09/25/02 GPS_field_guide 8:19 A9/P919The 'MARK WAYPOINT' option pageOnce the GPS receiver has been set-up and that the user has found an open area for thereading, this page will allow the user to visualise his location (Figure 19). The otherinformation or options reported on this page will not be used in the context of the WHS.Figure 19 - the 'MARK WAYPOINT' option pageThe 'SETUP' option pageThe 'SETUP' option page (Figure 20) allows the user to customize the eTrex. This pagecontains a list setup pages. In the context of the WHS survey we only need to deal with twoof them: the 'UNITS' and 'SYSTEM' ones (the 'DISPLAY' page corresponds to the samepage as the one described under section 3.2.3.1).To access the desired setup you have to highlight its name in the list using the 'UP' or'DOWN' buttons and press the 'ENTER' button.Figure 20 - The 'SETUP' option page