Download TopCal 21 User`s manual

Points ordered by ranges can also be selected by pressing the key
SHIFT LOCK and the left mouse button on the limit points defining the
range.
Also the buttons All or None may be used to select or cancel all
points.
After having selected the desired points, we carry on to Step 3:
Observation Selection, by pressing the button Next, otherwise we could
turn back to Step 1: Enter Input Data Files, by pressing the button Back.
5.4.3.
Step 3: Observation Selection
This is the third step in the computation of intersections.
A screen is shown with the observations stored in the observation
files selected in Step 1, to which contribute points selected in Step 2.
The list shown contains the following fields:
File index: It indicates the observation file index where the
observation is stored.
Station point number.
Target point number.
Horizontal angle.
Vertical angle.
Distance.
Multiple observations may be selected using the key CTRL and
pressing with the left mouse button on the desired observations. If an
already selected observation is pressed, it will be cancelled.
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TopCal 21 User’s manual: Tools