Gentex Corporation GHLFR 27/02 In addition to back up

In addition to back up amplifiers each SIGA amplifier has an on board 1kHz tone generator that can activate in the event of input failure or if no back up amplifier is available

once a security system is disarmed upon entry

They are precision-timed to meet UL 1971 synchronization standards

shafts (other than stairwells)

Gentex Corporation GHLFR 27/02 In addition to back upThe GHLF is a high quality, low profile, low frequency audible appliance that offers a dependable audible alarm with a low current draw. The GHLF is ideal for any occupancy that requires notification appliances. The GHLF horn offers a 520 Hz square wave, temporal 3 tone. A jumper selection is available for normal or loud decibel tone. A temporal 4 pattern is available when used with the Gentex GTSM Synchronization Control Module. The GHLF is shipped