User guide

Trimble M3 Total Station User Guide 79
Coordinates 7
7.1 Known Station
If you set up an instrument on a known point, use the known station function.
Set up the instrument on a known point (point S). By measuring to a known backsight
(point A), the instrument will calculate the circle orientation Om and the scale m.
1. From the
MENU screen, select [4] Coordinates
and then select
[2] Known Station.
2. Do one of the following:
– To input the station coordinates or to select
them from internal memory, press
[F1] S.
If the input point number or name is an
existing point, its coordinates are displayed.
If the point is new, select
Internal
Memory
to select coordinates from an
existing job, or select
Input to enter
coordinates in the input screen.
– To activate the Adjustment C&I program,
press
[F3] CHCK.
3. After you have input or selected the station
coordinates, do one of the following:
– To return to the station coordinate input,
press
[F1] S.
X
X
A
X
s
Circle
Hz=0
A (backsight)
Known station
Om
A
A
Y
s
Y
A
Y
Given: (Y,X)
S,A
Meas:
(SD,Hz)
S,A
or (Hz,V)
S,A
Requ: Om,m or Om
S