GPI GPR-R220L, Instructions For Use Manual, Page: 9 / 18

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and the unit will re- start and return to the grade previously set.
6) Vertical Lines
a) Once the instrument is in the position shown above
press the green button on the bottom left hand side of
the Panel.
b) The instrument will Auto level and start spinning giving
a Vertical beam.
7) Other Functions
A) Scan Mode
a) The scan Mode 1s to be used when you want the beam focused on a smaller range.