Troubleshooting - dBTechnologies OPERA UNICA 12 User Manual

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6. TROUBLESHOOTING

The loudspeaker will not turn on:
1. Check that power supply is present upstream of the installation.
2. Ensure that the power supply cable is properly plugged in.
The speaker turns on but produces no sound:
1. Check that the input connection of the audio signal is correctly performed.
2. Check the cables for damage.
3. Ensure that the mixer or audio source is on and an output signal is present.
4. Check that the input level is appropriate.
Speaker sound is distorted or not sufficient:
1. Adjust the first source volume, then set the input gain to an adequate level. Check the cables for
damage and replace them as required (a damaged cable may lead to signal loss or alteration).
2. Check that the selection settings of the input (Mic/Line) are correct with respect to the source
3. Check that the "DSP preset" settings are suitable for the use selected.
OPERA UNICA 12 - OPERA UNICA 15 Cod. 420120269 REV. 1.0
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