Hilti PR 30-HVS A12 Mode D'emploi page 16

5.4 Switching the laser on and working in the horizontal plane
Check the accuracy of the laser tool before using it for important measuring tasks, especially if it has
been dropped or subjected to unusual influences or impacts etc.
1. Mount the laser on a suitable holder or bracket.
2. Press the
button.
▶ The auto-leveling LED flashes green.
▶ As soon as the tool has leveled itself, the laser beam switches on and begins to rotate and the "auto
leveling" LED shows steadily.
A wall bracket or tripod may be used as mounting devices. The angle of inclination of the surface
on which it stands should not exceed ± 5°.
5.5 Manual horizontal alignment
The rotating laser is mounted on the PRA 90 automatic tripod.
The PRA 30 laser receiver, the rotating laser and the PRA 90 automatic tripod are paired.
The PRA 30 laser receiver and the control panel of the PRA 90 automatic tripod are facing each other
and in direct line of sight.
1. Press the
button on the rotating laser, on the PRA 30 laser receiver and on the PRA 90 automatic
tripod.
▶ The devices are ready for use.
2. To shift the laser plane up, press the
the PRA 90 automatic tripod.
3. To shift the laser plane down, press the
button on the PRA 90 automatic tripod.
5.6 Automatic horizontal alignment
The rotating laser is mounted on the PRA 90 automatic tripod.
The PRA 30 laser receiver, the rotating laser and the PRA 90 automatic tripod are paired.
The PRA 30 laser receiver and the control panel of the PRA 90 automatic tripod are facing each other
and in direct line of sight.
1. Press the
button on the rotating laser, on the PRA 30 laser receiver and on the PRA 90 automatic
tripod.
▶ The devices are ready for use.
2. Keep the marking notch on the PRA 30 laser receiver at the height that is to be set. The PRA 30 laser
receiver should be held steady or secured in place.
3. Begin automatic alignment by double-clicking the
▶ The PRA 90 automatic tripod moves up and down until the correct position is reached. An signal tone
is emitted repeatedly during this procedure.
▶ The rotating laser levels itself once the tripod has reached the correct position. Successful completion
is indicated by a continuous signal tone with a duration of 5 seconds. The
shown.
▶ If automatic alignment cannot be completed successfully, short signal tones are emitted and the
symbol disappears.
4. Check the height setting in the display.
5. Remove the PRA 30 laser receiver.
6. Stop automatic alignment before completion by double-clicking the
receiver.
10 English
8
button on the PRA 30 laser receiver or the "up" arrow button on
button on the PRA 30 laser receiver or the "down" arrow
9
button on the PRA 30 laser receiver.
7
symbol is no longer
button on the PRA 30 laser
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