Pentax ETH-310 Uživatelský manuál stáhnout pdf (Strana 34)

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”

First object

Second object

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 47 48

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Pentax ETH-310 Uživatelský manuál Strana 34