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OLD FUSE
SPARE FUSE
Troubleshooting
PROBLEM
No sound
No power
1. Make sure the unit is plugged in and the power switch is in the
ON position.
2. Check that the power cable is plugged in tightly to the unit.
3. Check and replace the fuse if necessary. See fuse replacement
diagram below.
4. If people or equipment tend to step and roll over or stretch
your power cable it can get damaged. Always try a second cable
to test for shorts in original cable. Dispose of original damaged
power cables immediately.
1. Check that all appropriate cables are plugged in correctly.
2. Check the Master Volume settings.
3. Be sure Volume and Gain of appropriate channels are set
above 0 level and matched correctly.
4. Be sure your microphone is on.
5. If using a mixing console make sure fader and balance are set
to center positions and levels are increased.
SOLUTION
No SD or USB
playback
1. Make sure you've selected the proper source.
2. Make sure that the audio les are in the specied format.
Buzzing sound
Make sure you are using a proper cable. For ¼˝ cables, there are
3 types: instrument, TS (unbalanced), and TRS (balanced). Check
the requirements of the connected gear and the input of the
speaker and make sure you are using the appropirate cable.
Poor Mic sound
Mic feedback
1. Make sure you are using the Mic In port.
2. If using wireless mics connect them into the Line input of your mixer.
Point the mics away from the speaker. Make sure the mics are in
back of the speaker, not in front of it.
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