Pentax ETH-310 Uživatelský manuál stáhnout pdf (Strana 35)

5.2 Horizontal angle measurement (left)

Level the instrument, and after the power on set

the vertical angle 0 point.

Sight the first object using the horizontal clamp and tangent screw as

well as screw as well as the telescope clamp and tangent screw.

Press the [R/L] key to switch the horizontal angle display to

counterclockwise reading (HL).

Subsequent operation will be done as in [5.1 Horizontal angle

measurement (right), but the order of collimation is reversed.

To switch the mode back to ”right”,press the [R/L] key again.

• If the power turns off during the counterclockwise mode, the display

returns to a clockwise horizontal angle display when power is

turned on.

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Pentax ETH-310 Uživatelský manuál Strana 35