Radio Shack Invisible Beam Entry Alert Owner's Manual page 13

switch to , the external siren sounds when the beam
ALARM
path is interrupted.
Caution: The external siren sounding device must be rated at
12 VDC, 0.5 A or less.
1. Separate about 2 inches of one end of the two-conductor
wire.
2. Use a wire stripper to remove about
from the end of each conductor, then twist the loose
strands.
3. Use a Phillips screwdriver to loosen the
screw. Then insert one of the conductors into the hole
under the terminal and tighten the screw.
GND
4. Insert the other conductor into the hole under the alert's
terminal, then tighten the screw.
N.O
5. Connect the other end of the wire to the external siren.
6. Cut a 2-inch piece of wire and use a wire stripper to strip
1
about / inch of insulation from both ends, then twist the
4
loose strands.
7. Insert one of the wire ends into the hole under the terminal
at the operating point of the alert's relay (between
), then tighten the terminal's screw.
N.O
8. Insert the other wire end into the hole under the alert's pos-
itive (+) OUTPUT 10–18V DC 0.5A terminal (labeled
), then tighten the terminal's screw.
EXT.DC
1
/ inch of insulation
4
GND
Installation
terminal
and
N.C
13