At upper part of display Slide from left to right to increase the Partial Counter or Slide from right to left do decrease the Partial Counter At lower part of display Slide from left to right to increase the Note Number or Slide from right to left do decrease the Note Number GpsTrip is a simple GPS odometer measure km / Miles: - There are two measure, one measure Total and another measure Partial. - Information coordinates on Decimal, Degrees Minutes, Degrees Minutes and Seconds, UTM and MGRS.