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13. Troubleshooting
Symptom
iAUDIO doesn't work.
(No sound is heard after
pressing the PLAY button)
"iAUDIO is not found" message
is displayed.
Cannot read files from flash
memory.
("No File" is displayed)
Unable to upgrade the firmware.
("Open Device Error" message
appears.)
Unable to tune the FM radio
station.
Cannot change FM frequency
with REW/FF button.
How to reset iAUDIO to factory
default settings.
24
Actions to be Taken
Check that the battery's polarity is
correct.
Replace the battery with new one.
Take out the battery for a short while and reinsert.
Turn off the HOLD first.
Check if the MP3 file(s) is stored in
iAUDIO memory.
Check if the power is on or the USB
cable is connected properly.
Check if the USB driver is properly
installed in your PC.
(Refer to "Appendix A")
Turn the power off by pressing the
power button longer and turn it on
again. If a problem continues, format
the flash memory.
Check if iAUDIO is properly connected
to PC.
Check if the USB driver is properly
installed in your PC.
(Refer to "Appendix A")
Try at different location.
Check if FM preset mode is turned on.
Press Play/Pause button to release FM
preset mode.
Turn the power on using the PLAY
button, while pressing down MENU and
REC button at the same time.
Make sure to hold pressing MENU
and REC button until iAUDIO is fully
powered on.
I. iAUDIO
Description
If the battery is inserted in the opposite
direction, iAUDIO doesn't work.
If battery is out, the player won't work.
Buttons are inoperative when HOLD is ON.
Start JetShell and check if the MP3 file(s)
is stored in iAUDIO memory.
If the USB cable is not connected properly,
or plugged out, JetShell can't find iAUDIO.
Refer to "Appendix A. Reinstalling USB
driver" to check if USB driver is properly
installed.
Select JetShell -> File - > Format Flash
Memory menu.
COWON recommends you to use the latest
version of firmware.
New firmware provides enhanced
performance and bug fixing.
Visit our web site for more information
about upgrading the firmware.
You may not tune the FM radio properly,
depending on your location - inside the
building, on the subway, or inside the
moving vehicle. Additionally, reception
quiality can be poor due to geographical
characteristics.
If preset mode is turned on, REW/FF
buttons is used for changing preset
stations.
All files in the flash memory and FM radio
preset will be cleared, when iAUDIO is
initialized.
All settings will be initialized, excluding
the firmware.
CW300
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