Inter-M PAM-520 User Manual

Inter-M, Ltd. (Korea) began operations in 1983.

Since then, Inter-M has grown to become one of the largest manufacturers

of professional audio and commercial sound electronics equipment in the world.

Inter-M has gained worldwide recognition for its own branded products,

as well as private label manufacturing of electronics sold under other names (OEM).

The company is no longer just a Korean company, but rather a global company that is truly international in scope, with factories and offices in Korea and China, and sales and marketing operations located in Japan, Europe, and the U.S.A.

With more than 850 employees around the globe,

Inter-M is well-poised for further growth and expansion.

INTER-M AMERICAS, INC.

1 EAST BEACON LIGHT LANE CHESTER, PA USA 19013-4409 TEL : [phone], FAX : [phone]

Home Page : http://www.inter-m.net, E-mail : [e-mail]

INTER-M Corporation

SEOUL OFFICE:653-5 BANGHAK-DONG, DOBONG-KU, SEOUL, KOREA TEL : [phone]~8, FAX : [phone]

Home Page : http://www.inter-m.com, E-mail : [e-mail]

MADE IN KOREA

March 2006 9007504510

PAM-510/520 ATT. Zone Amplifier

Contents
Welcome
Warning.........................................................................................................................................	1
Unpacking ......................................................................................................................................	2
Installation
Environment....................................................................................................................................	2
Important Safety Instructions.............................................................................................................	2
Features............................................................................................................................................	3
Accessories.....................................................................................................................................	3
Operation ........................................................................................................................................	3
Front Panel ......................................................................................................................................	4
Rear Panel .......................................................................................................................................	6
Connecting Speakers .....................................................................................................................	9
Application of the Antenna ........................................................................................................	10
Applications ..................................................................................................................................	11
Block Diagram ..............................................................................................................................	12
Specifications ................................................................................................................................	13
Service
Procedures....................................................................................................................................	14
Schematic .....................................................................................................................................	14
Parts List .......................................................................................................................................	14
Variations and Options ...............................................................................................................	14
Warranty .......................................................................................................................................	14

ATT. ZONE AMPLIFIER

Welcomel

A personal welcome to you from the management and employees of Inter-M

All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value, and we are delighted you have purchased one of our products.

We sincerely trust this product will provide years of satisfactory service, but if anything is not to your complete satisfaction, we will endeavor to make things right.

Welcome to Inter-M, and thank you for becoming part of our worldwide extended family!

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

WARNING

To prevent fire or shock hazard, do not expose the unit to rain or moisture.

This symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

This symbol is intended to alert the user to the presence of important operation and maintenance (servicing) instructions in the literature accompanying the appliance.

Caution: To prevent electric shock do not use this (polarized) plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure.

Attentions: Pour prévenir les chocs électriques ne pas utiliser cette fiche polarisée avec un prolongateur, une prise de courant on une autre sortie de courant, sauf si les lames peuvent étre insérées à fond sans en laisser aucune partie à découvert.

*Do not install this equipment in a confined space such as a book case or similar unit.

*The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus. *Worded: “WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING-WATER AND MOISTURE: Unit should not be used near water(e.g. near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken so than objects do not fall and liquids are not spilled into the enclosure through openings.”

* It can be heated up if you use this product in closed box or ill-ventilated place.

PAM-510/520 1

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Unpacking

Although your PAM-510 or PAM-520 is neither complicated nor difficult to operate, we recommend you take a few minutes to read this brief manual and familiarize yourself with the important information regarding product features, setup and operation.

As with most electronic devices, we strongly recommend you retain the original packaging. In the unlikely event the product must be returned for servicing, the original packaging (or reasonable equivalent) is required.

InstallationI t ll ti

Environment

Never place this product in an environment which could alter its performance or reduce its service life. Such environments usually include high levels of heat, dust, moisture, and vibration.

Important Safety Instructions

1.Read these instructions.

2.Keep these instructions.

3.Heed all warnings.

4.Follow all instructions.

5.Do not use this apparatus near water.

6.Clean only with dry cloth.

7.Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9.Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11.Only use attachments/accessories specified by the manufacturer.

12.Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

13.Unplug this apparatus during lightning storms or when unused for long periods of time.

14.Refer all servicing to qualified service personnel. Servicing is required when the

apparatus has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or has
been dropped.	S3125A

2 PAM-510/520

ATT. ZONE AMPLIFIER

Features

-SPEAKER SELECT(5ZONE SPEAKER OUTPUT)

Six speaker select switches enable you to select any combination of up to five speakers.

-SELECTABLE PRIORITY MUTING

Switchable audio signal priority for MIC Channels 1, siren, Chime and Telephone input over other input sources.

-MONITOR SPEAKER

You can monitor output signal by using the monitor speaker, and can control the monitor level on front panel by 3 step lever switch.

-ANNOUNCEMENT CHIME

Convenient four-tone chime for use with announcements.

-REMOTE CONTROL INPUT

Individual speaker zones can be selected and chime can be operated by wired remote control.

-EM(EMERGENCY)

When EM switch is pressed in emergencies, EM broadcasting stored in VOICE IC is outputted.

-REMOTE POWER

You can turn on/off amplifier by remote control.

-INDIVIDUAL INPUT GAIN CONTROLS

Rear-panel gain controls for each input channel for total control of individual levels.

-MODULAR DESIGN

Optional modules can be installed in multiple configurations for convenience and ease of use. Choose the PAM-CDA (Compact Disc), PAM-T (AM/FM Tuner) or PAM-D (Cassette Deck) modules to expand the

Accessories

One detachable AC power cord is provided for use with this product.

Operationi

Make certain that speakers and input sources are properly connected before switching on.

Keep volume levels turned down before switching on.

NOTE: The system’s operation is delayed by approximately three seconds after pressing the power switch. This is due to the built-in protection circuitry, designed to protect the speakers and other system components.

PAM-510/520 3