     else
       Serial.print("Disabled ");
 
-    Serial.print(rate * 2);
+    Serial.print(rate * 4);
     Serial.println("uS");
 
   }

        if (rate < 100) rate = 100;
        Timer1.setPeriod(rate);
        break;
    }



    digitalWrite(10, states[state]);
    digitalWrite(9, states[state + 1 & 0x3]);
    state = (state + dir) & 0x3;
    count--;
    if (count == 0) 
      enable = false;
  }
}

