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