R&S
TSMX-PPS2
Starting Operation
Getting Started 1515.7236.02 - 02
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5.4 Navigation Mode
The GPS module automatically enters navigation mode as soon as it determined the
GPS position fix. Depending of the mode of operation (ADR or Standard Navigation)
the GPS will be assisted from dead reckoning data when calibration is finished (see
section
"Monitoring Calibration Status"
on page 27).
Following a list of the different navigation modes:
Navigation Mode
Remarks
No Fix
No position fix
2D Fix
Two-dimensional fix / at least 3 satellites
3D Fix
Three-dimensional fix / at least 4 satellites
DR
Dead Reckoning
DGPS
Differential GNSS
Figure 5-2: Modes of navigation
5.5 Powering Off
There is no dedicated switch to power off the R&S TSMX-PPS2. The device is turned
off by removing the USB cable. The GPS almanac data and sensor calibration data is
kept for a certain amount of time when disconnected from USB.
There is no “Stand-By” or “Power Safe” mode implemented for the R&S TSMX-PPS2.
Caution:
Make sure that you have disconnected from any software application
interfacing the R&S TSMX-PPS2 device before removing the USB cable.