Yamaha PSR-620 Owner's Manual - Page 5

Taking Care of Your PortaTone - midi

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Taking Care of Your PortaTone Your PortaTone will give you years of playing pleasure if you follow the simple rules given below: s Location Do not expose the instrument to the following conditions to avoid deformation, discoloration, or more serious damage. q Direct sunlight (e.g. near a window). q High temperatures (e.g. near a heat source, outside, or in a car during the daytime). q Excessive humidity. q Excessive dust. q Strong vibration. s Power Supply q Turn the power switch OFF when the instrument is not in use. q An AC adaptor, if used (the PSR-620 runs from either batteries or an optional AC adaptor), should be unplugged from the AC outlet if the instrument is not to be used for an extended period of time. q Unplug the AC adaptor during electric storms. q Avoid plugging the AC adaptor into the same AC outlet as appliances with high power consumption, such as electric heaters or ovens. Also avoid using multi-plug adaptors since these can result in reduced sound quality, operation errors, and possibly damage. s Turn Power OFF When Making Connections q To avoid damage to the instrument and other devices to which it is connected, turn the power switches of all related devices OFF prior to connecting or disconnecting MIDI cables. s Handling and Transport q Never apply excessive force to the controls, connectors or other parts of the instrument. q Always unplug cables by gripping the plug firmly, not by pulling on the cable. q Disconnect all cables before moving the instrument. q Physical shocks caused by dropping, bumping, or placing heavy objects on the instrument can result in scratches and more serious damage. s Cleaning q Clean the cabinet and panel with a dry soft cloth. q A slightly damp cloth may be used to remove stub- born grime and dirt. q Never use cleaners such as alcohol or thinner. q Avoid placing vinyl objects on top of the instru- ment (vinyl can stick to and discolor the surface). s Electrical Interference q This instrument contains digital circuitry and may cause interference if placed too close to radio or television receivers. If this occurs, move the instrument further away from the affected equipment. s Data Backup q Internal data (e.g. Registration Memory data) is retained in memory even if the power switch is turned OFF as long as backup batteries are installed or the AC plug is connected. The internal memory can, however, be corrupted by incorrect operation. Be sure to save important data to floppy disk frequently so you have a backup to revert to if the data in memory is accidentally damaged. Also note that magnetic fields can damage data on floppy disks, so it is advisable to make a second backup copy of disks that contain particularly important data. Always keep backup disks in a safe place away from stray magnetic fields (e.g. those produced by speakers, appliances containing motors, etc.). More important precautions for floppy disk use are given in the "Floppy Disk" section begining on page 64. s Service and Modification q The PSR-620 contains no user serviceable parts. Opening it or tampering with it in anyway can lead to irreparable damage and possibly electric shock. Refer all servicing to qualified YAMAHA personnel. YAMAHA is not responsible for damage caused by improper handling or operation. 3

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3
YAMAHA is not responsible for damage caused by improper handling or operation.
Taking Care of Your PortaTone
Your PortaTone will give you years of playing pleasure if you follow the simple rules given below:
■
Location
Do not expose the instrument to the following con-
ditions to avoid deformation, discoloration, or more
serious damage.
●
Direct sunlight (e.g. near a window).
●
High temperatures (e.g. near a heat source, outside,
or in a car during the daytime).
●
Excessive humidity.
●
Excessive dust.
●
Strong vibration.
■
Power Supply
●
Turn the power switch OFF when the instrument is
not in use.
●
An AC adaptor, if used (the PSR-620 runs from
either batteries or an optional AC adaptor), should
be unplugged from the AC outlet if the instrument
is not to be used for an extended period of time.
●
Unplug the AC adaptor during electric storms.
●
Avoid plugging the AC adaptor into the same AC
outlet as appliances with high power consumption,
such as electric heaters or ovens. Also avoid using
multi-plug adaptors since these can result in re-
duced sound quality, operation errors, and possibly
damage.
■
Turn Power OFF When Making
Connections
●
To avoid damage to the instrument and other de-
vices to which it is connected, turn the power
switches of all related devices OFF prior to con-
necting or disconnecting MIDI cables.
■
Handling and Transport
●
Never apply excessive force to the controls, con-
nectors or other parts of the instrument.
●
Always unplug cables by gripping the plug firmly,
not by pulling on the cable.
●
Disconnect all cables before moving the instru-
ment.
●
Physical shocks caused by dropping, bumping, or
placing heavy objects on the instrument can result
in scratches and more serious damage.
■
Cleaning
●
Clean the cabinet and panel with a dry soft cloth.
●
A slightly damp cloth may be used to remove stub-
born grime and dirt.
●
Never use cleaners such as alcohol or thinner.
●
Avoid placing vinyl objects on top of the instru-
ment (vinyl can stick to and discolor the surface).
■
Electrical Interference
●
This instrument contains digital circuitry and may
cause interference if placed too close to radio or
television receivers. If this occurs, move the instru-
ment further away from the affected equipment.
■
Data Backup
●
Internal data (e.g. Registration Memory data) is
retained in memory even if the power switch is
turned OFF as long as backup batteries are in-
stalled or the AC plug is connected. The internal
memory can, however, be corrupted by incorrect
operation. Be sure to save important data to floppy
disk frequently so you have a backup to revert to if
the data in memory is accidentally damaged. Also
note that magnetic fields can damage data on
floppy disks, so it is advisable to make a second
backup copy of disks that contain particularly im-
portant data. Always keep backup disks in a safe
place away from stray magnetic fields (e.g. those
produced by speakers, appliances containing mo-
tors, etc.). More important precautions for floppy
disk use are given in the “Floppy Disk” section
begining on page 64.
■
Service and Modification
●
The PSR-620 contains no user serviceable parts.
Opening it or tampering with it in anyway can lead
to irreparable damage and possibly electric shock.
Refer all servicing to qualified YAMAHA person-
nel.