ALLEN & HEATH GL4000 User Guide

30
TURN ALL MUTES OFF OR ON IN A GROUP
It is often useful to turn off (clear) or turn on (set) all the console
mutes within a mute group. This is done in 'edit mode' so that the
console mutes are not affected while the group is being edited.
TURN OFF OR ON ALL MUTES IN A GROUP
Press EDIT GROUP
The red LED will start flashing.
This puts the mute system into 'edit mode'.
Press the MUTE GROUP to be edited.
The mute group LED will start flashing.
The green SAFE/PREVIEW LEDs below the MUTE
switches will indicate which channels are part of the
group.
Press SHIFT + MUTE GROUP
The display flashes CLr (to clear all)
Include the following step to turn all mutes on :
Press SHIFT + RECALL again.
The display flashes SEt (to set all)
Press any other key to cancel or
Press MUTE GROUP
All green LEDs turn off.
The mutes are cleared (or set) in the group.
To edit another mute group press MUTE GROUP or
Press EDIT GROUP again to exit 'edit mode'.

ALLEN & HEATH GL4000 Specifications

General

Type	Analog Mixing Console
Groups	8
Faders	100mm
Frequency Response	20Hz - 20kHz
Channels	40
Mic/Line Inputs	40
EQ	4-band with 2 sweepable mids
Direct Outputs	Yes
Phantom Power	Yes
Metering	LED
Total Harmonic Distortion	< 0.005% at 1kHz
Noise (EIN)	-128dB
Dimensions	Varies depending on frame size. e.g., 40 channel: 1367mm (W) x 724mm (D) x 223mm (H)