Garmin GPSMAP 76 Owner's Manual - Page 66
Satellite Information, Satellite Strength Indicator Bars, Date, Time, and Current Location - 60
UPC - 753759029616
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APPENDIX > SATELLITE INFORMATION Satellite Information Center dot - 90° 90° above the horizon Inner ring- 45° above the horizon Outer ring the horizon 45° Satellite Sky View Satellite Location The location of each available satellite is displayed over two location rings on the Satellite Information page. The outer ring represents the horizon, the inner ring represents 45° above the horizon, and the center represents directly overhead. When the unit is using a satellite for navigation, the satellite number becomes highlighted on the location rings. The unit can be set to display satellite location with North or your current track toward the top of the display. 60 Satellite Strength Indicator Bars The Satellite Strength Indicator Bars not only show the strength of the signal being received, they also show the status of the signal. The bars are either shaded with a light gray or filled with solid black. The gray bar represents the GPS is in the process of storing orbital data it is receiving from the satellite signal. When the bar turns solid black, the GPS is using the satellite signal for navigation. A "D" in or above the bar means that differential corrections (WAAS or DGPS) are being applied to that satellite. Date, Time, and Current Location The GPS gets date and time information from the satellites on-board atomic clock. When the GPS receiver has achieved a 2D or 3D GPS Location, the current location is displayed in the selected Location Format. GPSMAP 76 Owner's Manual