4
CA-6220/8220
STEREO POWERED MIXER
Front Panel Controls
Front Panel Controls
1. MONO INPUT SECTION
1. PEAK LED INDICATORS
This LED indicators let you check the level of the signal
input to the channel.
The peak indicator lights when the input signal reaches
3dB below the channel’s clipping point.
This indicator show the level of the post-EQ/pre-fader
signal. If the PEAK indicator lights more than briefly on
high-level transients, you should use the TRIM control to
decrease the input sensitivity of the channel.
2. CHANNEL LEVEL
This is the channel’s main level control. It determines the
level of the signal that is sent from the channel to the
master mixing and effect buses. It is the settings of the
input channel levels that determine the “mix”, or the
balance of sound levels between the instruments or other
sources connected to the input. When a channel is not
being used, its level should be set at the minimum posi-
tion to prevent the addition of unwanted noise to the
main program signal.
3. PAN
This control pans the channel signal across the master L
and R buses, thus determining the perceived position of
the sound from that channel in the output stereo sound
field. If a PAN control is set all the way to the left, for
example, the sound from that channel will be heard from
the left-speaker system only. If it is set all the way to the
right, the sound will be heard from the right speaker
system only. Intermediate settings will cause the sound to
appear at corresponding locations in the stereo sound
field.
4. EFF1/MONI
This control determines the level of the post-EQ/pre-
channel level signal that is sent from the channel to the
EFF1/MON mixing bus. The channel signals mixed by this bus have their overall level set by the EFF
SEND 1 fader and MON fader, then are sent to the EFF SEND 1 jack and MON jack. The output from
EFF SEND 1 jack can be processed by an external effect device.
5. EFF2/REV
This control determines the level of the post-EQ/post-channel level signal that is sent from the channel
to the EFFECT 2 mixing bus. The channel signals mixed by this bus are sent via the EFFECT SEND 2
fader to the EFFECT SEND 2 jack. The output signal is also fed into CA-6220/8220’s internal digital
signal processor. Thus, a signal fed to the EFFECT 2 bus using this control can be processed externally
or internally.
MIC 1
PEAK
LEVEL
010
010
010
LOW
HIGH
LINE
MID
EFF2
/REV
15 15
15
15
15 15
EFF1
/MONI
TRIM
4
16
60
40
PAN
LR
5
1
2
3
4
7
6
8
9
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