4.0 Troubleshooting
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illuminated.
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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
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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.
VMA 160/1120/1240/260/2120 Service Manual
Version A - 09/20
10
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