Inter-m SYSTEM-2240G Operation Manual

Operation Manual

MULTI P.A COMBINATION

SYSTEM-2240G

Contents

Welcome

Warning.........................................................................................................................................1

Unpacking......................................................................................................................................1

Installation

Environment....................................................................................................................................2

Important Safety Instructions.............................................................................................................2

Features............................................................................................................................................3

Accessories.....................................................................................................................................3

Operation ........................................................................................................................................3

Front Panel ......................................................................................................................................4

Rear Panel .....................................................................................................................................10

How to Use CD / MP3 Player ....................................................................................................12

Operating the Cassette Deck......................................................................................................15

Cassette Maintenance..................................................................................................................16

Application of The Antenna........................................................................................................18

Connecting the Speakers ............................................................................................................19

Applications ..................................................................................................................................20

Block Diagrams.............................................................................................................................21

Specifications ................................................................................................................................22

Service

Procedures....................................................................................................................................23

Schematic.....................................................................................................................................23

Parts List .......................................................................................................................................23

Variations and Options ...............................................................................................................23

Warranty .......................................................................................................................................23

MULTI P.A COMBINATION

SYSTEM-2240G

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!

Warning

* 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 suf-ficient 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 mainte-nance (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 expo-sure.

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.

MULTI P.A COMBINATION

SYSTEM-2240G

Unpacking

Please take a few minutes to read this manual to familiarize yourself with the important information regarding installation, product features, 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

Unpacking

Please take a few minutes to read this manual to familiarize yourself with the important information regarding installation, product features, and operation.

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

MULTI P.A COMBINATION

SYSTEM-2240G

Features

- SPEAKER SELECTOR

Eleven-speaker selector switches allow you to select up to 10 speakers in any combination.

- SEVEN-BAND EQUALIZER AND SPECTRUM ANALYZER

Seven-band graphic equalizer with full spectrum analyzer gives you unlimited tonal control, allowing you to shape your sound to meet your environment.

- TUNER MEMORY

Digital quartz tuner with 30 available memory locations (18 FM, 12 AM) provides instant access to your favorite stations.

- 1CD/MP3

The product has a built-in CDP than can play back the CD stored in a MP3 file format to enable convenient use.(Support playback of CD in CD/MP3 format.)

- FULL-LOGIC AUTO-REVERSE CASSETTE DECK

Full-logic dual cassette deck provides auto-reverse for continuous playback. Auto-relay function also provides cascading playback between Deck A and Deck B for seamless continuous playback.

- SIDE PANEL MONITOR SPEAKER

Side-mounted monitor speaker with three-position switch allows you to monitor the system’s output.

- ANNOUNCEMENT CHIME

Convenient four-tone chime for use with announcements.

- RECORD FUNCTION

The system has a record function which is allowing you to create another master tape.

Accessories

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

Operation

Make certain that speakers and input sources are properly connected before switching on. Keep volume levels turned down and graphic equalizer set to 0dB position before switching on. When the power switch is pressed, this unit starts operation with tuner display.

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.

MULTI P.A COMBINATION

SYSTEM-2240G

Front Panel

1. SPEAKER SELECTOR

These switches are used to individually select audio output to any combination of up to 10 speakers.

2. POWER SWITCH

Pressing this button switches the unit on, as indicated by the Power LED. Pressing the button again will switch the unit off.

3. SPECTRUM ANALYZER

The seven multi-segment LED meters indicate the level of each associated frequency band.

4. GRAPHIC EQUALIZER

Each slider controls the cut (decreased gain) or boost (increased gain) for its associated frequency band. The middle position indicates flat response (no cut or boost). Moving the slider upwards increases that frequency’s gain, while moving it down decreases the level of that frequency.

5. MONITOR SWITCH

This switch controls the relative volume of the side-mounted monitor speaker.

REC MUTE

TAPE DIRECTION

MULTI P.A COMBINATION

SYSTEM-2240G

6. MASTER VOLUME

This knob provides continuous control of the overall system output volume.

7. CHIME BUTTON

Pressing this switch activates the chime circuitry.

8. MIC 1 INPUT

High-impedance input jack for Mic 1. (Note: Mic inputs 2-5 are located on the rear panel.)

9. MIC INPUT LEVEL CONTROLS

Controls the individual levels of mic inputs 1 through 5.

10. CD VOLUME

Controls the level of the CD playback output.

11. TUNER VOLUME

Controls the level of the AM/FM tuner output.

12. DECK VOLUME

Controls the level of Cassette Decks A and B output. Can also be used to control the record level when dubbing from deck A to deck B.

13. AUX VOLUME

Controls the level of Aux 1 and Aux 2 inputs.

MULTI P.A COMBINATION

SYSTEM-2240G

1. CD/MP3 SECTION

1. DISC TRAY

The 1pc of CD/MP3 disc is inserted or ejected at disc tray. Only use the size of 12cm disc.

2. STOP BUTTON

Depressing this button stops playback of the CD/MP3 disc.

3. PLAY/PAUSE

Depressing this button will pause CD/MP3 Playback. Depressing a second time will resume play.

4. SCAN

Depressing this button will play the first 10 seconds of each song in sequence. Depressing again will resume normal play.

5. REPT (REPEAT) Depress this button once to repeat the currently playing song. Depress and hold for more than one second, to repeat all the songs in the current MP3 directory. Depress again to repeat all songs on the disc. Depress again to release Repeat function.

6. RAND (RANDOM) Depress this button to play the songs on the disc in a random order. Depress again to release Random function.

7. LCD DISPLAY

This LCD display indicates the status of the CD unit.

8. EJECT

Depress this button to eject disc.

9. TRACK (REVERSE/FORWARD) Depress this button to listen to the previous/next song on the disc.

10. DIRECTORY (REVERSE/FORWARD) This function is available only for MP3 discs. It allows for movement between file directories on an MP3 disc. Depress this button to move to the previous/next directory.

MP3 PLAYER

STOP

PLAY

PAUSE

SCAN REPT RAND

EJECT TRACK DIRECTORY

CD / MP3

MULTI P.A COMBINATION

SYSTEM-2240G

2. TUNER SECTION

1. TUNING FREQUENCY DISPLAY

You can confirm the frequency of tuner through this display.

2. BAND SELECT BUTTON

These switch is for selecting AM or FM, when using the tuner.

3. ADDRESS SELECT BUTTON

These switches select six memory address banks for the storage of broadcasting frequencies. Each of these banks can be hold five broadcasting frequencies at designated memory address areas, i.e., F1, F2, F3, A1 and A2. Therefore a total of thirty broadcasting frequencies can be stored.

4. UP/DOWN BUTTON

When the switch is momentarily pressed once, the AM/FM frequency will adjust with a single UP/DOWN count. When the switch is pressed continuously, the frequency is continuously fast UP/DOWN counted.

5. MEMORY BUTTON

This is for memorizing the broadcasting frequency.

1. Select the memory area AM or FM with the BAND switch (2).

2. Select the frequency that you want to memorize with the UP/DOWN switch (4).

3. Press the MEMORY switch (5), then select the desired address with ADDRESS switch (3).

4. The present status of the tuner will be memorized in the selected address.

6. POWER SWITCH

Pressing this switch to ON, will light and supply the power to this unit.

+ 18 hidden pages

Inter-m SYSTEM-2240G Operation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual