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⑥After
measurement
click "Continue" key.
⑦Collimate point L on
overhead
line.
screen
displays
measuring
data
collimating L.
VD ： Vertical distance
between A and L.
HD：Horizontal distance
between
instrument
and L.
Off：Horizontal distance
between A and L.
⑧Click "Continue" key
which
is
used
measuring
between overhead line
and ground. Operation
steps:
●Collimate
point
overhead
line
clicking "Continue" key.
● Lock instrument on
horizontal direction, m
ove telescope on vertic
al direction until aim a
t ground point G.
【Continue
】
The
of
for
height
on
【Continue
before
】
52
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