Anchor Liberty Xtreme MPA-500 Benutzerhandbuch - Seite 7

Blättern Sie online oder laden Sie pdf Benutzerhandbuch für Stereo System Anchor Liberty Xtreme MPA-500 herunter. Anchor Liberty Xtreme MPA-500 9 Seiten. Ac-powered sound system

100-82-0/A, X50 2/6/01 9:58 AM Page 13

Operation

Speech Project Switch
The speech project switch allows the user to customize the
off
on
sound output of the Liberty Xtreme for a particular
application:
Standard setting (button out):
To control
Liberty Xtreme provides flat, full-range frequency response
feedback, try
for music/singing or indoor vocal applications.
attenuating the
bass or treble
Speech Project setting (button in):
control.
Frequencies in the vocal range (800Hz-12KHz) are boosted
for added clarity and efficient projection. Use for outdoor
functions, large crowds and speech applications.
12 Volt DC Output
12 VDC Out
The DC output jack is used to power
(300 ma MAX)
auxiliary equipment such as an outboard
wireless receiver or Anchor's Mini-Mix.
It's rated output is 12 volts DC, 300 ma
maximum.
Using the cassette tape player
The cassette player features auto reverse for continuous
playback. The audio signal is fed directly into the mixing bus
so the sound can be mixed with other inputs of the Liberty.
Note: Use only high-quality tapes, and periodically clean the tape
head with a cleaning kit.
10
+12 VDC
To change tracks
To eject tape, push
(sides), push
button fully in.
button half-way in.
TAPE
VOLUME
EJECT
AUTO REVERSE CASSETTE
Set-Up
the second system. Set the volume on the second
system, and thereafter the volume of the primary
Liberty Xtreme will control both units.
primary system
second system
third system
Setting up difficult rooms
Reverberant rooms—those with acoustically-reflective
surfaces like glass or concrete (such as a gymnasium), can be
troublesome when using a sound system. Proper care must
be used during setup to minimize feedback, which is caused
by the microphone 'hearing' the sound reflected back from
the walls, floors and ceilings.
Techniques to reduce feedback in difficult rooms:
• The best microphones to use in feedback-prone rooms
are handheld, CollarMic
allow the mic element to be close to the mouth so the
A lapel mic will
system 'sees' more of the user's voice and less of the
perform poorly
room. The volume control can be turned down while
under these
conditions and
still maintaining an adequate sound level—another
should not be
important factor in reducing feedback.
considered.
• Orienting the speakers directly at the crowd and away
from the walls (and the user, or course) will help
reduce feedback. Experimentation may be necessary.
or headset boom types. They
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