Pioneer DV-420V-S Operating Instructions Manual page 40

Appendix
Additional information
06
When a USB device is connected
Problem
USB device is not recognized.
File cannot be played.
Folder or file names are not
displayed or are not properly
displayed.
Folder or file names are not
displayed in alphabetical order.
Much time is required to recog‑
nized the USB device.
Power is not supplied to the
USB device.
40
En
Check
Is the USB device properly con‑
nected?
Is the USB device connected via a
USB hub?
This is not a problem with the
player.
This is not a problem with the
player.
Is the file copyright‑protected (by
DRM)?
This is not a problem with the
player.
This is not a problem with the
player.
Do the folder of file names contain
more than 14 characters?
This is not a problem with the
player.
What is the USB device's capacity? Some time may be required to load the data
Is USB ERR displayed on the front
panel display? No power is sup‑
plied if the power consumption is
too high.
Remedy
Connect the device securely (all the way in).
This player does not support USB hubs.
Connect the USB device directly.
This player only supports USB mass storage
class devices.
This player supports portable flash memory
and digital audio playback devices.
Only the FAT16 and FAT32 file systems are
supported. Other file systems (exFAT, NTFS,
etc.) are not supported.
Turn the power off then back on.
Some USB devices may not be recognized
properly.
Copyright‑protected files cannot be played.
Files stored on a computer cannot be
played.
It may not be possible to play some files.
The maximum number of characters dis‑
playable for the folder and file names on the
Disc Navigator is 14.
The order of the folder and file names dis‑
played on the Disc Navigator depends on
the order in which the folders or files were
recorded on the USB device.
when large capacity USB devices are con‑
nected (this could take several minutes).
Turn the power off then back on.
Turn the power off, then disconnect and
reconnect the USB device.
Press DVD/ USB to switch back to the DVD
mode, then switch again to the USB mode.
(When the input is switched back to the
DVD mode, LOADING is displayed on the
front panel display and the disc is recog‑
nized. When the input is switched back to
USB, USB MODE is displayed on the front
panel display.)
If the USB device is equipped with an AC
adapter, use the USB device with the AC
adapter connected.