Topcon GPT-2009 Marine Instruments User Manual


 
7-14
7 DATA COLLECTION
7.3.3 Plane Offset Measurement
Measuring will be taken for the place where direct measuring can not be done, for example distance or
coordinate measuring for a edge of a plane.
Three random points (P1, P2, P3) on a plane will be measured at rst in the plane offset measurement
to determine the measured plane. Collimate the measuring point (P0) then the instrument calculates
and displays coordinate and distance value of cross point between collimation axis and of the plane.
Operating procedure Operation Display
1 Press the [F3](MEAS) key and press the [F4]key to
get to the next soft key page.
[F3]
[F4]
2 Press the [F1](OFSET) key.
[F1]
3 Press the [F3](PLANE OFFSET) key.
[F3]
4 Collimate prism P1, and press the [F1](MEAS)
key.
Measuring will start.
After measuring, the display will show the second
point measurement.
Collimate
P1
[F1]
P
P
P
2
3
P
Target heights of P1 to P3 is set to zero automatically.
(Prism)
(Prism)
(Prism)
Edge
PT#
PT-11
PCODE :TOPCON
R.HT : 1.200 m
INPUT SRCH MEAS ALL
PT#
PT-11
PCODE :TOPCON
R.HT : 1.200 m
VH *SD NEZ P1
OFSET --- NP/P P2
OFFSET 1/2
F1:ANG. OFFSET
F2:DIST. OFFSET
F3:PLANE OFFSET P
PLANE
N001#:
SD: m
MEAS --- NP/P ---
PLANE
N001#:
SD* [n] << m
>Measuring...