Fire Alarm Test #14
108.5 هزار بار بازدید -
9 سال پیش
-
Test of a Simplex 4100U
Test of a Simplex 4100U voice system on a college campus. Once I activate the alarm my partner at the panel quickly silences it & we then begin speaker testing with my partner "keying" the mic at the panel every 10 sec or so while I walk the floors.
9 سال پیش
در تاریخ 1394/08/20 منتشر شده
است.
108,511
بـار بازدید شده