Leica GPS1200 Series Technical Reference Manual page 892

COGO
P2
P3
GPS12_164
Area division method
1.
GPS1200
P1
d
P0
<Divide:> <Using:>
By Defined Line Perpendic Line
P0 <Point A:> of defined line
P1 <Point B:> of defined line
P2 <Through Point:>; in this
case it is a known point of the
existing border
P3 New COGO point
d <HDist-XX:>
<Shift:>
Through Point
892