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CAMCO USER MANUAL
VORTEX POWER AMP SERIES
P.25
6.0 TROUBLESHOOTING
6.6 Problem: Distorted Sound
Indication: On LED lit
Signal LED responding to signal level
Clip/Output Current indicator lit only green
A faulty speaker or a loose connection could cause this. Try another
speaker and check the wiring.
The signal source might be clipping. Keep the VORTEX volume pots at
least halfway up so that the source does not have to be overdriven.
Try changing input sensitivity from 1,4 V to 32 dB or 26 dB at the
Gainswitch.
6.7 Problem: Music Sounds Frequency Filtered
If you have installed an optional lter module on E.U.I check the lter
on/off-switch to be in off-position.
6.8 Problem: Hiss
Unplug the amplier input to conrm that the hiss is coming from the
source or from a device upstream.
Erratic or popping noises indicate an electronic fault in the
offending unit.
To keep the noise oor low, operate the primary signal source at full level,
without clipping.
Avoid boosting the signal further between the source and the
amplier.
6.9 Problem: Squeals and Feedback
Microphone feedback should be controlled with mixer controls. If noise
continues to build up with no microphone gain, there is a serious fault in
the signal processors or cables. Working in succession from the signal source
towards the amplier and check each device in the signal path by reducing
its gain or by unplugging it.