User's Manual
. 37 .
www.energysistem.com
Trouble Diagnosis
1. The LCD display window shows nothing after turning
on Digital Audio.
•Check to see if the battery has been inserted.
•Check to see if the battery needs replacement.
•Try reinserting the battery or replace it.
•Take out the battery and insert it correctly after 5
seconds.
2. The buttons are not workable.
•Check to see if the “Hold” button is on.
•Release the Hold button.
3. No sound could be heard while playing MP3 files.
• Check to see if the volume is too low and turn it up.
• Check to see if the Digital Audio is being connected
with computer.
• Check to see if there is any music file in the memory.
4. I can’t download music files after connection.
• Check to see if Manager Software is setup.
• Check to see if the software is working properly.
• Check to see if your Mother Board supports the USB
devices and needs upgrade.