Recording Backsight Point - Sokkia iM-50 Series Operator's Manual

28.2 Recording Backsight Point

Backsight station data can be stored in the current JOB. Azimuth angle setting method can be selected from
"inputting azimuth angle" or "calculating coordinates".
PROCEDURE Inputting azimuth angle
1. Press [TOPO] in the third page of OBS mode to display
<TOPO>.
2. Select "BS data".
3. Select "Angle".
Angle measurement values are displayed in real time.
4. Input Azimuth angle.
5. Sight the backsight and press [REC] in the screen of step 4,
and set the following items.
(1) Target height
(2) Point name
(3) Code
6. Press [OK] to record backsight station data. RED
(Reduced) data and angle measurement data are recorded
at the same time. <TOPO> is restored.
PROCEDURE Calculating azimuth angle by coordinates
1. Press [TOPO] in the third page of OBS mode to display
<TOPO>.
2. Select "BS data".
3. Select "Coord".
28. RECORDING DATA - TOPO MENU -
TOPO JOB1
Occupy
BS data
Angle data
Dist data
Coord data
TOPO / Backsight
Angle
Coord
TOPO / Backsight
Take BS
HA-R
HA-R:
HA-R
HR
PT
REC
CD
:
A D D
TOPO / Backsight
Angle
Coord
154
2 3
90 1
3
2
9 1 2 3 4
0 . 0 0 0
OFFSET AUTO
MEAS
LIST
S R C H