Sokkia im-101 Operator's Manual page 61

13.2.4 Height Resection Measurement
Only Z (height) of an instrument station is determined by the measurement.
• Known points must be measured by distance measurement only.
• Between 1 and 10 known points can be measured.
PROCEDURE
1. Select "Occ.orien." from the coordinate measurement
menu.
2. Press [RESEC] in the "Occ.orien."
3. Select "Elevation".
• The tilt screen is displayed if the instrument is out of level.
Level the instrument.
"7.2 Levelling"
4. Sight the first known point and press [MEAS] to begin
measurement. Press [STOP].
The measurement results are displayed on the screen.
5. Press [YES] to use the measurement results of the first
known point.
6. Input the known point. After setting the elevation for the first
known point, press [NEXT] to move to the second point.
7. If measuring two or more known points, repeat procedures
4 to 6 in the same way from the second point.
• Press {ESC} to return to the previous known point.
8. Press [CALC] to automatically start calculations after
observations of all known points are completed. Instrument
station elevation and standard deviation, which describes
the measurement accuracy, are displayed.
9. Press [RESULT] to check the result.
If there are no problems in the result, press {ESC} and go to
step 10.
13. COORDINATE MEASUREMENT
Resection.
NEZ
Elevation
Setting
Resection 1st PT
SD
ZA
HA-R
Z p :
H R
LOAD
Z
Z
RESULT
55
80 42 15
140 49 15
MEAS
1 s t P T
1 1 . 8 9 1
0 . 1 0 0 m
REC NEXT CALC
1 0 . 0 0 0
0 . 0 0 2 2 m
OK