Manta SPK5020 Manual De Usuario página 9

User's Manual E N
can arrange the copying sequence. If the files copied to U disk can not be played,
please inspect whether the file format is in MP3 format. If not, please switch to
MP3 format in computer and then copy to U disk in order to play normally. When
copying MP3 file, you shall copy to the catalogue of U disk. It is suggested to
delete all the unnecessary files and file catalogues in order to reduce the
occurrence of reading error when the encoding is played. When the user buys U
disk, please select the ones with better quality and internal encoding supporting
64MB/128MB/256MB/512MB/1GB/2GB/4GB/8GB and other volumes. During the
playing process, please make it far away from the places with high temperature,
high magnetic field and high frequency interference. In case of crash, please close
the power and restart for recovery!
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 MIC2 (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.
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