L R & M Masters & Headphones - ALLEN & HEATH ZED 420 User Manual

L R & M MASTERS and HEADPHONES
PHONES
LEVEL
4
PK!
3
+6
0
SIG
L
MUTE
2
10
5
0
5
10
20
30
1
OO
L
Allen & Heath
MIN MAX
LR
M
PK! PK!
+6 +6
0 0
SIG SIG
R M
MUTE MUTE
10 10
5 5
0 0
5 5
10 10
20 20
30 30
OO OO
R M
Main Mix Fader
The L, R & M faders follow the mix insert points. The
1
faders have 100mm of travel and 10dB of gain at the
top.
Main Mix Mute
Cuts the signal from the main mix output. Illuminates
2
red when cut. Also cuts the signal from the associated
Matrix feed and the headphones monitor.
Main Mix Meter
A 4 LED bar meter to show the level of signal on the
3
associated output.
The thresholds are:
Sig = -18dB nominal, 0dB, +6dB, Pk=+16dB.
0dB on the meter = +4dBu at the balanced output.
Headphones Source & Level
The LR/M switch selects the signal source for the head-
4
phones, out for Left & Right, in for Mono. If any AFL or
PFL switch is pressed then this will override the source
selection.
The level control adjusts the volume of the headphone
signal.
Warning
!
damage to your hearing do
n o t
headphones
system at excessively high
volume.
exposure to high volume
sound can cause frequency
selective or wide range
hearing loss.
24
! To avoid
o p e r a t e t h e
or sound
Continued
ZED-4 BUS User Guide