User's Manual

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8) If you want to save the measured data of checked
backsight, just press [ENT] and it will prompt you
“Save BS coord?”, if not,press the key [ESC] with a
prompt “Finished” and back to the basic interface.
6.2 BS angle
This function is to determine the coordinate system and
according to the coordinate of station and the angle between
station and backsight point ,and set up station according to
instrument height.
Y
Z
X
X0
Y0
Azimuth
Target
Height
Station
（Xi,Yi,Zi）
Backsight
（Xb,Yb,Zb）
1) In the menu of stationing, press the key [2] or select “2.BS
angle” to enter the interface of “BS angle”(as shown below).
If the station has been stationing, there will be default data
displayed;
BS angle
STN:
KNOWN
12345
I.H:
BSA:
*[ENT] after aim BS
m
0.3
180.0000
1
2) Retrieve the point (see the chapter 4.8), then the display of
“STN” will be refreshed, at the same time,the cursor moves
to the input box of “I.H”(instrument height);
[Note*]: Here, the “STN” can’t be null.