Pentax ETH-310 Uživatelský manuál stáhnout pdf (Strana 29)

4.2 Leveling with the Circular level

After [4.1 Setting up the instrument] is completed, instrument must be

leveled using the circular vial.

By rotating any two leveling screws, position the bubble in the center

of the vial (See A.) (To adjust the screws at the same time, turn them in

opposite directions.)

Adjust the remaining leveling screw, and position the bubble in the

center of the circle (See B)

For the relation between the screw adjusting direction and bubble

moving direction, refer to the arrows of the following figures. Bubble will

move to the right in figure A, while in figure B it moves upward.

(A) (B)

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Pentax ETH-310 Uživatelský manuál Strana 29