Rino ® 120 Owner’s Manual 77U NIT OPERATION > SETUP PAGESDisplay—Allows you to choose from Cardinal Letters,Degrees or Mils.North Reference—You can choose from True, Magnetic,Grid or User options. If User is chosen, you must correctfor the Magnetic Variation.To select either option:1. Highlight the field and then press the ThumbStick In to display the options.2. Highlight the option and press the Thumb Stick Into activate.Interface Setup PageThe Interface Setup Page allows you to choose fromdifferent input/output serial data formats. This featureis used when connecting to external NMEA devices, aDGPS beacon receiver, a personal computer, etc. See the“Appendix” for using the Rino 120 with MapSource.To access the Interface Setup Page:1. Press the Page key or the Menu icon to openthe Main Menu.2. In the Main Menu, scroll down and select Setup.3. Select the Interface icon to open the InterfaceSetup Page.Interface Setup PageThe available interface formats are:Garmin—The proprietary format used to exchangewaypoint, track, and map data with a PC. Use this settingfor transferring data when using a MapSource product.Garmin DGPS—Allows DGPS input using a Garminbeacon receiver and a standard RTCM SC-104 and DGPStuning.