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4
INSTALLATION
INSTALLING A BATTERY
Your intercom system uses one 9-volt battery for
power. For the best performance and longest life,
we recommend an alkaline battery, such as Ra-
dioShack Cat. No. 23-553.
Caution:
Use only a fresh battery of the required
size and recommended type.
1. With the master station (the unit with the vol-
ume control) face up, open its case by inserting
a coin into the slot between the top and bottom
of the case and twisting the coin. Lift off the top
case and lay it face down on a flat surface.
43-222b.fm Page 4 Thursday, August 12, 1999 3:55 PM