TI Precision Shanghai Co. Ltd. LGP302N Manuel D’Utilisation

2. Move the bubble to the center of the circle by

turning

screw C.

(2) Accurate Levelling-Up with plate level

1. Loosen the horizontal motion clamp, and turn

the instrument till the plate level is parallel to a

line shaped with screws A and B. Adjust the

screws A and B to make the bubble in the center

of the level.

2. Loosen the horizontal motion clamp, and turn

the

instrument approximately 90°.Adjust the screw

C until the bubble in the center of the level.

3. Repeat above steps until the bubble remains in

the center of the plate level while the instrument

is rotated to any position.

(3) Accurate Levelling-Up with Electronic Level on the screen

It is convenient for W-1502N series to level-up with electronic level,

especially when it is difficult to observe the circular level and plate level.

Firstly,press the key 【★】 to turn on

the electronic bubble as shown in left

figure.On

the

electronic

bubble

screen,five function keys are displayed

in the left column,which is listed as

follows:

Screw A

Screw C

Screw

Plate

Screw C

Screw A

Screw