Radio Shack MPA-125 用户手册

下载
页码 20
14
Connections
USING THE FEEDBACK FILTER
The 
FEEDBACK FILTER
 control lets you reduce or eliminate squeal and other noise caused by
feedback.
After you adjust 
MASTER VOLUME
MIC 1
MIC 2
MIC 3
MIC 4/PHONO
, and 
CD/AUX
, turn on the
amplifier and any connected sound source. If you hear any feedback, turn 
FEEDBACK FILTER
clockwise until you reduce or eliminate the feedback.
Note: The 
FEEDBACK FILTER
 control decreases feedback frequencies by up to 12 dB. If it does
not eliminate the feedback, try using a frequency equalizer to further decrease the feedback
frequencies.
FEEDBACK FILTER
32-2003.fm  Page 14  Tuesday, March 28, 2000  10:45 AM