User Manual

Allen & Heath 17 ZED-4 BUS User Guide
LF EQ
The LF (Low Frequency) equaliser affects the response at the low
end of the audio range. The graph shows the response of the LF EQ
at maximum cut and boost. The corner frequency is 80Hz.
MONO INPUT CHANNEL
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10
11
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9
Auxes 1 & 2
Each of these controls sends a signal to an auxiliary bus. The signal is
sourced pre-fade which means that the level is independent of, and
unaffected by the fader. Auxes 1 & 2 are primarily used for foldback
monitoring purposes, as the fader does not affect the level. They can
also be used as feeds for recording and are available sources to the
USB interface for this purpose.
These sends are affected by the Mute switch, so muting the channel
will also mute the Aux sends.
The control varies the signal level to the bus from off (fully attenu-
ated) to +6dB, with unity gain at the arrow.
There are master level controls for all of the Aux outputs situated in
the master section of the mixer.
10
Auxes 3 & 4
These are switched pre or post-fade so they can be used as either
monitor sends or effects sends.
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20.00 Hz 100.00 1000.00 10000.00
-20.00
-15.00
-10.00
-5.00
0.00
5.00
10.00
15.00
20.00
dBr
EQ IN
The EQ IN switch enables the equaliser when pushed in. The EQ is
bypassed when the switch is in its up position.
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
OO
OO
OO
OO
OO
OO
-15
LF
+15
EQ IN
80Hz
Auxes 5 & 6
Sourced post fade, so that the level is set with the send control but
will be affected by the fader position. Mainly used for effects.
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