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②
Set horizontal angle as
zero for target A.Click the
“S.Zero”
button,and
choose
“OK”
in
the
popup dialog box.
【
S.Zero
】
【
OK
】
③
Collimate the second
first
target
B,and
the
horizontal
angle
and
vertical angle will display
on
the
screen
of
instrument.
Collimate
B
4.3.2 Horizontal angle switch between right and left
Make sure the operation is under angle measurement mode.
Operation steps
Keys
Display
①
Make
sure
the
operation is under angle
measurement mode