Care And Maintenance; Cleaning And Drying; Hilti Calibration Service - Hilti PRA 38 Manual De Instrucciones

2. Place the PRA 38 laser receiver in the PRA 80
receiver holder.
3. Close the catch on the PRA 80.
4. Switch the laser receiver on by pressing the on /
off button.
5. Rotate the grip to bring it into the open position.
6. Secure the PRA 80 receiver holder on the tele-
scopic staff or leveling staff by turning the rotat-
ing grip.
7. Hold the PRA 38 with the receiving window
directly in the plane of the rotating laser beam.
The laser beam is indicated by visual and audible
signals.
6.2.3 Working with the PRA 81 3
1. Open the locking mechanism on the PRA 81.
2. Insert the PRA 38 laser receiver in the PRA 81
height transfer device.
3. Close the locking mechanism on the PRA 81.
4. Switch the laser receiver on by pressing the on /
off button.
5. Hold the PRA 38 with the receiving window
directly in the plane of the rotating laser beam.
The laser beam is indicated by visual and audible
signals.

7. Care and maintenance

7.1 Cleaning and drying

1. Blow dust off the surfaces.
2. Do not touch the display areas or the receiving
window with the fingers.
3. Use only a clean, soft cloth for cleaning. If
necessary, moisten the cloth slightly with pure
alcohol or a little water.
NOTE Do not use any other liquids as these may
damage the plastic components.
4. Observe the temperature limits when storing
your equipment. This is particularly important in
winter / summer if the equipment is kept inside a
motor vehicle (25°C to +60°C / -22°F to +140°F).
7.2 Storage
Remove the tool from its case if it has become wet.
The tool, its carrying case and accessories should be
cleaned and dried (at maximum 40°C / 104°F). Repack
Printed: 07.07.2013 | Doc-Nr: PUB / 5070295 / 000 / 00
6. Use the measuring tape to measure the desired
offset distance.
6.2.4 Menu options
When switching the PRA 38 on, press and hold the
on / off button for two seconds.
The menu is then shown in the display.
Use the "units" button to switch between metric and
imperial units.
Use the "volume" button to assign the higher-pitched
signal to the upper or lower area of the receiving
window.
To save the settings, switch the PRA 38 off.
6.2.5 Setting the accuracy
The accuracy button can be used to adjust the
PRA 38 to one of three different accuracy settings:
Fine: ±0.5 mm (±0.02"); Standard: ±1.0 mm (±0.04");
Coarse: ±1.5 mm (±0.06").
6.2.6 Setting the volume of the audible signal
The tool is set to "normal" volume when switched
on. The volume can be adjusted from "normal" to
"loud" by pressing the audible signal button. Press
the button again to switch the signal off and press it
once more to set the signal to "quiet".
the equipment only once it has dried completely and
then store it in a dry place.
Check the accuracy of the equipment before it is used
after a long period of storage or transportation.
Remove the batteries from the tool before storing it
for a long period. Leaking batteries may damage the
tool.
7.3 Transport
Use the Hilti toolbox or packaging of equivalent quality
for transporting or shipping your equipment.
DANGER
Always remove the batteries before transporting the
tool.

7.4 Hilti calibration service

We recommend that the tool is checked by the Hilti
calibration service at regular intervals in order to
verify its reliability in accordance with standards and
legal requirements.
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