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52 GPSMAP 176/176C Owner’s Manual
MAIN MENU > GPS TAB
The status field shows one of the following conditions:
• Searching the Sky—the receiver is looking for all satellites.
• AutoLocate—the receiver is looking for any satellite it has an
almanac for. This process can take up to five minutes.
• Acquiring Satellites—the receiver is looking for and
collecting data from satellites that were visible at its last known
or initialized position, but has not collected enough data to
calculate a fix.
• 2D GPS Location—at least three satellites with good
geometry have been acquired and a 2 dimensional position fix
(latitude and longitude) is being calculated. 2D Differential
appears when you are receiving WAAS or DGPS corrections in
2D mode and a D shows on the strength bar of satellites being
corrected.
• 3D GPS Location—at least four satellites with good geometry
have been acquired and your position is now being calculated
in latitude, longitude, and altitude. 3D Differential appears
when you are receiving DGPS corrections in 3D mode and a D
shows on the strength bar of satellites being corrected.
• Lost Satellite Reception—the receiver is no longer tracking
enough satellites for a 2D or 3D fix.
• Receiver Not Usable—the receiver is unusable, possibly due
to interference or abnormal satellite conditions. Turn the unit
off and back on to reset.
• Simulating GPS—the receiver is in simulator mode.
• GPS Off—the GPS receiver is turned off.
The Differential Receiver status shows one of the following:
• None—no optional beacon receiver is attached or enabled in
the Interface tab (Main Menu) or WAAS is turned Off.
• Searching for WAAS—WAAS is enabled and the receiver is
searching for WAAS signals.
• Using WAAS—WAAS capability is enabled and the unit is
receiving WAAS corrections.
• Check Beacon Wiring—the DGPS setting is enabled in the
Interface tab (Main Menu), but no DGPS device is detected.
• No Beacon Signal—DGPS receiver is attached, but not
transmitting RTCM data to GPS.
• Tuning Beacon—receiver is tuning manual DGPS frequency.
• Using Differential—unit is receiving DGPS corrections.
• Scanning for Beacon—DGPS receiver is scanning for an
available frequency.