Customizing Your DeviceRino 650 Owner’s Manual 27• Filter—filters a geocache list forcertain factors, such as level ofdifficulty.• chirp™ Searching—turns on or offchirp searching. A chirp is a smallaccessory that you can program andleave in a geocache.• Program chirp™—programs thechirp accessory. See the chirpOwner’s Manual at www.garmin.com.Routing SettingsSelect Setup > Routing.• Guidance Method—sets thecalculation and guidance methodfor your routes.◦ off Road—calculates point-to-point routes.◦ on Road For time—calculateson-road routes that requireminimal time to drive.◦ on Road For Distance—calculates on-road routes thatare shorter in distance.◦ Prompted—allows you toselect a route calculation modebefore navigating.• Calculates Routes for—optimizesthe routes for the selectedtransportation method.• Lock on Road—locks theposition icon, which representsyour position on the map, onto thenearest road.• off Road transitions◦ Auto—automatically routes youto the next point.◦ Manual—allows you to selectthe next point on the route.◦ Distance—routes you to thenext point on the route whenyou are within a specifieddistance of your current point.