Leica Geosystems Leica 3D Disto - Manual - Manual (Page 101)

101 3D Disto, Operation
Addition and
subtraction during
measurement
step-by-step 1. Press , target and measure the first two points with .
2. Two points with a line connection appear in sketch area.
3. Press or for addition or subtraction. The corresponding symbol appears
in the status bar. The first selected line is highlighted with black bullet symbol.
4. Press , target to measure a further point. Press .
5. Press or to add/subtract next distance (line) or continue measuring if you
would like to skip a point distance to be added/subtracted.
6. Proceed until ready to close the sum and/or finish the adding/subtracting func-
tion. Then press .

You have to measure two points before or is active as points
cannot be added or subtracted.