Although printing quality is not the best, the manual was very helpful in order to reactivate this ancient but still good electronic musical instrument.
Text excerpt from page 7 (click to view)
BEFORE USING FOR THE FIRST TIME
Putting batteries in the remote control
The battery compartment is located on the back of the remote control. 1. Insert a finger in the recess under the battery compartment cover, and pull off the cover.
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Remove batteries from the remote control if it is not going to be used for a long period of time. Remove dead batteries and dispose of them properly. Never leave dead batteries lying around, take them apart, mix them with other refuse, or throw them into an incinerator. Never touch liquid that has leaked out of a battery. Do not mix new and old batteries, or batteries of different types, when replacing them.
2. Place the two accessory R6P (SUM-3)/AA (15F) batteries in the remote control according to the polarity markings (â+â and âââ) inside the compartment and on the batteries.
3. Insert the two tabs of the cover in their respective slots, and snap the cover in place.
The batteries last about one year with normal use. If function of the remote control become erratic, replace the batteries. Precautions for the safe use of batteries Observe the following precautions for the safe use of batteries. Their life will be shortened, they may burst or their contents may leak if they are used improperly.