CSI Wireless GBX, Справочное руководство

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GBX Reference Manual 37
Displays the horizontal speed in KPH, MPS, or knots
depending on the units selected (See Section 3.4.5).
This information is parsed from the
$GPVTG
NMEA message.
Displays the current UTC Time. If a local offset has been
specified, “Time” replaces the “UTC” field identifier. This
information is parsed from the
$GPZDA NMEA message.
Displays the current DGPS age of correction in seconds.
This information is parsed from the
$GPGGA
NMEA
message.
Displays the current number of satellites being used by
the GPS receiver in computing its position. If this value is
4 or greater, then the computed position is 3D, and includes a valid
height solution. If less than four, then the solution is 2D, holding the
height parameter constant at either 0, or its last measured value. This
information is parsed from the
$GPGGA
NMEA message.
Displays the Horizontal Dilution of Precision (HDOP).
This information is parsed from the
$GPGGA NMEA
message.
Returns the GBX to the previous menu level.
V e l V e l
U T C U T C
A g e A g e
S V C o u n t S V C o u n t
H D O P H D O P
B a c k B a c k