Ada VERTICAL А00364 [10/34] Vertical

VERTICAL

MEASUREMENT FOUNDATION

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of the instrument by 180°. It’s necessary to make further adjustment, if the offset of the bubble is more than 1 graduation. Half

of the value of bubble deviation is necessary to improve with the help of foot screws. Another half – with the help of adjustment

screw of tubular level.

Adjustment of circle level

After adjustment of tubular level, it’s necessary to adjust circular level. If the bubble deviate from the center, adjust its position with

the help of three adjusting screws, which are located under the level (pic.7).

screws of the

reticule

Adjustment of collimation error

Rotate the alidade by 180°, observing the center of croosshair of the target in

the lens. If you see the offset of the crosshair of reticule relatively the crosshair

of the target, it’s necessary to make adjustment:

1) Place the instrument on the tripod or special stand;

2) Aim at the target at range 40 m outside and focus the image;

3) Turn the alidade of the instrument by 180°, observing the offset of reticule;

4) Adjust the position of reticule with the help of 4 adjusting screws, as shown in

For adjustment :

1) Place the instrument on the tripod or special stand;

2) Aim at the target at range 40 m outside and focus the image;