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JBL VMA160 User Manual

JBL VMA160
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22
4.0 Troubleshooting
CONDITION: No power to the mixer-amplier so that the power LED is not
illuminated.
POSSIBLE REASON: The mixer-amplier is not plugged into the power outlet.
CONDITION: No sound or low sound.
POSSIBLE REASON: The input signal is not present or at a very low level.
POSSIBLE REASON: The Master Volume control is turned down.
POSSIBLE REASON: A CSR-V is connected and turned down.
POSSIBLE REASON: Mixer channel inputs are turned down.
POSSIBLE REASON: A Priority switch is closed, muting all except the priority input.
POSSIBLE REASON: The 70V/100V switch is OFF while using the 70V or 100V
outputs.
CONDITION: Distorted sound.
POSSIBLE REASON: Input signal level is too high. Please turn down the input level
controls. Note that the mixer-amplier should not be operated at a level that allows
the clip indicator (red ring around the Master Volume) to be constantly ON.
POSSIBLE REASON: Master Volume is too high.
POSSIBLE REASON: MIC/LINE switch is in MIC position when using a line level
source.

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JBL VMA160 Specifications

General IconGeneral
BrandJBL
ModelVMA160
CategoryAmplifier
LanguageEnglish

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