Roland KR-115 业主指南

 

291b

 

301

 

• Do not connect this unit to same electrical outlet that is being used 

by an electrical appliance that is controlled by an inverter (such as 
a refrigerator, washing machine, microwave oven, or air condi-
tioner), or that contains a motor. Depending on the way in which 
the electrical appliance is used, power supply noise may cause this 
unit to malfunction or may produce audible noise. If it is not 
practical to use a separate electrical outlet, connect a power supply 
noise filter between this unit and the electrical outlet.

 

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 LCD and 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 and readily 
accessible.

 

306b

 

• Batteries are supplied with the unit. The life of these batteries may 

be limited, however, since their primary purpose was to enable 
testing.

 

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.

 

358

 

• Do not allow objects to remain on top of the keyboard. This can be 

the cause of malfunction, such as keys ceasing to produce sound.

 

359

 

• Do not paste stickers, decals, or the like to this instrument. Peeling 

such matter off the instrument may damage the exterior finish.

 

401b

 

• Since your piano has a polished finish that is as delicate as that 

found on finely crafted wooden furniture, it needs careful, 
periodic care. A few important suggestions concerning the proper 
care of the unit follow.

• For dusting, using a soft, clean cloth and/or piano-use feather 

duster. Be sure to wipe gently. Even the tiniest grains of sand 
or grit can leave scratches on the surface if too much force is 
applied while wiping.
Do not use any cleaners or detergents, since they might deteri-
orate the surface of the cabinet, and produce cracks.

• If the cabinet’s surface loses its luster, wipe it thoroughly with 

a soft cloth dampened with a little of the polishing liquid.
Do not use any cleaners or detergents, since they might deteri-
orate the surface of the cabinet, and produce cracks. Do not use 
dusting cloths that contain chemicals.

 

402

 

• Never use benzine, thinners, alcohol or solvents of any kind, to 

avoid the possibility of discoloration and/or deformation.

 

403

 

• The pedals of this unit are made of brass.

Brass eventually darkens as the result of the natural oxidization 
process. If the brass becomes tarnished, polish it using commer-
cially available metal polisher.

 

452

 

• Please be aware that all data contained in the unit’s memory may 

be lost when the unit is sent for repairs. Important data should 
always be backed up on an external memory, or written down on 
paper (when possible). During repairs, due care is taken to avoid 
the loss of data. However, in certain cases (such as when circuitry 
related to memory itself is out of order), we regret that it may not 
be possible to restore the data, and Roland assumes no liability 
concerning such loss of data.

 

Add

 

• While the automatic keyboard is in operation, avoid doing 

anything that could hamper the action of the keys, such as using 
undue force to press a key, or forcing up a depressed key. By 
doing so, you risk causing malfunction.

 

551

 

• Please be aware that the contents of memory can be irretrievably 

lost as a result of a malfunction, or the improper operation of the 
unit. To protect yourself against the risk of loosing important data, 
we recommend that you periodically save a backup copy of 
important data you have stored in the unit’s memory on an 
external memory.

 

552

 

• Unfortunately, it may be impossible to restore the contents of data 

that was stored on an external memory once it has been lost. 
Roland Corporation assumes no liability concerning such loss of 
data.

 

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.

 

554

 

• Never strike or apply strong pressure to the display.

 

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.

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