You can create a point by giving an offset and rod height with respect to the current cross section, height of instrument, and centerline.
The elevation is computed by subtracting the rod from the current value you set with the Set Height of Instrument command.
To create a point by offset and rod height from the current cross section in the Survey Command Window
To create a point by offset and rod height from the current cross section, using the survey command language
XS ROD (point) [offset] [rod] (description)
BEGIN CL1
NE 1 1000 1000
NE 2 1000 1500
NE 3 1300 1700
END
CL IS CL1
XS 350
HI 200
XS ROD 100 150 7.25
! POINT 100 NORTH: 850.000 EAST: 1350.000 ELEV: 192.750
Point 100 is offset from cross section 350 a distance of 150 with an elevation of 192.75 (height of instrument - rod).