Roland RD-500 - Page 8

Power Supply
Placement
Maintenance
in addition to the items listed under Safety Precautions inside the front cover, please read and
observe the following:
@ Before connecting this unit to other devices, turn off the power to all units; this will help
prevent damage or malfunction.
@ Do not use this unit on the same power circuit with any device that will generate line
noise; an electric motor or variable lighting system for example.
@ Using the unit near power amplifiers (or other equipment containing large power
transformers) may induce hum.
@ This device may interfere with radio and television reception. Do not use this device in the
vicinity of such receivers.
@ 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 mild, non-abrasive detergent.
Afterwards, be sure to wipe the unit thoroughly with a soft, dry cloth.
@ Never use benzene, thinners, alcohol or solvents of any kind, to avoid the possibility of
discoloration and/or deformation.
Additional Precautions
@ Protect the unit from strong impact.
@ Never strike or apply strong pressure to the display.
@ A small amount of heat will radiate from the unit during normal operation.
@ Before using the unit in a foreign country, consult with qualified service personnel.
Memory Backup
@ This unit contains a battery which powers the unit’s memory circuits while the main (AC)
power is off. The expected life of this battery is 5 years or more.
@ When the battery becomes weak the following message will appear in the display:
bAk
Please change the battery as soon as possible to avoid the loss of memory data.
@ Please be aware that the contents of memory may at times be lost; when the unit is sent
for repairs or when by some chance a maifunction has occurred. important data should
be stored in another MIDI device (eg., a sequencer), or written down on paper (if possible).
@ During repairs, due care is taken to avoid the loss of data. However, in certain cases
(such as when circultry related to memory itself is out of order), we regret that it may not
be possible to restore the data. ;