User Manual for David30 GNSS Receiver v2.0
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3. Input the valid position range, check PosAve On, and click [Modify]. It is
recommended that valid position range is >20m.
4. After the specific time (in the example, 0.01 hour is 36 seconds), the base
is fixed within 36 seconds averaging position.
5. Click [Refresh], the fixed position is displayed as below.
Figure 6.20 Fixed position for base station
6. After a power cycle, if the base is moved less than 20m away from the last
position, it would fix with the same position. In the above example, latitude
keeps 31.19042830, longitude keeps 121.59319162 and ellipsoid height
keeps 37.4168.