Many features of the GPS III Pilot are menu driven. Each of the main pages has anoptions menu, allowing you to custom tailor the corresponding page to your prefer-ences and/or select special features which specifically relate to that page.To display the HSI Page Options, press MENU (with the HSI Pagedisplayed).The following options are available:Set OBS and Hold— allows you to manually define the course to your destina-tion waypoint. Once selected, the GPS III Pilot will use the OBS course setting forsteering guidance with the CDI and desired course pointer.NOTE: When using the GPS III Pilot’s route features, ‘Set OBS and Hold’ will pre-vent the unit from automatically sequencing to the next route waypoint. To maintainthe OBS course and retain automatic sequencing, you must also select the ‘ReleaseHold’ option, described on the following page.To manually set a course to the destination waypoint:1. Highlight ‘Set OBS and Hold’ and press ENTER. An OBS data field will appear on theHSI display.2. Select the desired OBS course using the LEFT/RIGHT keys on the rocker keypad andpress ENTER. The D-bar on the CDI and the desired course pointer will now providesteering guidance to the selected course.To cancel the OBS course and reset a direct course to the waypoint, pressGOTO and ENTER (or re-activate the route).The ‘Set OBS and Hold’option allows you to specifyan inbound heading to adestination waypoint.Use the rocker keypad toselect the desired OBSheading. Note the heading atbottom center of HSI display(155° in this example).41REFERENCEHSI Page Options#?