You can create a point by specifying a station, offset, and rod height from the current centerline. The elevation is computed by algebraically adding the rod reading to the current value set with the Set Height of Instrument command.
To create a point along a centerline using a rod reading from the Survey Command Window
To create a point along a centerline using a rod reading, using the survey command language
CL ROD (point) [station] [offset] [rod] (description)
BEGIN CL1
NE 1 1000 1000
NE 2 1000 1500
NE 3 1300 1700
END
CL IS CL1
HI 60.96
CL ROD 100 350 45.72 4.2098
! POINT 100 NORTH: 954.2800 EAST: 1350.0000 ELEV: 56.7502