     }
 }
 
+//
+// Draw all bands
+//
 void draw_bands()
 {
     int i;

}

//
// Increase the bar.
//
static void draw_band(int index)
{


#define NB      (11+4)  /* 11 channels plus 2+2 side bands */

static int band[NB];    /* signal levels for bands */

void setup()
{
