Yamaha Portatone PSR-18, Authorized Product Manual

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Power Supply
Your PSR-18 will run either from batteries (sold separately) or an optional power
adaptor. Follow the instructions below according to the power source you intend
to use.
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Using Batteries
Six 1.5V D size (SUM-1 or R-20) or equivalent alkaline batteries (sold separately)
must first be installed in the battery compartment.
1. Open the battery compartment cover located on the instrument’s bottom panel.
2. Insert the six batteries, being careful to follow the polarity markings on the
cabinet.
3. Replace the compartment cover, making sure that it locks firmly in place.
Caution:
1. When the batteries run down, replace them with a complete set of six new bat-
teries. NEVER mix old and new batteries.
2. To prevent possible damage due to battery leakage, remove the batteries from
the instrument if it is not to be used for an extended period of time.
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Using An Optional Power Adaptor
Plug the DC output cable from an optional PA-3, PA-4 or PA-40 Power Adaptor
into the DC(9-12V)IN jack on the rear panel, then plug the adaptor into a conve-
nient wall AC power socket.
Use ONLY a Yamaha PA-3, PA-4 or PA-40 Power Adaptor to power your in-
strument from the AC mains. Attempting to use other AC adaptors could result
in serious damage to your PSR-18.
Using Headphones or an External
Sound System
The Rear-panel HEADPHONES/AUX. OUT Jack
A standard pair of stereo headphones can be plugged in here for private practice
or late-night playing. The internal stereo speaker system is automatically shut off
when a pair of headphones is plugged into the HEADPHONES/AUX. OUT jack.
The HEADPHONES/AUX. OUT jack can also be used to deliver the output of
the PSR-18 to a keyboard amplifier, stereo sound system, mixing console or tape
recorder. Use the optional Yamaha connecting cord to connect the HEAD-
PHONES/AUX. OUT jack to your sound system.
Setting Up & Removing the
Music Stand
The PSR-18 is supplied with a music stand that can be attached to the instrument
by inserting the two pegs extending from its lower edge into the corresponding
holes on the rear-panel of the instrument.
To remove the music stand, remove the pegs from the holes while leaning the stand
toward the keyboard.