Sokkia SDL30 Operator's Manual page 47

Procedure
46
1 Set up the
between points A and B.
2 In menu mode, select "Set-out", then
select "Elev.".
3 Input the backsight elevation.
4 Measure the backsight.
The instrument takes the backsight
reading and displays the measurement.
5 Select "Yes" to accept the value.
6 Input the elevation that you want to
stake out.
7 Measure the foresight.
The instrument calculates the differ-
ence between the measurement and
the input value, and displays the result.
8 Move the staff by the amount shown
on the screen, then take another
foresight reading.
If "Fill" is displayed, move the staff
upward.
If "Cut" is displayed, move the staff
downward.
When the display shows '0', you have
found the specified ground point.
instrument midway