Controls And Indicators - Universal Audio 562 Manual

Feedback suppressor
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OUTPUT NOISE:
Less than -90 dBm (15.7 kHz noise bandwidth,
input
&
output terminated w/
600 ohms,
controls set for unity gain).
POWER REQUIREMENTS:
100
-
125 VAC, or 200
-
250 VAC, 50/60 Hz,
switch selectable, less than
10 watts.
ENVIRONMENT:
Operating, 0°C
to
+50°C (+32°F
to
+122°F);
Storage, -20°C
to
+60°C (-4°F
to
+140°F).
PHYSICAL:
DIMENSIONS:
483
x
44
mm rack panel, depth behind panel
248 mm,
(19"
x
1-3/4"
x
9-3/4").
FINISH:
Panel
is
3.18
mm
(1/8")
brushed clear
anodized aluminum
in two
shades.
Chassis
is
cadmium plated steel.
NET WEIGHT:
4.31 kg (9.5 lbs).
SHIPPING WEIGHT:
6.35 kg (14 lbs).
ACCESSORY:
Model SC-3 Security Cover; smoke gray
transparent plastic; covers
all
operating
controls.
1.3
CONTROLS AND INDICATORS
GAIN:
Continuously variable control
of
input
stage gain, from -10 dB to +20
dB.
HEADROOM INDICATOR:
4
LED indicators showing maximum signal
levels:
0,
-10, -20, -30
dB relative
to
overload
.
NOTCH DEPTH:
Continuously variable attenuation from
0
to
-20 dB.
FREQUENCY:
Varies
the
notch frequency from
60 Hz
to 600 Hz or 600 Hz to
6
kHz.
FREQUENCY RANGE:
Toggle switch selects range for
XI or X10.
SUPPRESSOR
IN/OUT:
Toggle switch allows Feedback Suppressor
to be
bypassed.
SETUP/OPERATE:
Toggle switch activates clipper
to
protect
loudspeakers during adjustment
of
Feedback
Suppressor.
-3-

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