User manual

A1 mainframe front and rear views
A1
GR LO
ISP
GR HI
OV LO
OV HI
CUT
MON
LFC
MUTE
12 2 0- CO
0
-6
-12
-18
0
+3-3
dB HI dB
ID
OFF
ON
REM
PWR
TEMP
REM
PROT
LOCK
LO HI
INPUT
INPUT LINK
PUSH
REMOTE
CONTROL
FUSE T2A
220V-240V
∼
50-60 Hz
OVER
VOLTAGE
FUSE T8A FAIL
FAIL
PIN ASSIGNMENT
OUTPUT 2
OUTPUT 1
A LOW OUT +
B LOW OUT -
C SPEAKER ID
D SPEAKER ID
E SENSE DRIVE +
F SENSE DRIVE -
G HIGH OUT +
H HIGH OUT -
1220
Configuration switches
These switches depend on the
type of loudspeaker. They are
described individually for each system
in the section "Loudspeakers".
Displays and controls of
controller modules
These elements are common to all
modules. They are described in the
section "Controller modules".
Displays and controls
of mainframe
These elements are described in
the section "A1 mainframe".
Output connectors
These elements are described
individually for each system
in the section "Loudspeakers".
Input connectors
These elements are described in
the section "A1 mainframe".