Leica GPS1200 Series Technical Reference Manual page 1046

Reference Line
Measure to line -
vertical measurements
Measure to arc - hori-
zontal measurements
P3
d3
P0
GPS12_116
Target point inside arc
d3
P3
d2
d1
d4
P2
P0
GPS12_117a
GPS1200
P1
P0 Start point
P1 End point
d2
P2 Measured point
P2
d1
P3 Reference point
d1
d4
d2
d3
d4
P1
P0 Start point
d5
P1 End point
P2 Measured point
P3 Reference point
d1
d2
d3
d4
d5
Δ
< Ht-Line:>
Δ
< Perp Dist:>
Δ
< Spat Dist:>
Δ
< Ht-Start:>
Δ
< Offset:>
Δ
< Arc:>
Δ
< Arc-End:>
<Check Dist 1:>
<Check Dist 2:>
1046