User's Manual

Driveway Alert 3
Transmitter/Sensor
Driveway
Next To
Driveway
Receiver
• TheTransmitterisplacedimmediatelynexttothedriveway,soitcanmaximallycoverthedrivewaycondition.
 WhenacarpassesinfrontoftheTransmitter,astringofdataistransmittedtoitsReceiverbymeansof
 433MHzCarrierFrequency.ItisofAmplitudeShiftKeying(ASK)type.Afterreceivingthedata,theBuzzer 
 wouldgive“Beep”twice,andtheVisitAlertLED(green)wouldash3timesandremainlitup,untiltheRESET
 buttonispressed.
 WhentheLowBatteryLED(red)lightsup,the2xCsizedbatteriesinthetransmittershouldbereplacedASAP.
System Operation
Receiver Operation
• AftertheReceiverisconnectedtothePowerthroughtheexternalPowerAdaptor,thePowerLEDonFront 
 Panelwilllightup,andtherewillbeaconrmation“Beep”tone.
Transmitter Operation
Low Battery LED
Receiver