Radio Shack Passive Owner's Manual page 21

the indicator flashes every second for about 30 sec-
onds, then the alarm siren sounds and the indicator
stays on.
The alarm siren sounds for up to 2 minutes. To stop it
sooner, disarm the alarm (see "Disarming"). If you do
not disarm the alarm, the sensor alarm is still armed
and the siren will sound again the next time the sen-
sor detects motion.
Disarming
To disarm the sensor alarm and stop the alarm from
sounding, enter your four-digit security code. The
main unit beeps twice when you enter the correct
code.
To temporarily silence the alarm using the remote
control, which gives you time to enter your security
code, follow these steps.
1. Press
DISARM
The alarm stops sounding for about 30 seconds.
During this pause, the main unit beeps every
second and its red indicator flashes.
2. Enter your four-digit security code within 30 sec-
onds. Otherwise, the alarm will sound again.
on the remote control.
Operation
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