Internal Link Options - ALLEN & HEATH GL4000 Service Manual

The GL4000 is configured to satisfy most of the applications that are likely be encountered. However, the following
internal link options are offered for those applications that may require alternative settings. These options require access
to the internal circuit assemblies and resoldering of circuit board links. This work should be carried out by technically
competent personnel. Further information is available in the separately available service manual and from your Allen
& Heath agent.
MONO CHANNEL
Set individual aux sends to be permanently pre-fader or post-fader rather than switched. Re-position wire links. Set the
pre-fade aux sends to be pre-EQ rather than post-EQ. Re-position a wire link. Set the pre-fade aux links to be pre-mute
rather than post-mute. Re-position a wire link. Disable +48V phantom power so that the panel switch has no effect. Cut
out the wire link.
MONO INPUT
STEREO CHANNEL
Set individual aux sends to be permanently pre-fader or post-fader rather than switched. Re-position wire links. Set the
pre-fade aux sends to be pre-EQ rather than post-EQ. Re-position 2 wire links. Set the pre-fade aux links to be pre-mute
rather than post-mute. Re-position a wire link. Disable +48V phantom power so that the panel switch has no effect. Cut
out the wire link.
TALKBACK MIC +48V
Disable +48V phantom power from the TB mic input XLR. Remove a jumper link (fit on 1 pin to keep in console).
L4DSM2

INTERNAL LINK OPTIONS

AUX3 AUX2 AUX1
POST-FADE
PRE-FADE
SWITCHED
AUX2
POST-FADE
SWITCHED
PRE-MUTE PRE-EQ
POST-MUTE POST-EQ
L
PRE-FADE AUX OPTIONS
TALKBACK
EQ
PRE-MUTE POST-EQ
POST-MUTE PRE-EQ
PRE-FADE AUX OPTIONS
AUX1
EQ
PRE-FADE
STEREO INPUT
PRE-EQ
POST-EQ
R
TB MIC IN
Section A - 13
+48V PHANTOM POWER
ENABLE
+48V PHANTOM POWER
ENABLE
TALKBACK MIC
PHANTOM POWER
+48V ENABLE
ALLEN & HEATH