Key: pressing the key to switch pause status under playing status or vice versa.
Stop key: pressing the key to stop playing under playing status; you are suggested to stop the
key and change U disk when you want to change U disk.
MP3/LINE-MODE (audio input switch): it is used to switch to use the external audio or built-in
MP3 encoding sound as the signal source of audio amplifier.
VOL-key: select the previous song for playing: the volume will be reduced by pressing the
key for longer than 3seconds.
VOL+ key: select the next song for playing: the volume will be increased by pressing the key
for longer than 3 seconds.
REPEAT (repetitive playing): press the key for repeating of single song or total songs.
COMMON SIMPLE FAULTS AND GUIDANCE FOR OPERATION AND REPAIR
FAULT PHENOMENON
SIMPLE FAULT ANALYSIS
Failing to electrify
The power switch is not opened
The electricity quantity of built-in battery is totally consumed
No sound
Failing to input sound source
Failing to establish signal line
Main volume is switched to minimum U disk playing has no sound
Faults with extemal signal source
Poor contact or damage of extemal signal line
External
External microphone is not fully inserted in thejack
microphone has
The external microphone switch is not opened
no sound
The volume knob of microphone is off
SOLUCIÓN DE PROBLEMAS
Open power switch
Use power adaptor to charge the battery
Change signal source
Reconnect signal line
Properly adjust the volume knob
Inspect U disk or audio switch
Change signal source
Readjust or change signal line
Totally insert the microphone to the jack
Open the switch of wireless microphone
Properly adjust the volume knob of
microphone
Open the switch of wireless microphone
Pg. 5