Leica GPS900 Series Technical Reference Manual page 181

Starting
Diagram of
arc calculations
method 2,
Calc Offset Point
Calculating with
Calc Offset Point
Working with COGO
Refer to section "27.2 Starting the Program" to select the Arc Calculations menu option.
P3
d1
d2
P0
GPS900_55
Step 1 - inputing the data
P1
Known
P2 P1 Start Point
P2 Second Point
P3 End Point
d1 ΔArcDist-Grid
d2 ΔOffset-Grid
Unknown
P4 COGO point (offset point)
Step 2 - storing/staking the results
GPS900 181