Stonex R25/R25LR Total Station - User Manual 86
Press F4[ENT] key to return “Lead Measure” dialog.
NOTE: Prism heights of foresight and backsight must be input during the first semi observation of the first
observation set. It's worth noting that these prism heights are defaulted to 0. And you must input accurate “Rht”
before pressing [DIST] or [ALL], otherwise the buzzer sounds and proceeding operation is impossible.
All foresight observed points need distance measuring unless foresight points are known. Distance measuring of
backsight points can be ignored, but it is proposed.
8.10.4. Lead calculation
Repeat “Station Set” and “Measure Point” until all station surveys are complete. Thus, lead calculation can be carried
on.
Similar with “Lead Set”, when moving screen cursor to “Last Stn” and
“Last FsPt”, you can press [ENT] key to search the point you need or input
coordinates.
End Azimuth: Final azimuth (insert a value if an open traverse has been
used)
NOTE: If the lead belongs to branch traverse, directly press F4[CALC] key
to compute coordinates of each lead point of branch traverse.
After pressing F4[CALC], a dialog about lead closure will eject.
Lead Length: total length of all leads
Pla. Closure: Horizontal misclosure
Ver. Closure: Vertical misclosure
Ang. Closure: Azimuth angle misclosure
Press {PAGE} key to switch to page 2, as shown.
dX/N: misclosure of X coordinate increment
dY/E: misclosure of Y coordinate increment
dH: Vertical elevation closure
P_Precision: Plane precision
V_Precision: Vertical elevation precision
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