Topcon GPT-2009 Marine Instruments User Manual


 
4-5
4 DISTANCE MEASUREMENT
4.6 Stake Out (S.O)
The difference between the measured distance and the input stake out distance is displayed.
Measured distance — Stake out distance = Displayed value
In stake out operation, you can select either horizontal distance (HD), relative elevation (VD) and
slope distance (SD)
Operating procedure Operation Display
1 Press the [F4](
) key in the distance measuring
mode to get the function on page 2.
[F4]
2 Press the [F2](S.O) key.
The data previously set is shown.
[F2]
3 Select the measuring mode by pressing the [F1] to
[F3] key.
Example : Horizontal distance
[F1]
4 Enter the distance for stake out. *1)
[F1]
Enter data
[F4]
5 Collimate the target (Prism).
Measuring starts.
Collimate P
The difference between the measured distance
and the stake out distance is displayed.
6 Move the target until the difference becomes 0m.
*1) Refer to section 2.6 “How to Enter Alphanumeric characters”.
To return to normal distance measurement mode, stake out distance to "0" or turn the power off.
HR: 120°30'40"
HD* 123.456 m
VD: 5.678 m
MEAS MODE NP/P P1
OFSET S.O S/A P2
STAKE OUT
HD : 0.000 m
HD VD SD ---
STAKE OUT
HD : 0.000 m
INPUT --- --- ENTER
1234 5678 90.-[ENT]
STAKE OUT
HD : 100.000 m
INPUT --- --- ENTER
HR: 120°30'40"
dHD*[r] << m
VD: m
MEAS MODE NP/P P1
HR: 120°30'40"
dHD* 23.456 m
VD: 5.678 m
MEAS MODE NP/P P1