Installation Instructions G5 - Revision C, September 2019
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3M™ Drive-Thru System Model G5
Installation Instructions G5
Revision C, September 2019
• Adjust the sensitivity of vehicle detection by manipulating the top two dip switches.
• Enable or disable a two-second detection delay by manipulating the third switch
• Choose presence or pulse detection by manipulating the fourth switch.
Figure 20.
Vehicle Detector LED
There are two small LEDs on the vehicle detector that can be in one of three states when powered and operating:
• Steady green – indicates that power is applied and no vehicle is currently detected.
• Flashing green, single flash every 1.5 seconds – indicates an open loop fault (a wire is disconnected or severed).
• Flashing green, double flash every 1.5 seconds – indicates a shorted loop fault (the loop wires are making unwanted contact
at some point before they reach the loop detector).
• Steady red – indicates that power is applied and a vehicle is currently detected.
The vehicle detector fails closed; therefore, if there is a fault, the system assumes that there is a vehicle present.
Greeter Alert Trigger Inputs
The Greeter functionality is built into the G5 Basestation Model G5B1. In addition to playing back a Greet message to the customer at the
order point and/or playing a Reminder message at a scheduled time of day, the user can also program the system to play back an Alert
message whenever an external event occurs, such as opening the back door or opening the refrigerator.
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