Radio Shack 49-421A Home Security System User Manual


 
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sounds, silence it by inserting a key and
setting the key switch to Off.
Instant Alarm
To arm the alarm while you are at home,
set the mode switch to Instant Alarm and
set the key switch to On.
The alarm sounds if the secured door or
window is opened and the magnet moves
away from the alarm unit. The alarm con-
tinues to sound until you set the key switch
to Off.
49-421a.fm Page 11 Thursday, August 19, 1999 7:48 AM