Operation Manual

Line Monitor

LM-618

* Rack mount products in the Western Hemisphere(North America, South America, and the Caribbean) do not have handles installed due to customer preference.

LINE MONITOR

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.

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.

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.

*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.

*CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.

NOTE : This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

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

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Unpacking

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Installation

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

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

Features

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Operation

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Front Panel

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Rear Panel

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Applications

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Block Diagram

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Specifications

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Service

Procedures......................................................................................................................................9

Schematic .......................................................................................................................................9

Parts List .........................................................................................................................................9

Warranty

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LM-618

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Although your LM-618 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.

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

S3125A

2

LM-618

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- LED LEVEL METER

Amp power level can be easily checked by LED LEVEL METER.

- OUTPUT SIGNAL MONITORING

The status of each signal of 8 mixer output can be checked by Monitor speaker.

- MONITOR LEVEL ADJUSTMENT

The volume of monitor speaker is adjustable by its designated volume knob.

- BUILT-IN MONITOR SPEAKER

The status of each input signals can be checked by highly qualified monitor speaker that offers loud and clear sound.

1. Unit starts to work when the power switch on the rack is turned on.

2. Please choose the channel needed to be checked and adjust the sound level and tune, then start monitoring.

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1 2

INPUT

3

0dB

13

20

3

8

25

3 4

1. MONITOR SPEAKER

Monitoring the signal chosen is available by the channel selection switch. It can be adjusted with the channel volume.

2. LEVEL METER

The level of the chosen channel signal is displayed by the channel selection switch.

3. CHANNEL SELECTOR SWITCHES 1-8

Eight switches select any channel’s output to be monitored by the front panel speaker.

4. CHANNEL VOLUME

The selected channel signal is amplified by the internal amplifier and it operates the monitor speaker.

The level of the signal can be increased when the rotator for the channel volume is turned clockwise and decreases when turned counter-clockwise.

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LM-618

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1. LINE INPUT

This is for the connection for the equipment intended for monitoring.

2. DC INPUT TERMINALS

Connect a +24V DC battery source to these terminals. Make certain the red terminal is connected to the battery’s positive (+) side, and the black terminal to the battery’s negative (-) side.

3. LINE OUTPUT

This Jack is for supplying the signal from the power amp with a line output by by-passing the line input signal.

The signal to channel 1 goes directly to the line output without any attenuation.

LM-618

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LINE MONITOR

6

LM-618

AMP 4

AMP 3

AMP 2

AMP 1

MIXER

LM-618

LINE MONITOR

LM-618

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Frequency Response

S/N

Input Sensitivity

Monitor Speaker Output Power

Operation Temperature

Power Source

Power Consumption

Weight (SET)

Dimensions (SET)

* Specifications and design are subject to change without notice.

LM-618

20Hz~20kHz( 1dB)

Better than 95dB

1V

3.4V/8Ω

-10°C ~ +40°C

24V DC

350mA

4.6kg/10.1lb

482(W)x88(H)x380(D)mm /19(W)x3.5(H)x15(D)in

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Procedures

Take steps to insure the problem is not related to operator error or other products within the system. Information provided in the troubleshooting portion of this manual may help with this process. Once it is certain that the problem is related to the product contact your warranty provider as described in the warranty section of this manual.

Schematic

A Schematic is available by contacting your warranty provider.

Parts List

A Parts List is available by contacting your warranty provider.

Warranty terms and conditions vary by country and may not be the same for all products. Terms and conditions of warranty for a given product may be determined first by locating the appropriate country which the product was purchased in, then by locating the product type.

To obtain specific warranty information and available service locations contact Inter-M directly or the authorized Inter-M Distributor for your specific country or region.

LM-618

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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.

13875 Artesia Blvd. Cerritos, CA 90703 USA

TEL : +1-562-921-0313, FAX : +1-562-921-0370

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

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 : [email protected]

MADE IN KOREA

December 2007 9000001521 A