Extron electronics A-4 User Manual download pdf (Page 12)

MPA 122 • Installation and Operation

Installation and operation, cont’d

MPA 122

Chapter Three

Remote Operation

Remote Control Options

2-10

Remote connector wiring

As shown below, Pin 1 is 10 VDC reference voltage. Pin 2 is

volume control DC voltage; range is 0 to 10 V, where 0 V is mute

and 10 V provides maximum volume. Pin 3 is ground.

All nominal levels are at ±10%

MUTE

VOLUME

REMOTE

10V

VOL/MUTE

123

GND

10K

MAX

MIN

Figure 2-9 — Pinout diagram for optional remote

connector

See Chapter 3, Remote Operation for more information on the

three options (IR remote, MLC series, or DC volume/mute

controller) for remote control.

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Extron electronics A-4 User Manual Page 12