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Problem Possible Cause(s) Action
Incorrect gain
structure or source
input (mixing
console/preamp) is
overdriven
Verify level controls of the source are properly structured
by using the VU meter indicator on the LCD screen. If the
VU meter bar is solid or the system indicates LIMIT, the
input or source level is too high. Fore more information,
see System status, page 21.
7. Microphone
produces acoustic
feedback when
input level is
amplified
Incorrect gain
structure
Reduce the microphone levels at the mixing console or
input source. If the microphone is connected directly to
the speaker, reduce the input level on the speaker.
Positioning the microphone close to the sound source
increases gain-before-feedback. See problem 6.
MODE is set to
MUSIC
Change the MODE to LIVE or SPEECH. For more
information, see Full-Range loudspeaker DSP control
menu, page 23.
Microphone position
is too close to the
front of the
loudspeaker
Whenever possible setup the loudspeakers so the
microphone is behind them. If using the loudspeaker in a
monitor position, aim the loudspeaker to the back of the
microphone.
8. DSP menu is locked The Menu Lock
function has been
turned on. A lock
symbol displays on
the LCD screen.
Press and hold the MASTER VOL knob for 5 seconds. For
more information, see DSP controls, page 22.
If these suggestions do not solve your problems, contact your nearest Electro-Voice dealer or
Electro-Voice distributor.
en 41
Electro-Voice User Manual 2015.02 | 03 | F.01U.308.095
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