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Remote Volume Control
Options for remote control of the XPA ampliers include the Extron VCM 100 and
VC 50 volume controllers. Third party 10k potentiometer volume controllers can also be
connected to this port.
As shown in the following illustration, pin V (1) on the XPA is a 10 VDC reference voltage.
Pin C (2) is the volume control DC voltage input. The range is 0 to 10 V, where 0 V is mute
and 10 V provides maximum volume. Pin G (3) is ground.
NOTE: All nominal levels are at ±10%.
STANDBY
G
V
10V
GC
REMOTE
50mA
VOL/
MUTE
10V
Red
Black
Ground
Extron
STP 22
Cable
VOLUME
VCM 100
MUTE
12345
STANDBY
VOL/MUTE
10V 50 mA
or
Figure 8. Pinout Diagram for VCM 100 MAAP Connection to XPA Remote
Connector
XTRA Series • Operation 17