40
4. Then VD（difference of height）appear, first
display the height of prism.
5.If you rotate the telescope then VD will change,
when you aim at the target the VD is the difference
of height between the target and ground.
【Procedure of REM(H2—point to point)】
1. Select menu item 2 when you need the
difference of height between any two points
2. Press F1:【Meas】to start EDM then you can
obtain the horizontal distance between the
instrument and the target. Press F4:【Enter】to
accept the measurement data
3. In this time, the point where posite prism is base
point.
4. The VD will change when you rotate telescope. If
you need setting another base point then you can aim
at another base point and press F2:【Next A】.
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