Roland KC-350, KC-550 User Manual

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OWNER’S MANUAL

Thank you, and congratulations on your choice of the Roland Keyboard Amplifier KC-550/ KC-350.

These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, Owner’s manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference.

Before using this unit, carefully read the sections entitled:

IMPORTANT SAFETY INSTRUCTIONS (p. 2)

USING THE UNIT SAFELY (p. 3–p. 4)

IMPORTANT NOTES (p. 5)

Main Features

This monitor-speaker amplifier is designed to provide high-quality sound for a variety of sources, including digital keyboards and sound modules.

The amps’ two-way speaker systems consist of a 38 cm (15-inch) speaker (in the KC-550; the KC-350 includes a 30 cm [12-inch] speaker) and horn/tweeter. These amps feature high-power output as well, with the KC-550 outputting 180 watts and the KC-350 120 watts.

The input section features a four-channel stereo mixer. CH 1 is provided with an XLR connector in addition to supporting mic input.

CH 4 includes a select switch that lets you choose the destination for output. This feature rounds out the monitor functions.

The KC-550/KC-350 is equipped with a three-band equalizer. Moreover, when combined with the SHAPE switch, even more tonal variations are possible.

Features a SUBWOOFER OUT jack, allowing connection of a powered subwoofer for playback of even more impressive bass.

Provided with an RCA phono type AUX IN jack, making it easy to connect devices such as CD and MD players.

Equipped with line outs, making it convenient to connect to an external mixer or recorder.

Equipped with STEREO LINK function. Stereo playback is enabled simply by connecting two KC-550 or KC-350 units with a single audio cable (phone type).

Copyright © 2003 ROLAND CORPORATION

All rights reserved. No part of this publication may be reproduced in any form without the

written permission of ROLAND CORPORATION.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

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.

The lightning flash with arrowhead symbol, within an equilateral triangle, 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.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.

IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS

WARNING - When using electric products, basic precautions should always be followed, including the following:

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 a dry cloth.

7.Do not block any of the ventilation openings. Install in accordance with the manufacturers 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. When 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.Never use with a cart, stand, tripod, bracket, or table except as 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.

For the U.K.

WARNING: THIS APPARATUS MUST BE EARTHED

IMPORTANT: THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE. GREEN-AND-YELLOW: EARTH, BLUE: NEUTRAL, BROWN: LIVE

As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbolor coloured GREEN or GREEN-AND-YELLOW.

The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

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Roland KC-350, KC-550 User Manual

Used for instructions intended to alert the user to the risk of death or severe injury should the unit be used improperly.

Used for instructions intended to alert the user to the risk of injury or material damage should the unit be used improperly.

* Material damage refers to damage or other adverse effects caused with respect to the home and all its furnishings, as well to domestic animals or pets.

Before using this unit, make sure to read the instructions below, and the Owner’s Manual.

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• Do not open or perform any internal modifications on the unit.

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Do not attempt to repair the unit, or replace parts within it (except when this manual provides specific instructions directing you to do so). Refer all servicing to your retailer, the nearest Roland Service Center, or an authorized Roland

distributor, as listed on the “Information” page.

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• Never use or store the unit in places that are:

• Subject to temperature extremes (e.g., direct sunlight in an enclosed vehicle, near a heating duct, on top of heat-generating equipment); or are

Damp (e.g., baths, washrooms, on wet floors); or are

Humid; or are

Exposed to rain; or are

Dusty; or are

Subject to high levels of vibration.

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The symbol alerts the user to important instructions or warnings.The specific meaning of the symbol is determined by the design contained within the triangle. In the case of the symbol at left, it is used for general cautions, warnings, or alerts to danger.

The symbol alerts the user to items that must never be carried out (are forbidden). The specific thing that must not be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the unit must never be disassembled.

The symbol alerts the user to things that must be carried out. The specific thing that must be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.

• Make sure you always have the unit placed so it is level and sure to remain stable. Never place it on stands that could wobble, or on inclined surfaces.

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The unit should be connected to a power supply only of the type described in the operating instruc-

tions, or as marked on the unit.

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Do not excessively twist or bend the power cord, nor place heavy objects on it. Doing so can damage the cord, producing severed elements and

short circuits. Damaged cords are fire and shock hazards!

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This unit, either alone or in combination with an amplifier and headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level, or at a level that is uncomfortable. If you experience

any hearing loss or ringing in the ears, you should immediately stop using the unit, and consult an audiologist.

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Do not allow any objects (e.g., flammable material, coins, pins); or liquids of any kind (water, soft drinks, etc.) to penetrate the unit.

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Immediately turn the power off, remove the power cord from the outlet, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page when:

The power-supply cord, or the plug has been damaged; or

If smoke or unusual odor occurs

Objects have fallen into, or liquid has been spilled onto the unit; or

The unit has been exposed to rain (or otherwise has become wet); or

The unit does not appear to operate normally or exhibits a marked change in performance.

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• In households with small children, an adult should provide supervision until the child is capable of following all the rules essential for the safe operation of the unit.

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Protect the unit from strong impact. (Do not drop it!)

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Do not force the unit’s power-supply cord to share an outlet with an unreasonable number of other devices. Be especially careful when using extension cords—the total power used by all devices you have connected to the extension cord’s outlet must never exceed the power rating (watts/amperes) for the extension cord. Excessive loads can cause the insulation on the cord to heat

up and eventually melt through.

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Before using the unit in a foreign country, consult with your retailer, the nearest Roland Service

Center, or an authorized Roland distributor, as listed on the “Information” page.

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To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture and objects filled with liquids, such as vases, should

not be placed on this apparatus.

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The unit should be located so that its location or position does not interfere with its proper venti-

lation.

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• Always grasp only the plug on the power-supply

cord when plugging into, or unplugging from an outlet.

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Any accumulation of dust between the power plug and the power outlet can result in poor insulation and lead to fire. Periodically wipe away such dust with a dry cloth. Also, disconnect the power plug from the power outlet whenever the

unit is to remain unused for an extended period of time.

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• Try to prevent cords and cables from becoming entangled. Also, all cords and cables should be placed so they are out of the reach of children.

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KC-550

If the unit could become a hazard if it moves, all caster wheels should be removed once the unit has

been placed at the place of installation, or has been loaded onto a vehicle.

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Never climb on top of, nor place heavy objects on the unit.

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• Never handle the power cord or its plug with wet hands when plugging into, or unplugging from, an outlet.

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• Before moving the unit, disconnect the power

plug from the outlet, and pull out all cords from external devices.

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• Before cleaning the unit, turn off the power and unplug the power cord from the outlet.

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• Whenever you suspect the possibility of lightning

in your area, pull the plug on the power cord out of the outlet.

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IMPORTANT NOTES

291b

In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2, 3 and 4, please read and observe the following:

Power Supply

301

Do not use this unit on the same power circuit with any device that will generate line noise (such as an electric motor or variable

lighting system).

307

Before connecting this unit to other devices, turn off the power to all units. This will help prevent malfunctions and/or damage to

speakers or other devices.

308

Although the LEDs are switched off when the POWER switch is switched off, this does not mean that the unit has been completely disconnected from the source of power. If you need to turn off the power completely, first turn off the POWER switch, then unplug the power cord from the power outlet. For this reason, the outlet into which you choose to connect the power cord’s plug should be one that is within easy reach.

Placement

351

Using the unit near power amplifiers (or other equipment containing large power transformers) may induce hum. To alleviate the problem, change the orientation of this unit; or move

it farther away from the source of interference.

352a

• This device may interfere with radio and television reception. Do not use this device in the vicinity of such receivers.

352b

Noise may be produced if wireless communications devices, such as cell phones, are operated in the vicinity of this unit. Such noise could occur when receiving or initiating a call, or while conversing. Should you experience such problems, you should relocate such wireless devices so they are at a greater distance

from this unit, or switch them off.

354b

Do not expose the unit to direct sunlight, place it near devices that radiate heat, leave it inside an enclosed vehicle, or otherwise subject it to temperature extremes. Also, do not allow lighting devices that normally are used while their light source is very close to the unit (such as a piano light), or powerful spotlights to shine upon the same area of the unit for extended periods of time.

Excessive heat can deform or discolor the unit.

355b

When moved from one location to another where the temperature and/or humidity is very different, water droplets (condensation) may form inside the unit. Damage or malfunction may result if you attempt to use the unit in this condition. Therefore, before using the unit, you must allow it to stand for several

hours, until the condensation has completely evaporated.

356

Do not allow rubber, vinyl, or similar materials to remain on the unit for long periods of time. Such objects can discolor or

otherwise harmfully affect the finish.

357

Do not put anything that contains water (e.g., flower vases) on the unit. Also, avoid the use of insecticides, perfumes, alcohol, nail polish, spray cans, etc., near the unit. Swiftly wipe away any

liquid that spills on the unit using a dry, soft cloth.

359

Do not paste stickers, decals, or the like to this instrument. Peeling such matter off the instrument may damage the exterior finish.

Do not allow objects to remain on top of the unit while it is in operation.

Maintenance

401a

For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. After-

wards, be sure to wipe the unit thoroughly with a soft, dry cloth.

402

Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation.

For routine care of the carpeted surfaces, use a brush with stiff bristles.

Additional Precautions

553

Use a reasonable amount of care when using the unit’s buttons, sliders, or other controls; and when using its jacks and

connectors. Rough handling can lead to malfunctions.

556

When connecting / disconnecting all cables, grasp the connector itself—never pull on the cable. This way you will avoid causing

shorts, or damage to the cable’s internal elements.

557

• A small amount of heat will radiate from the unit during normal operation.

558a

To avoid disturbing your neighbors, try to keep the unit’s volume at reasonable levels. You may prefer to use headphones, so you do not need to be concerned about those around you (especially

when it is late at night).

559a

When you need to transport the unit, package it in the box (including padding) that it came in, if possible. Otherwise, you

will need to use equivalent packaging materials.

562

Use a cable from Roland to make the connection. If using some other make of connection cable, please note the following precautions.

Some connection cables contain resistors. Do not use cables that incorporate resistors for connecting to this unit. The use of such cables can cause the sound level to be extremely low, or impossible to hear. For information on cable specifications, contact the manufacturer of the cable.

When transporting and storing the KC-550/KC-350, be sure to secure the AC cord to the cord hook on the rear of the main unit.

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