Manual Grade Operation cont:
Level setting
Slope setting
10m
3.3 Dual Grade Sloping – (88R & 88G only)
Used for areas where a fall is made simultaneously to a
point 90º to the other axis.
Ideally, site instrument to one corner of the worksite. Set Y
axis as shown. At 90º to the Y axis set the X axis in the same
manner. The grade is now set for both runs.
Y axis
Direction of slope
X axis Direction of slope
