Yamaha PS-35/PS-55 PortaTone User Manual

About this manual

This manual covers the Yamaha PS-35 and PS-55 PortaTone electronic keyboards. It details the three-way power system, which allows operation via internal batteries, household current using the optional PA-4 adaptor, or a car battery using the CA-1 adaptor. The document includes instructions for inserting batteries and attaching the music rest.

What's inside

• Nomenclature
• Starting to play
• Obtaining more voice variety
• Using the built-in drummer
• Adding bass and strumming chords
• Playing a melody backed by automatic accompaniment
• Playing a melody accompanied by rippling chords
• Adding harmony to the melody
• Using the Transposer
• Memory system

Frequently asked questions

How many batteries are required to power the PortaTone?

The instrument requires six 1.5V SUM-1, "D" size, R-20, or equivalent alkaline batteries.

What is the correct procedure for removing the music rest?

Turn the keyboard over and slide the plastic plate towards you; do not lift the metal frame.

Which specific power adaptor is required for household current?

You must use model PA-4, as no other adaptor is usable for this purpose.