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4 Measure the backsight.
The instrument takes the backsight
reading and displays the measure-
ment.
5 Select "Yes" to accept the value.
6 Measure the foresight.
The instrument calculates the differ-
ence between the measurement and
the input value, and displays the
result.
7 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.
8 Press
or .
Height difference set-out is completed.
Set out the next ground point.
• When in this menu and setting-out has already been taken (for
the second or subsequent reading):
Step 4: The previous backsight measurement will be displayed
and the program skips to step 5.
• Storing setting out height difference:
Step 3: Even after power off, the height difference is stored.
Notes: