REDBACK A 4505B 7 Day Timer with Lockdown and Fire Alarm Control User Guide
Learn how to set up and program the A 4505B 7 Day Timer with Lockdown & Fire Alarm Control. This Redback® product features 50 switching times and 14 MP3 playback options for emergency warnings. Discover how to use the timing functions and activate the lockdown and fire alarm controller for building emergencies.