To Set the Survey Instrument Height

You can establish the instrument height to use with the Station/Offset Pole or Offset Pole commands by using the Set Height of Instrument command.

To set the instrument height from the Survey Command Window

1. In Toolspace, on the Survey tab, right-click the network to edit, and click Survey Command Window.
2. Click Centerline menu Set Height of Instrument.
3. Enter the instrument height.
   Note: The Set Height of Instrument command does not affect the height of the traverse chainage. It lets you process level data.

To set the instrument height, using the survey command language

1. In Toolspace, on the Survey tab, right-click the network to edit, and click Survey Command Window.
2. At the Command line, enter:

   HI [level]

Command Line Example

BEGIN CL1

NE 1 1000 1000

NE 2 1000 1500

NE 3 1300 1700

END

CL IS CL1

HI 200

! Current HI: 200.000

The height of instrument is set to 200.00.

Command Syntax

HI [level]

Parameter	Definition
level	The level of the optical axis of the instrument above datum (not the height above ground).