GPI GPR-R220L, Instructions For Use Manual

Page: 10 / 18

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b) Press the [Sean Button] for a single point
c) Press the same button to get angles of approximately 10
°
,45
°，
90
°
and 180
°
d) To change the direction of the point/ scan you can Press the+ or-button to move the
direction the beam is pointing .
B) Speed Control
a) To change the speed of the rotating beam pres
「
Hare/Tortoise Button
」
. b) Speeds of
120rpm
，
300rpm and 600rpm can be obtained .
C) Plumb up and down beams
a) The Instrument has both a plumb up beam and a plumb down beam.
b) These will be Vertical when the instrument is set up as per Page 4
c) The spots cannot be picked up by a detector and must be visually located.
D) Automatic drifts System/Tilt
a) Warns the user for a misaligned device.