Leica PIPER 100, Руководство пользователя

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36 Basic Operation
3.7 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
a
b