17
9.
CALIBRATION
Press F3 Cal. Into the calibration mode. This program is to calibrate
the errors and correct additive constant.
9.1
Calibrate i Angle
i angle is also referred to the vertical index difference.
Step 1: On Face Left, collimate the crosshair center in a collimator,
and adjust the focus until it is clear. Press
OK
to proceed to next
step.
Step 2: Turn the theodolite to Face Right, and collimate the same
crosshair center in the collimator until it is clear. Press
OK
to
proceed to next step.
Step 3: The equipment will show the index difference. Press
OK
to