Pentax ETH-310 Manual de usuario descargar pdf (Pagina 36)

5.3 Vertical angle measurement

Level the instrument, turn the power on and set

the vertical angle 0 point.

Sight the object A using the horizontal clamp and tangent screws as well

as the telescope clamp and tangent screws.

Read the displayed value ( ).

• The vertical angle mode can be changed to slope percent display

(V%) by pressing [V%] key.

Also, horizontal 0°(VH) and compass (Vc) can be set using special

key operation.

(Factory setting is Zenith 0°)

(Refer to 3.1 Setting of vertical angle)

Vertical angle (θ) = 86 °24’ 40”

Press the [V/%] key to view the Vv and V%.

Vertical angle 0 point

Object

Horizontal angle

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Pentax ETH-310 Manual de usuario Pagina 36