LOTRONIC POWER8LED-MKII Manual Del Usuario página 8

switch the power button to DC15V instead of the battery, otherwise the battery will
be damaged and won't work in future.
Trouble shooting:
Users may solve the problem according to following guides, if problem still can't be
solved, please contact our company or the authorized retailer.
Trouble
No sound when
power on
Distorsion
No microphone
sound
No sound comes
from the USB/SD
card
Can't charge
battery works
during a short time
A big noise comes
out from the
speaker
©Copyright LOTRONIC 2016
May caused by
1. No input sound source
2.Volume knob in the
lowest position
3. Voice switched off
4. USB/SD card no plugged-
in
1. Volume too loud
2. Audio file error
1. Microphone socket not
fully plugged
2. Microphone's switch isn't
on
3. Microphone's volume in
lowest
4. Wireless microphone
battery power low
1. Song's format error
2. Illegal operation causes
function mess
3. USB/SD card doesn't plug
properly
1. Adapter doesn't plug
or
properly
2.
DC 15V/2A
doesn't properly plug
3. Battery not fully charged
4. Battery's life end
1. Wireless
microphone too close to
the speaker
POWER8LED-MKII
Solution
1. Input line in signal
2. Adjust volume
3. Turn on voice switch
4. Plug USB/SD card
1. Turn volume lower/higher
2. Check and change the audio
file
3. Adjust Bass/Treble knob on
the back panel
1. Completely plug microphone
socket
2. Power on microphone
3. Adjust microphone volume
4. Replace microphone's
batteries
1. Song's format should be
MP3/WMA
2. Power off, then power on
3. Plug USB/SD card properly
1. Plug adapter properly, the
adapter indicate light will on
2. Plug DC15/2A socket properly
socket
3. Extend charging time,
normally it takes 4-8 hours to
fully charge
4. Replace new same
specification battery
or wired 1. Do not let wired or wireless
microphone's head point at the
speaker
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