Garmin Gps Plus 2 Manual
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55 Reference Selecting a User-Defined Navigation Page (cont.) The ÔETEÕ field, located in the middle of the bottom of both pages, is a user-selectable field that allows you to display a variety of navigation values for your trip. To access the user-selectable field: 1. Highlight ÔETEÕ, and press ENTER. 2. Use the keypad to scroll through the possible options. The following data options are available from the Navigation Pages (see Appendix H): Estimated Time Enroute (ETE)Ñ the time left to your destination based on your present speed and track. Estimated Time of Arrival (ETA)Ñ the time of day of your arrival at a destination, based on current ground speed and track. Course to Steer (CTS)Ñ the bearing which will give you the most efficient way to stay on course to your destination. Crosstrack Error (XTK)Ñ the distance you are off the desired course in either direction. This field will give you a digital representation of the CDI scale. Velocity Made Good (VMG)Ñ the speed you are traveling toward the destination. Turn (TRN)Ñ the amount of correction in degrees needed to travel directly to the destination. gps ii + 8/4/98 3:29 PM Page 55
56 Reference Fig. 56 Using the Compass Page The GPS II +Õs Compass Page (Fig. 56 and p. 57) provides graphic steering guid- ance to a destination waypoint. The middle of the page features a rotating Ôcompass ringÕ that shows your course over ground while youÕre moving (track up), and a pointer arrow that indicates the direction of the destination relative to the direction youÕre mov- ing. The compass ring and pointer arrow work independently to showÑat a glanceÑthe direction of your movement and the direction to your destination. For instance, if the arrow points up, you are going directly to the waypoint. If the arrow points any direction other than up, turn toward the arrow until it points upÑthen continue in that direction. The bearing and distance to a waypoint are displayed at the top of the screen, and your current track and speed are shown below. This page provides better steering guidance than the Highway Page for travel at slower speeds and for travel with many directional changes. When you are one minute away from the destination (based on your current speed and track over the ground), the GPS II +will alert you with a flashing on-screen message box. gps ii + 8/4/98 3:29 PM Page 56
57 Reference Track Over Ground Estimated Time Enroute (User-Selectable Field)Speed Over Ground Distance to Waypoint Graphic Compass Ring Pointer to WaypointDestination Waypoint Bearing to Waypoint gps ii + 8/4/98 3:29 PM Page 57
58 Reference Using the Highway Page The GPS II +Õs Highway Page (Fig. 58 and p. 59) also provides graphic steering guidance to a destination waypoint, with a greater emphasis on the straight-line desired course and the distance and direction you are off course. As you head toward your destination, the middle of the screen provides visual guidance to your waypoint on a moving graphic Òhighway.Ó Your present position is represented by the diamond in the center of the course deviation scale. The line down the middle of the highway represents your desired track. As you navigate toward a waypoint, the highway will actually moveÑindicat- ing the direction youÕre off courseÑrelative to the position diamond on the CDI scale. To stay on course, simply move toward the center of the highway. If you do get off the desired course by more than 1/5th of the selected CDI range, the exact distance you are off course will be displayed where the CDI scale setting normally appears. If you get too far off course (the highway has disappeared), a message box will appear to indicate what course to steer to get back on course. (For information on how to set this scale, see p. 78.) As you approach a waypoint, a horizontal Òfinish lineÓ will move toward the bottom of the highway. When the finish line reaches the CDI scale, youÕve arrived at your destination. Fig. 58 gps ii + 8/4/98 3:29 PM Page 58
59 Reference Track Over Ground Estimated Time Enroute (User-Selectable Field)Speed Over Ground Distance to Waypoint Bearing to WaypointDestination Waypoint Graphic Highway CDI Scale gps ii + 8/4/98 3:29 PM Page 59
60 Reference Map Page The GPS II +features a powerful real-time map (Fig. 60 and p. 61) that can do much more than just plot your course and route. The Map Page also provides you with a target cursor that will let you pan ahead to nearby waypoints, determine the distance and bearing to any map position, and mark new waypoints while you navi- gate. The GPS II + also features dedicated zoom keys for instant zooming (see p. 62). The map portion of the page displays your present position as a diamond icon, with your track and/or route displayed as small points (electronic breadcrumb trail that ÒflashesÓ at a map scale of less than 5 miles.). Nearby waypoints are represented with names, symbols, or comments. You may select which features are shown through the waypoint definition page (see pp. 64-65). The four corners of the Map Page are used to display various navigation data, including the bearing and distance to a destination waypoint and your current track and speed over the ground. The two fields at the top corners of the map show your bearing and distance to one of three selectable destinations: an active destination waypoint; a highlighted on-screen waypoint; or the panning target crosshair. If you are not navigating to a waypoint or using the panning function, the top data fields will not be displayed. Your current track and speed are shown at the bottom corners of the display. Fig. 60 gps ii + 8/4/98 3:29 PM Page 60
61 Reference Bearing to Waypoint Track LogRoute Line Track Over GroundSpeed Over Ground Present Position Panning CursorDistance to Waypoint gps ii + 8/4/98 3:29 PM Page 61
62 Reference Zooming and Panning There are three main functions you can perform from the Map Page: zooming, panning, and pointing. The map has 12 map scales (from 0.2 to 320 miles, or 0.5 to 600 km) which are selected by pressing the IN and OUT zoom keys. These ranges are measured vertically, from the bottom of the screen to the top. To use the zoom keys: 1. From the Map Page, press either IN or OUT (Fig. 62a). 2. To see the current map scale, press and hold either button down. A pop-up window will display the current scale (Fig. 62b). The second function on the Map Page is the pan function, which allows you to move the map with the keypad in order to view areas outside the current map. To activate the pan function: 1. Use the keypad to move the map in any direction, including diagonally. Fig. 62a Fig. 62b gps ii + 8/4/98 3:29 PM Page 62
Zooming and Panning (cont.) As you begin to move the map, a crosshair appears (Fig. 63a). This crosshair will serve as a target marker for the map. The distance and bearing to a destination will be replaced by the distance and bearing from your present position to the target crosshair. When you pan around the map, youÕll notice the target crosshair will ÒsnapÓ to on- screen waypoints and highlight the waypoint name (Fig. 63b). Once a waypoint name is highlighted, you can either review its waypoint definition page (Fig. 63c) or way- point display options, or execute a GOTO function right from the Map Page (Fig. 63d). Fig. 63c Fig. 63d 63 Reference Fig. 63aFig. 63b gps ii + 8/4/98 3:29 PM Page 63
64 To review the waypoint definition page for a highlighted waypoint: 1. Press ENTER while the waypoint is highlighted. From the waypoint definition page, you can also define how each individual way- point is displayed on the map. The GPS II+displays waypoints as a name with a cor- responding symbol (e.g., Ònearest fuelÓ and a gas pump symbol) (Fig. 64a), a symbol only (e.g., a fish symbol) (Fig. 64b), or a 16-character comment and corresponding symbol (e.g., Ògreat viewÓ and the camp site symbol) (Fig. 64c). The waypoint name has a six character limit while the ÔcommentÕ field has a 16-character limit, and there are 16 individual waypoint symbols available. Reference Fig. 64a Fig. 64c Fig. 64b gps ii + 8/4/98 3:29 PM Page 64