Basic Operation
3.7
a
b
Line and Grade Lock
To lock the grade position, press and hold the STAR button, then press an UP or
DOWN arrow button (a) to lock the grade at the current value
To lock the line position, press and hold the STAR button, then press a LEFT or
RIGHT arrow button (b) to lock the line at the current position
To unlock grade or line, repeat the same procedure.
The current status is indicated at the bottom, center of the display.
Grade and Line Unlocked
Grade Locked
Line Locked
Grade and Line Locked
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