Operation - Hilti PR 2-HS Operating Instructions Manual

7 Operation

7.1 Checking the tool
en
Check the accuracy of the tool before using it for import-
ant tasks, especially if it has been dropped or subjected
to unusual influences or impacts etc. (see 8.6).
7.2 Switching the tool on
Press the on/off button.
NOTE
After switching on, the tool begins to level itself automat-
ically.
7.3 Working with the laser receiver
The laser receiver can be used at distances (radiuses) of
up to 300 m. The laser beam is indicated by visual and
audible signals.
7.3.1 Working with the laser receiver as a hand-
held unit
1. Press the on/off button.
2. Hold the laser receiver with the receiving window
directly in the plane of the rotating laser beam.
7.3.2 Working with the laser receiver in the PRA 80
receiver holder 9
1. Open the catch on the PRA 80.
2. Place the receiver in the PRA 80 receiver holder.
3. Close the catch on the PRA 80.
4. Switch the receiver on by pressing the on/off button.
5. Turn the rotating grip to the open position.
6. Secure the PRA 80 receiver holder on the telescopic
staff or leveling staff by tightening the clamping
knob.
7. Hold the receiver with the receiving window in the
plane of the rotating laser beam.
7.3.3 Working with the laser receiver in the PRA 83
receiver holder 9
1. Push the receiver into the rubber sleeve of the PRA
83 at an angle until it fully encloses the receiver.
Take care to ensure that the receiving window and
the buttons are facing the front.
2. Fit the receiver, complete with the rubber sleeve,
onto the grip section. The cover and grip section are
joined together by the magnetic holder.
3. Switch the receiver on by pressing the on/off button.
4. Turn the rotating grip to the open position.
5. Secure the PRA 83 receiver holder on the telescopic
staff or leveling staff by tightening the clamping
knob.
6. Hold the receiver with the receiving window in the
plane of the rotating laser beam.
24
7.3.4 Working with the PRA 81 height transfer
device 9
1. Open the catch on the PRA 81.
2. Insert the laser receiver in the PRA 81 height transfer
device.
3. Close the catch on the PRA 81.
4. Switch the laser receiver on by pressing the on/off
button.
5. Hold the laser receiver with the receiving window
directly in the plane of the rotating laser beam.
6. Position the laser receiver so that the distance dis-
play shows "0".
7. Use the measuring tape to measure the desired
distance.
7.3.5 Setting the measuring unit
The "Units" button can be used to set the desired accur-
acy of the digital display (mm/cm/off).
7.3.6 Volume adjustment
When the receiver is switched on, the volume is set to
"normal". The volume can be adjusted by pressing the
"Volume" button. One of four settings can be selected:
"Low", "Normal", "High" or "Off".
7.3.7 Menu options
1. Press and hold the on/off button for two seconds
when switching the laser receiver on.
The menu then appears in the display.
2. Use the "Measuring units" button to select metric or
imperial measuring units.
3. Use the "Volume" button to assign the more rapid
signal tone to the upper or lower area of the receiving
window.
4. To save the settings, switch the laser receiver off.
NOTE Each setting that has been made becomes
effective the next time the tool is switched on.
7.4 Deactivating the shock warning function
1. Switch the tool on (see 7.2).
2. Press the "Deactivate shock warning" button.
The shock warning deactivation LED lights con-
stantly, indicating that the function has been deac-
tivated.
3. To return to standard operating mode, switch the
tool off and then switch it back on again.
7.5 Working in the horizontal plane
1. Set up the tool in a suitable position for the applica-
tion, e.g. on a tripod. Alternatively, the rotating laser
may be mounted on a wall bracket. The angle of
inclination of the surface on which it stands should
not exceed ± 5°.