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5
Operating the rotating laser
5.1
Preparations at the workplace
Observe the safety instructions and warnings in this documentation and on the product.
5.2
Handling the rotating laser and battery correctly
The B12 battery has no protection class. Do not expose the battery to rain or wet conditions.
In accordance with the Hilti instructions, the battery may be used only with the associated product
and must be inserted in the battery compartment for this purpose.
1. Fig. 1: Working in horizontal mode.
2. Fig. 2: In inclined plane mode, the rotating laser should be lifted at the control panel side.
3. Fig. 3: Laying down or transporting in an inclined position. Working in the vertical plane.
▶ Hold the rotating laser so that the battery compartment does NOT face upwards, so that no moisture
can enter.
5.3
Inserting / removing the battery
CAUTION
Electrical hazard. Dirty contacts may cause a short circuit.
▶ Check that the contacts on the battery and on the tool are free from foreign objects before inserting the
battery.
CAUTION
Risk of injury. If the battery is not fitted correctly it may drop out and fall.
▶ Check that the battery is securely seated in the tool so that it cannot drop out and fall, thereby presenting
a hazard to other persons.
1. Push the battery in until it engages securely.
▶ The rotating laser is ready to be switched on.
2. Press the release button and hold it in this position.
3. Pull the battery out.
5.4
Switching the rotating laser on and working in the horizontal plane
Check the accuracy of the rotating laser before using it for important tasks, especially if it has been
dropped or subjected to unusual influences or impacts, or after long periods of storage.
1. Mount the rotating 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 using the PRA 90 tripod
The rotating laser is mounted on the PRA 90 automatic tripod.
The PRA 30G laser receiver, the rotating laser and the PRA 90 automatic tripod are paired.
The PRA 30G 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 30G laser receiver and on the PRA 90 automatic
tripod.
▶ The devices are ready for use.
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