Garmin GPSMAP 178 Owner's Manual

Also see for GPSMAP 178 Sounder: Specifications

Contents

Garmin GPSMAP 178 Owner's Manual Manual pdf 26 page image

Getting StartedCompass PageCompass PageCurrentDestinationDataFields CompassRingPointerArrowLet’s move on to the GPSMAP 178/178C Sounder’s navigation pages by pressing the PAGE key.Compass PageThe Compass Page provides graphic steering guidance to a destination waypoint, with an emphasison the bearing to your destination and current direction of travel. The middle of the page features a rotat-ing ‘compass ring’ that shows your course over ground (track) while you’re moving, and a bearing pointerthat indicates the direction of the destination (bearing) relative to the course over ground. The compassring and pointer arrow work independently to show—at a glance—the direction of your movementand the direction to your destination. For instance, if the arrow points up, you are going directly to thewaypoint. If the arrow points any direction other than up, turn toward the arrow until it points up—thencontinue in that direction. Bacause the compass rings uses GPS technology, you must be moving in orderfor the track to display properly.The current speed, distance to the next waypoint, turn angle, and time to the next waypoint displayat the top of the screen. When you are not navigating to a waypoint, the compass shows your direction oftravel as you move, but the arrow does not appear.The Compass Page allows for precision navigation to one degree of steerage. The default pagedisplays one row of medium numbers fields. You may customize the Compass Page to display the sizeand number of fields along with the type data you wish to see. (See pages 30-31 for changing the types ofdata.)Press the PAGE key to display the Highway Page.