 void pingDetail(){
 	radioDrive();
 	setCustomChars(HORZ);
-	int activePing = active;
+	int activePing = active%3;
 
 	lcd.setCursor(0,0);
 		lcd.print("Ping #");

float RPMtoMPH = ((5. *PI)*60.)/(63360.*(37./13.));
float STPtoFeet = (5. *PI)/(12.*100.*(37./13.));

const int numWindows = 8;
void (*window[numWindows])() = { &pingDetail, &pingExpo, &Auto, &Manual, &QTI, &IR};
enum charSet currentCharSet;
enum buttonSet currentButton;
bool onRise=false, longRise = false;


Servo drive, steer;

int active=3;

void setup(){
	lcd.begin (20,4);
