User Manual for David30 GNSS Receiver v2.0
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Figure 6.10 Base is transmitting corrections
The detailed steps of configuring David30 using Tersus GNSS Center via
cables are listed below:
1. Use the ‘COMM2-7pin to USB&DB9 cable’ to connect the COMM2 cable
and a computer; or Use the ‘COMM1-7pin to DB9 cable’ to connect the
COMM1 cable and a computer ; the ‘COMM1-7pin to DB9 cable’ shown as
below:
2. Open Tersus GNSS Center application on the computer and type below
commands in the command window:
UNLOGALL
//remove all logs
UNDULATION USER 0.0 //
Set user specified undulation value for ellipsoid height
2
FIX POSITION B L H
//B: latitude (degree), L: longitude (degree), H: ellipsoid height (m)