ScyTek Electronics ASTRA 777-TC - Manual (Page 35)

Astra 777-TC - Page 31
Two Stage Door Lock Diagrams
The Astra 777-TC is equipped with a dedicated Passenger Unlock output allowing Two Stage
Door Lock operation. When connected as shown below, disarming the system will unlock only
the driver’s door. Pressing the disarm button again will unlock all doors.
Two Stage Negative Trigger
Two Stage Positive Trigger
From Inverter or Relay
From Inverter or
Relay