Radio Shack 420 Caller ID Box User Manual


 
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