Pentax ETH-305 Switch User Manual


 
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5. Measurement
5.1 Horizontal angle measurement (right)
Level the instrument,and after power on set the vertical angle 0 point.
Sight the first object using the horizontal clamp and tangent screw as
well as the telescope clamp and tangent screw.
Press [0SET] twice to set the horizontal angle to 0°,00’,00”
Sight the second object using the horizontal clamp and tangent screw
as well as the telescope clamp and tangent screw.
Read the displayed value (α).
First Object:Zero Setting (0 °00’00”)
Second Object (34 °47’20”)
Horizontal Angle (α) = 34 °47’20”
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First object
Second object