Functional Characteristics When in depth sounder mode, the GEONAV displays the naviga- tion window in the screen upper part, and, in the bottom part, the sea depth in graphic form. The depth value can be expressed in meters (selected by default), feet and fathoms; press The GEONAV enters the Navigation mode as soon as the internal or external BOAT GPS marine receiver transmits a valid fix; when in Navigation mode: ?The manual cursor is not displayed ?The depth sounder window can be accessedThis mode is also called automatic because the unit automati-cally selects the chart scale and updates the boat’s position on the screen. To make the installation easy, the GEONAV can use either its own internal GPS receiver or an external receiver, depending on where the unit is to be installed (indoor or outdoor). To select the internal/external GPS, press Depth sounder Navigation mode (Automatic) Internal or external GPS To switch the GEONAV on, press the Switching on/Switching off the unit This chapter describes some of the most important functionsof the GEONAV, as well as the terms most commonly used in this document. FUNCTIONAL CHARACTERISTICS PWR key pressed for more than 1 second. PAGE to display the menu, select SETUPand then DEPTH UNITS (M/FT/FA). PWR PAGE key. To switch itoff, keep the to display themenu, select SETUP, then GPS INT or GPS EXT. 24 When in Cursor mode, the manual cursor is displayed. It is possible to edit a route, insert or delete markers, display navaid information etc., but it is not possible to gain access to the depth sounder window. By pressing one of the four arrows in the Cursor mode (Manual) Charts are traditionally displayed in north-up mode. This, however, does not correspond to reality. For example, when traveling southwards, the chart shows, on the right side of the boat, what is actually located on the left side, and vice versa. The Chart Rotation function allows ro- tating the electronic chart displayed ac- cording to the plotted route (COG - Course Over Ground) as detected by the GPS receiver. Since the COG value var- ies continuously, a filter has been in- serted to prevent the chart from bounc- ing. To activate the Chart Rotation function, press Chart rotation With the Autozoom function the GEONAV will always display automati- Autozoom CURSOR PAGE to display the menu, selectSETUP, then CHART ROTATION and ON. A message will prompt the user to select the requested maximum range be- fore activating the chart rotation. The northern direction will be indi- cated by the symbol . key, the unit switches from Navigation to Cursormode, and the screen is centered in relation to the manual cursor. To return to Navigation mode press PAGE Without rotation With rotation . EnglishEnglish 25