Alpine PMD-B100T Owners Manual - Page 33
Viewing GPS Status, Viewing System Information
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261985 PMD-B100_r15.qxd 9/13/06 3:16 PM Page 33 ■ Viewing GPS Status You can view the dynamic location information received from satellite such as signal strength, compass (direction information), latitude/longitude, approximate altitude, and speed. This feature allows you to view GPS satellite signal information. An explanation of the messages is shown below. 1 Go to Main Menu . ➔ Information 2 Select GPS Status. The following messages are displayed while the GPS receiver is tracking satellites: "Locating GPS Satellites": Blackbird searches the sky looking for GPS satellites. "Acquiring GPS Signal": Blackbird acquires positioning information transmitted from 1 to 3 tracked satellites while searching for more satellites (minimum 4 needed). "Fixing GPS Position": Blackbird requires continuous signals from 4 or more tracked satellites (for 30 seconds) in order to accurately fix your position. "Poor GPS Signal, Lost Position Fix": You may have entered an area where consistently poor GPS signal (lasting 30 seconds or more) makes it impossible to maintain a position fix. "No Line of Sight, Lost GPS Tracking": You are in an area where line of sight to GPS satellites has been blocked. "Temporary Poor GPS Coverage": Thunderstorms, dense foliage or surrounding tall buildings may cause temporary loss of position fix (acceptable if under 30 seconds). ■ Viewing System Information You can check software application, database version, and other information in this screen. Make a note of this information and refer to it whenever you communicate with Alpine Tech Support or your Alpine authorized dealer. 1 Go to Main Menu . ➔ Information 2 Select System Information. 33