Angle Measurement; Measuring The Horizontal Angle Between Two Points (Horizontal Angle 0°) - Sokkia im-101 Operator's Manual

11.ANGLE MEASUREMENT

This section explains the procedures for basic angle measurement in Observation mode.
11.1 Measuring the Horizontal Angle between Two Points (Horizontal Angle 0°)
Use the "0SET" function to measure the included angle between two points. The horizontal angle can be set
to 0 at any direction.
PROCEDURE
1. Sight the first target as at right.

"10. TARGET SIGHTING AND MEASUREMENT"
2. In the first page of the OBS mode screen, press [0SET].
[0SET] will flash, so press [0SET] again.
The horizontal angle at the first target becomes 0°.
3. Sight the second target.
The displayed horizontal angle (HA-R) is the included angle
between two points.
OBS
SD
ZA
HA-R
MEAS SHV
OBS
SD
ZA
HA-R 117
MEAS SHV
34
PC 0
ppm 0
8 9 5 9 5 0
0 0 0 0 0
0SET COORD
PC 0
ppm 0
89 59 50
32 20
0SET COORD