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Front Panel
Gain
1
This control establishes the nominal operating level for the channel.
The input gain can be adjusted over a wide range to compensate for soft
voices or very loud drums. To maximize the signal-to-noise ratio, the gain
should be set to the proper level, with the channel Fader (12) set to 0. If
the clip LED comes on and remains lit, try reducing the gain.
80 Hz Low Cut
2
The low cut filter has a corner frequency of 80 Hz. When engaged‚ it
can improve clarity by removing low frequencies that make a mix sound
muddy. This feature is especially useful when playing outside on a windy
day or on a hollow-sounding‚ noisy stage. These kinds of ambient noises
can rob your sound system of power. Engaging this switch will remove
those frequencies from the system and restore power where needed.
Hi EQ
3
This active tone control (shelving type: ±15 dB) varies the level of the high
frequency range.
Mid EQ
4
This active tone control (peak dip: ±15 dB) varies the level of the mid
frequency range.
Low EQ
5
This active tone control (shelving type: ±15 dB) varies the level of the low
frequency range.
Caution: Excessive low frequency boost causes greater power consump-
tion and increases the possibility of speaker damage.
6
MON Send (MON Send 2 on the PV
This control adjusts the level of the channel signal sent to the monitor
output. The signal is taken before the channel Fader (12) but after the
channel EQ.
7
EFX Send
This control adjusts the level of the channel signal added to the effects
mix. The effects send signal is taken after the channel Fader (12) so that adjustments made to the fader
will also affect the send level.
8
Pan
This knob controls the placement of the signal in the stereo field. When rotated completely counter-
clockwise‚ the signal is present only on the left channel; when rotated completely clockwise‚ only in the
right channel. This control functions as a balance control to adjust the relative level of the left and right
signals on stereo channels 5/6 and 7/8 on the PV
on the PV
20).
™
9
Mute
The mute button is a quick way to remove the channel signal from the left/right main mix, as well as
effects and monitor sends, without disturbing the control settings.
Clip/Mute LED
10
This light normally indicates that the channel signal level is nearing the overload point, but it also lights
when mute is engaged. The clip indicator circuit monitors the signal at many points in the channel to
ensure that it catches all instances of clipping. It illuminates at +19 dBu and warns that the gain or EQ
boost should be reduced. When it lights, roughly 3 dB of headroom remains.
20 only)
™
10 (11/12 and 13/14 on the PV
™
8
5
GAIN
4
6
3
7
1
2
8
1
9
0
10
2
80 HZ
0
HI
3
3
(dB)
6
6
3
9
9
12
12
15
15
0
MID
3
3
(dB)
6
6
4
9
9
12
12
15
15
0
LOW
3
3
(dB)
6
6
5
9
9
12
12
15
15
0
MON
3
3
1
6
5
15
40
10
dB
6
0
MON
3
3
2
6
5
15
40
10
dB
0
EFX
3
3
6
7
5
15
40
10
dB
C
PAN
8
L
R
10
9
CLIP
11
MUTE
1
SIG
10
6
0
12
6
12
20
14, 17/18 and 19/20
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