ALLEN & HEATH ZED436 User's Guide download pdf (Page 18)

Allen & Heath 18 ZED-4 BUS User Guide

PAN

The pan control adjusts how the signal from the mono input channel is

shared between the left and right buses and subsequently the main stereo

outputs, similarly to pairs of Groups. Set to the mid position, equal amounts

of signal are fed to left and right, with pan set to L, none is sent to the Right

bus.

PFL Switch

The PFL (Pre-Fade Listen) switch sends the channel signal to the PFL bus

and subsequently to the headphones and the main L R meters. Used for

checking the audio signal before raising the fader or un-muting the channel.

Mute Switch

This mutes or cuts the signal to the buses and the Direct Out. A rectangular

LED illuminates to show the Mute switch is pressed.

Routing Switches

The routing switches connect the post-fade signal to the mix buses via the

pan control for the main LR bus and the group buses. For minimum noise

from the mix bus summing amplifier, leave the switches in their up positions

if the channel signal is not required on the bus.

MONO INPUT CHANNEL

ODD

PAN

EVEN

MUTE

PK !

PFL

SIG

L-R

1-2

3-4

Signal & PK! LED

The Signal LED illuminates dimly at a threshold of –16dB nominal level and

gets brighter with higher level signal. The source for the signal & peak LED’s

is just after the EQ IN switch.

The PK! LED illuminates when the signal just after the EQ IN switch is

within 5dB of clipping.

Fader

The 100mm fader affects the level of the channel signal to the left & right,

mono and group buses and Auxes 5 & 6. Also Auxes 3 & 4 if switched to

post-fade. There is 10dB of gain at the top and the unity gain position is

marked by “0”.

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ALLEN & HEATH ZED436 User's Guide Page 18