User Manual
 Allen & Heath 23  ZED-10 User Guide 
Stereo Meters 
12 Segment LED meters with fast attack (4mS) and 
medium decay (1S). 
The meters display the signals selected by the 
Phones Select switches, or the mono Listen signal 
(PFL) if activated by any of the Listen switches. 
MASTER SECTION 
PFL (Pre-Fade Listen) active LED 
A red LED to indicate a Listen switch has been 
pressed on one of the channels.  
Doing this will override the Phones select source to 
the headphones and send the Listen signal to the 
meters. 
Headphones level 
Controls the volume of signal to the headphones. 
Warning ! To avoid damage to 
your hearing do not operate the 
headphones or sound system at 
excessively high volume.  
Continued exposure to high 
volume sound can cause frequency 
selective or wide range hearing 
loss.  
82! 
Phones Source Selector switches 
These switches allow you to choose what you hear 
on the headphones. With all switches up the default 
is the main stereo Mix, then you can choose be-
tween the Playback input (USB Input if nothing is 
plugged into the jacks), the Aux bus output, or the 
Record bus output. Pressing any Listen switch will 
override the selection and allow you to monitor 
individual channels. 
Headphones Output 
Standard 1/4” (6.25mm) jack socket wired Tip=Left, 
Ring=Right, Sleeve=Ground. 
LR
+16
-6
-9
-20
-30
-16
-12
-3
0
+3
+6
+9
Aux
+10
LEVEL
+10
+6
Source
Playback
Mix
Phones
MAIN MIX 
PHONES SELECT
0
0
LEVEL
AUX MIX 
LEVEL
LEVEL
Record
+10
0
0
Monitor
Phones










