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TROUBLESHOOTING
Mixer and Amplifier Will Not Turn On
• Is the included power cord correctly connected
to a power outlet?
Amplifier Turns Off Suddenly
• Is the vent on the top panel of the mixer blocked?
Inadequate ventilation will cause the mixer to
overheat.
Turn off the mixer, ensure the vents on the mixer
are unobstructed, and leave the mixer to cool.
After a few minutes the mixer will reset.
• Is the POWER limiter flashing continuously?
If the POWER light is flashing, the mixer/amplifier
is being used beyond its capabilities. Reduce the
output volume and resume playback.
No Sound From the Speaker(s)
• Are external instruments (including a
microphone) or speakers correctly connected to
the mixer?
• Are the LEVEL controls of all relevant channels
and/or the MASTER LEVEL control set to
appropriate levels?
• Are the SPEAKERS L/R jacks connected to the
included speakers
Distortion or Noise in the Audio Signal
• Are the LEVEL controls of all relevant channels
and/or the MASTER LEVEL control set to
appropriate levels?
• Are the MIC/LINE switches of each channels set
appropriately?
• Are both XLR type and phono type jacks on
channels 1-4 being used (connected) at the same
time?
XLR and phono inputs cannot be used
simultaneously.
• Is the input signal from the connected device set
to an appropriate level?
Output Level is Low
• Are the LEVEL controls of all relevant channels
and/or the MASTER LEVEL control set to
appropriate levels?
• Are the MIC/LINE switches of each channels set
appropriately?
• Are both XLR type and phone type jacks on channels
1-4 being used (connected) at the same time
XLR and phono inputs can not be used
simultaneously.
• Is the input signal from the connected device set
to an appropriate level?
Reverb and Echo Effects are not Apparent
• Are the FX controls of each channel set to their
maximum settings?
• Are the Delay and FB controls set to their maximum
settings?
Sound Level is Powerful During Voice Announcements
• Is the SPEECH/MUSIC switch set to MUSIC ( )?
• Are the Equalizer controls (HIGH/LOW) set to
appropriate levels?
Sound Level is Low During Music Playback
• Is the SPEECH /MUSIC switch set to SPEECH ( )?
• Are the Equalizer controls (HIGH/LOW) set to
appropriate levels?
Sound Heard from Only One Speaker
• Are the SPEAKERS LR jacks connected to the
included speakers and mixer?
Connecting an Auxiliary Powered Speaker
• Connect an auxiliary powered speaker to the
MONITOR OUT jack. The MONITOR OUT signal
bypasses the MASTER LEVEL control. Adjust the level
of the MONITOR OUT signal with the MONITOR
OUT LEVEL control. If mono signal is desired, use
only the L MONITOR OUT jack. The mixer will
automatically mix the L and R input signals together.
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