76
Line and Grade
Lock
Basic Operation
Icon
Description
Line position left or right of centre
Left line limit
Right line limit
To lock the grade position:
1.
Press and hold the STAR button.
2.
Then press the UP or DOWN arrow button (a)
to lock the grade at the current value.
To lock the line position:
3.
Press and hold the STAR button.
4.
Then press the LEFT or RIGHT arrow button
(b) to lock the line at the current position.
☞
To unlock grade or line repeat the same procedure.
a
b