5
IMPORTANT NOTES
Power Supply
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 conditioner), 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.
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.
354a
• 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. 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 conden-
sation has completely evaporated.
360
• Depending on the material and temperature of the surface on which
you place the unit, its rubber feet may discolor or mar the surface. You
can place a piece of felt or cloth under the rubber feet to prevent this
from happening. If you do so, please make sure that the unit will not
slip or move accidentally.
361
• Do not put anything that contains water (e.g., flower vases) on this
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.
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. Afterwards,
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.
Repairs and Data
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
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.
Memory Backup
501b
• This unit contains a battery which powers the unit's memory circuits
while the main power is off. When this battery becomes weak, the
message shown below will appear in the display.
[Internal battery is low]
Once you see this message, have the battery replaced with a fresh one
as soon as possible to avoid the loss of all data in memory. To have
the battery replaced, consult with your retailer, the nearest Roland
Service Center, or an authorized Roland distributor, as listed on the
"Information" sheet.
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