Appendix
Additional Information
Error messages
When you contact your dealer or your nearest
Pioneer Service Center, be sure to record the
error message.
Message
Cause
N/A USB
The USB device
connected to is
not supported by
this unit.
CHK USB
The USB connec-
tor or USB cable
is short-circuited.
The connected
USB portable
audio player/
USB memory
consumes more
than 500 mA
(maximum allow-
able current).
NO AUDIO
No songs
USB memory
with security en-
abled is con-
nected
DRM SKIP
The connected
USB portable
audio player/
USB memory
contains WMA
files that are pro-
tected by
Windows Media
DRM 9/10
18
En
Action
Connect a USB
portable audio
player or USB
memory that is
USB Mass Storage
Class compliant.
Confirm that the
USB connector or
USB cable is not
caught in some-
thing or damaged.
Disconnect the
USB portable
audio player/USB
memory and do
not use it. Turn the
ignition switch to
OFF, then to ACC
or ON and then
connect the com-
pliant USB porta-
ble audio player/
USB memory.
Transfer the audio
files to the USB
portable audio
player/USB mem-
ory and connect.
Follow the USB
memory instruc-
tions to disable the
security.
Play an audio file
not protected by
Windows Media
DRM 9/10.
Message
Cause
PROTECT
All the files on
the connected
USB portable
audio player/
USB memory are
protected by
Windows Media
DRM 9/10
USB audio player/USB
memory compatibility
! Specification: USB 2.0 full speed
! USB Class: MSC (Mass Storage Class) de-
vice
! Protocol: bulk
! Maximum amount of memory: 250 GB
! File system: FAT12, FAT16, FAT32
! Supply current: 500 mA
Notes
! Partitioned USB memory is not compatible
with this unit.
! Depending on the kind of USB portable audio
player/USB memory you use, this unit may
not recognize the USB audio player/USB
memory or audio files may not be played back
properly.
! You cannot connect a USB portable audio
player/USB memory to this unit via a USB
hub.
Compressed audio
compatibility
! Up to 15 000 files on a USB portable audio
player/USB memory can be played back.
Action
Transfer audio files
not protected by
Windows Media
DRM 9/10 to the
USB portable
audio player/USB
memory and con-
nect.