Panel/rear Plate/MP3 function and oPeration
Volume: it is used to adjust the sound of volume.
TREBLE (treble): it is used to adjust the gain of music treble. Bass: it is used to adjust the gain of
music bass. EQ (equilibrium): it is used to adjust music frequency curve and gain and attenuation
within certain frequency.
MIC. VOL (microphone volume): it is used to adjust the volume of microphone
MIC. TREBLE (microphone treble): it is used to adjust the gain of microphone treble.
MIC. BASS (microphone bass): it is used to adjust the gain of microphone bass.
ECHO (microphone echo): it is used to adjust the echo depth of microphone.
DELAY (microphone delay): it is used to adjust the effect of microphone echo delay.
MIC1 MlC2 (microphone 1 and microphone 2): they are used to connect the plug interface of the wire
microphone.
GT 1, GT2 (guitar 1 and guitar 2): they are used to connect the interface of guitar audio wire.
GUITAR. VOLUME (guitar volume): it is used to adjust the volume after the guitar input function is
amplified.
DC FUSE (DC fuse): it is used for the power to supply the fuse of the whole machine with the protective
tube of F10A/250V.
POWER (power switch): the switch break-make power is applicable to the power control of sound
amplifier of thewhole machine instead of that of charging power. When the adapter is connected, the
battery charging is not controlled by the switch.
DC15V IN (15V DC power input): the interface of external power adaptor; please use the original adapter.
CHARGING (indicator lamp of battery power): after the power adaptor is connected, the indicator lamp will
be on and battery starts to be charged
FULL (indicator lamp of full charge): when adapter is used to charge the battery, it means full charge when
the indicator lamp is on.
WIRELESS MIC ANT (built-in microphone antenna): when you use wireless microphone, please make the
antenna vertically upward, so as to reach a better receiving effect.
12V BATTERY IN (external 12V battery interface): please carefully check the anode and cathode when
connecting and the applied connection line can not be smaller than 0.75 square meters. Attention shall
also be paid to the firmness when connecting it.
LINE IN (external audio interface): it is used to connect the compatible audio equipment such as DVC and
computer.
Display screen of MP3 encoding player: it is used to display the playing track, playing time or the receiving
rate under receiving status.
USD interface (U disk interface): when MP3 function of U disk is needed, insert the U disk with MP3 songs
to the interface.
SD/MMC CARD (interface of SD card and MMC card): insert SD card or MCC card with copied MP3
songs to the interface.
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.
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