When the sound distorts or weakens, replace the batteries.
Warning: Dispose of old batteries promptly and properly. Do not burn or bury them.
Caution: If you do not plan to use the
USING AC POWER
You can power the
Cautions:
You must use a Class 2 power source
!that supplies 3V DC and delivers at least 300 mA. Its center tip must be set
to negative and its plug must fit the
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