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8
SETTING UP
This section contains information about setting up your PortaTone for playing.
Make sure to read this section carefully before using the instrument.
■ When the Batteries Run Down
When the batteries run low and the battery
voltage drops below a certain level, the
PortaTone may not sound or function properly.
As soon as this happens, replace them with a
complete set of six new batteries.
• Never mix old and new batteries or different types of
batteries (e.g., alkaline and manganese).
• To prevent possible damage from battery leakage, remove
the batteries from the instrument if it is not to be used for a
long time.
BATTERIES 1.5V
x
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POWER REQUIREMENTS
Although the PSR-270 will run either from an
optional AC adaptor or batteries, Yamaha rec-
ommends use of an AC adaptor whenever
possible. An AC adaptor is more environmen-
tally friendly than batteries and does not deplete
resources.
Never interrupt the power supply (e.g. remove the batteries or
unplug the AC adaptor) during any PSR-270 record operation!
Doing so can result in a loss of data.
Using an AC Power Adaptor
To connect your PortaTone to a wall socket, you
will need the optionally available Yamaha PA-3B
Power Adaptor. Use of other AC adaptors could
result in damage to the instrument, so be sure to
ask for the right kind. Connect one end of the
adaptor to the DC IN 10-12V jack on the rear
panel of your PortaTone, and the other end to a
suitable electrical outlet.
• Use ONLY a Yamaha PA-3B AC Power Adaptor (or other
adaptor specifically recommended by Yamaha) to power your
instrument from the AC mains. The use of other adaptors may
result in irreparable damage to both the adaptor and the PSR-
270.
• Unplug the AC Power Adaptor when not using the PSR-270,
or during electrical storms.
Using Batteries
■ Inserting Batteries
Turn the instrument upside-down and remove
the battery compartment lid. Insert six 1.5-volt
size “D” (SUM-1, R-20 or equivalent) batteries as
shown in the illustration, making sure that the
positive and negative terminals are properly
aligned, and replace the lid.
TURNING ON THE POWER
With the AC power adaptor connected or with
batteries installed, simply press the power switch
until it locks in the ON position. When the
instrument is not in use, be sure to turn the
power off. (Press the switch again so that it
pops up.)
Even when the switch is in the “STANDBY” position, electricity
is still flowing to the instrument at the minimum level. When
you are not using the PSR-270 for a long time, make sure you
unplug the AC power adaptor from the wall AC outlet, and/or
remove the batteries from the instrument.
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