diff --git a/radar/main.go b/radar/main.go
index 781702f..c43d069 100644
--- a/radar/main.go
+++ b/radar/main.go
@@ -18,6 +18,7 @@ func init() {
 	r = radar_lib.New(config.C.Radar.Port, config.C.Radar.Baud)
 	r.SetEventHandler(onEvent)
 	r.SetSpeedHandler(onSpeedEvent)
+	SetCommunicationConfig()
 }
 
 func onSpeedEvent(speed int) {
@@ -42,15 +43,19 @@ func onEvent(speed int) {
 	printer.PrintTicket(speedingTicket)
 }
 
-func SetConfig(height int, angle int) {
-	r.SetBaseConfig(height, angle, 0)
+func SetConfig(height int, angle int, waveform bool) {
+	if waveform {
+		r.SetBaseConfig(height, angle, 1)
+	} else {
+		r.SetBaseConfig(height, angle, 0)
+	}
 }
 
 func SetSpeedConfig(speed int, minDistance, maxDistance, minSpeed, maxSpeed, triggerDistance int) {
-	r.SetTargetSpeedConfig(radar_lib.DirectionBidirectional, minDistance*2, maxDistance*2, minSpeed, maxSpeed, speed, radar_lib.OutputLogicMostPlausible)
+	r.SetTargetSpeedConfig(radar_lib.DirectionIncoming, minDistance*2, maxDistance*2, minSpeed, maxSpeed, speed, radar_lib.OutputLogicMostPlausible)
 }
 
-func SetBaseConfig() {
+func SetCommunicationConfig() {
 	r.SetCommunicationConfig(radar_lib.PortRS485, radar_lib.Baud115200, radar_lib.OutputTypeNoOutput, radar_lib.OutputTypeNoOutput, radar_lib.OutputTypeNoOutput, 50)
 }
 
diff --git a/radar_lib/main.go b/radar_lib/main.go
index 058368a..872f13d 100644
--- a/radar_lib/main.go
+++ b/radar_lib/main.go
@@ -108,6 +108,7 @@ func (r *Radar) write(data []byte) error {
 	if err != nil {
 		return err
 	}
+	log.Printf("data written")
 	return r.port.Drain()
 }
 
diff --git a/webserver/setup.go b/webserver/setup.go
index 1f8d3c8..d22d0e9 100644
--- a/webserver/setup.go
+++ b/webserver/setup.go
@@ -37,5 +37,6 @@ func HandleSetupSave(ctx *gin.Context) {
 	if err != nil {
 		logrus.Error(err)
 	}
-	radar.SetConfig(cfg.RadarHeight, cfg.RadarAngle)
+	radar.SetConfig(cfg.RadarHeight, cfg.RadarAngle, cfg.RadarWaveform)
+
 }