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Extron Electronics MPA 122 User Guide User Manual

Page 4

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Quick Start Guide — MPA 122, cont’d

MPA 122 • Quick Start Guide

QS-2

iii

MPA 122 • Table of Contents

Chapter 1 • Introduction

.......................................................... 1-1

About this Manual

................................................................ 1-2

About the MPA 122

............................................................... 1-2

Features

...................................................................................... 1-2

Chapter 2 • Installation and Operation

......................... 2-1

Installation Overview

.......................................................... 2-2

Mounting the MPA 122

....................................................... 2-2

Rack mounting ....................................................................... 2-3
Under-desk mounting ........................................................... 2-4
Projector mounting ............................................................... 2-5

Rear Panel Features

.............................................................. 2-6

Power input ........................................................................... 2-7
Audio inputs .......................................................................... 2-7
Remote control ...................................................................... 2-8
Audio output ......................................................................... 2-8

Front Panel Features

............................................................ 2-8

Setting Up the MPA 122 Amplifier

............................... 2-9

Remote connector wiring ................................................... 2-10

Chapter 3 • Remote Operation

............................................ 3-1

Remote Control Options

.................................................... 3-2

Appendix A • Specifications

,

Part Numbers,

and Accessories

.............................................................................. A-1

Specifications

......................................................................... A-2

Included Parts

......................................................................... A-5

Optional Accessories

........................................................... A-5

Table of Contents

68-943-01 Rev. A

11 04

All trademarks mentioned in this manual are the properties of their respective owners.

BASS

LEVEL

TREBLE

MINI POWER AMPLIFIER

MPA 122

Step 6

Adjust the MPA 122 input level, bass and treble.

a.

If connecting to a projector, ensure that the volume on the device
is at its lowest point, then adjust the level of the MPA 122 fully
counterclockwise.

b.

Set the projector volume to its maximum

volume level (no sound should come

out).

c.

Return to the MPA 122 and raise the level until sound distortion

occurs, then lower slightly until distortion disappears. This
setting ensures that, whatever the projector volume setting may
be, no clipping occurs.

d.

Adjust bass and treble to preference.

PO

W

ER

OU

TP

UT

S

4/8 Ohms

INP

UT

S

L

R

L

R

REM

OTE

10

V

VO

L/MU

TE

L

MP

A

12

2

R

C

US

US

PC

Projector

Remote Control Options

IR Remote - (input selection and volume control through projector)

8 ohm Ceiling
Speakers
in Parallel

VGA w/
Audio Cable

VCR

Composite

Audio RCA

Variable
Audio
Output

ComLink

IR Remote

Extron
MLC 104 IP

Controller

Extron
VCM 100 AAP

Volume/Mute Controller

Extron
MPA 122

Mini Power Amplifier

1

1

VCM 100 Volume/Mute Controller - (direct MPA 122 control)

2

MLC 104 IP Controller - (input selection and volume control through projector)

3

2

3

CO

NF

IG

PR

OJ

ECT

OR

VO

LUM

E

MLC

10

4 IP

1

2

3

4

ON

OFF

MUT

E

VO

LU

ME

VCM 100 AA

P

DVD
S-video
Audio RCA

Typical connection setup

POWER

12V

3A MAX

OUTPUTS

4/8 Ohms

INPUTS

L

R

L

R

REMOTE

10V
VOL/MUTE

L

MPA 122

R

C

US

US

The Extron MPA 122 mini power amplifier