User manual
Chapter 5 Operation
This section explains the basic operation of the GRP System FX.
5.1 Track trolley TGS FX
5.1.1 Switching ON
The measuring trolley TGS FX is switched on as soon as it is powered. Please disconnect the
battery from the trolley when you stop working. This avoids deep discharging the battery when
the trolley is stored.
5.1.2 Coordinate system of TGS FX
The GRP System FX uses the following convention for the internal coordinate system. It is
used for the determination of the geometrical trolley parameters.
5.1.3 Sign rules super elevation (cant)
The sign for the cant is always defined in the direction of increasing stationing (chainage). It is
defined independently from the orientation of the trolley.
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