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Radio Shack 420 User Manual

Page 9

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9

1. Make sure the system is unplugged from the telephone

line and AC power.

2. Use a Phillips screwdriver to remove the screw in the

battery compartment cover on the bottom of the system,
then remove the cover.

3. Insert fresh batteries into the compartment as indicated

by the polarity symbols (+ and –) marked inside the com-
partment.

4. Replace the cover and secure it with the screw.

Note: When

appears on the display or the display dims,

replace the batteries.

43-971.fm Page 9 Monday, August 16, 1999 4:12 PM