previous/Rewind : Play the previous song or restart the song. 
 

Long press - Rewind.

Start

The appearance of the product, printed and engraved 
information may vary depending on the model.

AK100 II at 
a Glance

R- R+ L+ L-