Inter-M PAM-520 User Manual
MADE IN KOREA
March 2006 9007504510
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 : 1-610-874-8870, FAX : 1-610-874-8890
Home Page : http://www.inter-m.net, E-mail : service@inter-m.net
INTER-M Corporation
SEOUL OFFICE:653-5 BANGHAK-DONG, DOBONG-KU, SEOUL, KOREA
TEL : 82-2-2289-8140~8, FAX : 82-2-2289-8149
Home Page : http://www.inter-m.com, E-mail : export@inter-m.com
PAM-510/520 ATT. Zone Amplifier
Contents
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
1
PAM-510/520
ATT. ZONE AMPLIFIER
Welcome
Welcome
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!
* It can be heated up if you use this product in closed box or ill-ventilated place.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
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.
*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.”
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.
2
PAM-510/520
ATT. ZONE AMPLIFIER
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.
Installation
Installation
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
3
PAM-510/520
ATT. ZONE AMPLIFIER
Features
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.
Operation
Operation
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.
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