Product Manual

Table Of Contents
Angle between plumb line and standing axis.
Standing axis tilt is not an instrument error and is not
eliminated by measuring in both faces. Any possible
influence it may have on the horizontal direction or verti-
cal angle is eliminated by the dual axis compensator.
Point on the plumb line above the observer.
Glass plate within the telescope with reticle.
TS0X_005
c
The line-of-sight error (c) is the deviation from the perpendicu-
lar between the tilting axis and line of sight. This could be elimi-
nated by measuring in both faces.
Standing axis inclination
Zenith
Crosshairs
Line-of-sight error (hori-
zontal collimation)
138 Glossary