Sony SA-Z1 Operating Instructions Manual page 7

Inserting the batteries
Insert the supplied size AAA (R03) batteries.
Notes
• Do not leave the remote control somewhere
extremely hot or humid.
• Do not use a new battery and an old one
together.
• Do not mix different kinds of batteries.
• If you do not intend to use the remote control
for an extended period of time, remove the
batteries to avoid possible damage from battery
leakage and corrosion.
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