Hazard and Horn Reminder
When smart entrance control unit receives LOCK or UNLOCK signal from remote controller with all doors closed, ground is supplied
to multi-remote control relay terminal 2
through smart entrance control unit terminal 7, and
to horn relay terminal 2
through smart entrance control unit terminal 19
Multi-remote control relay and horn relay are now energized, and hazard warning lamp flashes and horn sounds as a reminder.
The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).