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USING THE UNIT SAFELY

 WARNING

Make sure that the power cord is grounded

Connect mains plug of this model to a 

mains socket outlet with a protective 

earthing connection.

To completely turn off power to the unit, pull out 

the plug from the outlet

Even with the power switch turned off, this 

unit is not completely separated from its 

main source of power. When the power 

needs to be completely turned off, turn 

off the power switch on the unit, then 

pull out the plug from the 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 and 

readily accessible.

Secure a sufficient amount of space at the setup 

location

Since this unit normally emits a slight 

amount of heat, make sure to secure 

sufficient space around it, as shown below.

Front

Side

30 cm (12 in.)

or greater

5 cm (2 in.)

or greater

15 cm (6 in.)

or greater

20 cm (8 in.)

or greater

20 cm (8 in.)

or greater

Do not disassemble or modify by yourself

Do not carry out anything unless you are 

instructed to do so in the owner’s manual. 

Otherwise, you risk causing malfunction.

Do not repair or replace parts by yourself

Refer all servicing to your retailer, the 

nearest Roland Service Center, or an 

authorized Roland distributor, as listed on 

the “Information.”

 WARNING

Do not use or store in the following types of 

locations

•  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

•  Exposed to steam or smoke; or are
•  Subject to salt exposure; or are
•  Exposed to rain; or are
•  Dusty or sandy; or are
•  Subject to high levels of vibration and shakiness; 

or are

•  Placed in a poorly ventilated location.

Do not place in an unstable location

Otherwise, you risk injury as the result of 

the unit toppling over or dropping down.

Connect the power cord to an outlet of the correct 

voltage

The unit should be connected to a power 

supply only of the type described as 

marked on the rear side of unit.

Use only the supplied power cord

Use only the attached power cord. Also, 

the supplied power cord must not be used 

with any other device.

Do not bend the power cord or place heavy objects 

on it

Otherwise, fire or electric shock may result.

Avoid extended use at high volume

Use of the unit at high volume for 

extended periods of time may cause 

hearing loss. If you ever experience any 

hearing loss or ringing in the ears, you 

should immediately stop using the unit 

and consult a specialized physician.

 WARNING

Do not allow foreign objects or liquids to enter 

unit; never place containers with liquid on unit

Do not place containers containing liquid 

(e.g., flower vases) on this product. Never 

allow foreign objects (e.g., flammable 

objects, coins, wires) or liquids (e.g., water 

or juice) to enter this product. Doing so 

may cause short circuits, faulty operation, 

or other malfunctions.

Turn off the unit if an abnormality or malfunction 

occurs

Immediately turn the unit 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” when:

•  The power cord has been damaged; or
•  If smoke or unusual odor occurs; or
•  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.

Be cautious to protect children from injury

Always make sure that an adult is on hand 

to provide supervision and guidance when 

using the unit in places where children 

are present, or when a child will be using 

the unit.

Do not drop or subject to strong impact

Otherwise, you risk causing damage or 

malfunction.

Do not share an outlet with an unreasonable 

number of other devices

Otherwise, you risk overheating or fire.

Do not use overseas

Before using the unit in overseas, consult 

with your retailer, the nearest Roland 

Service Center, or an authorized Roland 

distributor, as listed on the “Information.”

Before using this unit, carefully read “IMPORTANT SAFETY INSTRUCTIONS” (inside front cover), “USING THE UNIT SAFELY” (p. 2), and “IMPORTANT NOTES” (p. 3). After reading, 

keep the document(s) including those sections where it will be available for immediate reference.
Copyright © 2015 ROLAND CORPORATION

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. 

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

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 power-cord 
plug must be unplugged from the outlet. 

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. 

About       WARNING and       CAUTION Notices

About the Symbols

ALWAYS OBSERVE THE FOLLOWING

Summary of Contents for Jazz Chorus-40

Page 1: ...o independent power amps and two custom designed 10 inch speakers the JC 40 delivers a stereo effect and sound that won t get buried in the ensemble 5 5The enclosure is designed for strength and durability made of hardened fiberboard and equipped with corner protectors 5 5If a separately sold footswitch is connected you can turn chorus vibrato reverb and distortion on off with your foot JC 40 Owne...

Page 2: ...ct Never allow foreign objects e g flammable objects coins wires or liquids e g water or juice to enter this product Doing so may cause short circuits faulty operation or other malfunctions Turn off the unit if an abnormality or malfunction occurs Immediately turn the unit off remove the power cord from the outlet and request servicing by your retailer the nearest Roland Service Center or an autho...

Page 3: ...ear 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 This unit may interfere with radio and television reception Do not use this unit in the vicinity of such receivers Noise may be produced if wireless communications devices such as cell phones ...

Page 4: ...ulation FIXED chorus Turns chorus on The SPEED knob and DEPTH knob have no effect their settings are fixed 8 POWER switch Turns the power of the JC 40 on off When the power is on the indicator is lit Turning the Power On Off Once everything is properly connected be sure to follow the procedure below to turn on their power If you turn on equipment in the wrong order you risk causing malfunction or ...

Page 5: ... PHONES jack The sound that is input from the RETURN jacks is not affected by front panel controls 2 5 If you want controls 2 5 to affect this sound connect your equipment to the front panel INPUT L MONO R jacks Make connections after first checking the wiring diagrams of other equipment you intend to connect To prevent malfunction and equipment failure always turn down the volume and turn off all...

Page 6: ...cks 1 4 inch phone type LINE OUT L MONO R jacks 1 4 inch phone type PHONES jack Stereo 1 4 inch TRS phone type FOOT SWITCH CHORUS VIBRATO REVERB DISTORTION jacks 1 4 inch phone type EFFECT LOOP SEND jack 1 4 inch phone type EFFECT LOOP RETURN L MONO R jacks 1 4 inch phone type AC IN jack Power Consumption 43 W Dimensions 592 W x 251 D x 436 H mm 23 5 16 W x 9 15 16 D x 17 3 16 H inches Weight 15 8...

Page 7: ...RETURN L MONO RETURN R PRE AMP SEND SERIES PARALLEL BRIGHT VOLUME TREBLE MIDDLE BASS DISTORTION EFFECT LOOP EFFECT LOOP LOOP REVERB VIBRATO CHORUS INPUT OUTPUT RETURN L MONO RETURN R SEND EFFECT LOOP EFFECT LOOP EFFECT LOOP PRE AMP EXTERNAL EFFECT UNIT S L R REVERB VIBRATO CHORUS INPUT OUTPUT RETURN L MONO SEND EFFECT LOOP EFFECT LOOP RETURN R EFFECT LOOP PRE AMP EXTERNAL EFFECT UNIT S L R ...

Page 8: ......

Page 9: ...For EU Countries For China ...

Page 10: ...ce by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC Rules Operation is subject to the foll...

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