The sounder has a selectable auto cut-off timer, typically 5 seconds for testing or 15 minutes for standard operation. Maintenance & Troubleshooting
Connect the ENG terminal to a switched output on your panel to allow quiet maintenance without triggering the siren when opening the cover. elmdene 7422-sfg-g3f manual
Features microprocessor control, hold-off supply failure detection, and automatic battery/piezo self-testing. Installation Guide The sounder has a selectable auto cut-off timer,
Tamper Return and Tamper Supply (connect to panel tamper zone). hold-off supply failure detection