Garmin GPSMAP 76 - Manual (Page 29)

GPSMAP 76 Owner’s Manual 
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GPS Information Page
The GPS Information page displays your speed,
estimated accuracy, receiver status, satellite locations,
satellite signal strength, date, time, and the receiver’s
current location when the unit receives signals from at
least three satellites. The unit must receive at least four
satellite signals to report elevation.
Satellite
Signal
Strength
Location
Time
Date
Receiver
Status
Satellite
Location
GPS Information Page
Data Fields
Current GPS Receiver Status
The current status of the GPS receiver always is
displayed.
Autolocate—forces the receiver to search for each
satellite individually.
Acquiring Satellites—begins searching for satellites.
The unit starts in this mode each time the unit is turned
on. The GPS receiver remains in this mode until it has
acquired at least three satellite signals.
2D GPS Location—indicates the receiver is only using
three satellite signals. The GPS displays your current
position but is incapable of providing an altitude
reading.
3D GPS Location—indicates the receiver is currently
using at least four satellite signals and is capable of
providing your current position and altitude.
2D Differential Location—indicates the receiver
is using DGPS or WAAS differential data on three
satellites.