Before Use; Operation; Working With The Laser Receiver - Hilti PRA 300 Manual De Instrucciones

Casing top edge center indicator
Marking notches
Time without detection before automatic power off
Weight (including batteries)
Power source
Battery life (alkaline)
en
Operating temperature range
Storage temperature
Protection class
Drop test height 1
1 The drop test was carried out using the PRA 83 receiver holder, dropped onto flat concrete under standard ambient conditions
(MIL-STD-810G).

5 Before use

5.1 Inserting the batteries 3
DANGER
Do not use damaged batteries.
DANGER
Do not mix old and new batteries. Do not mix batteries
of different makes or types.

6 Operation

6.1 Switching the tool off and on 1
Press the on / off button.
Please note that all remote control buttons on
the PRA 300 function only in conjunction with a
PR 300-HV2S rotating laser. For information about the
button functions, please refer to the PR 300-HV2S
operating instructions.

6.2 Working with the laser receiver

The laser receiver can be used at distances (radiuses) of
up to 300 m (980 ft). The laser beam is indicated visually
and by a signal tone.
6.2.1 Using the laser receiver as a hand-held tool
1. Press the on / off button.
2. Hold the tool in the plane of the rotating laser beam.
14
75 mm (3 in)
On both sides
15 min
0.25 kg (0.6 lbs)
2 AA‑size batteries
Temperature +20°C (+68 °F): Approx. 40 h (depending
on the quality of the alkaline batteries used)
-20...+50°C (-4 to +122 °F)
-25...+60°C (-13 to +140 °F)
IP 66
(in accordance with IEC 60529), except battery com-
partment
2 m (6.5 ft)
NOTE
The tool may be powered only by batteries manufactured
in accordance with the applicable international standards.
1. Open the tool's battery compartment.
2. Insert the batteries in the tool.
NOTE Check to ensure correct polarity when insert-
ing the batteries.
3. Close the battery compartment.
6.2.2 Working with the laser receiver in the PRA 83
receiver holder 4
1. Push the tool into the rubber sleeve of the PRA 83 at
an angle until it fully encloses the tool. Take care to
ensure that the receiving area and the buttons are
facing the front.
2. Fit the tool, complete with the rubber sleeve, onto
the grip section. The cover and grip section are
joined together by the magnetic holder.
3. Switch the tool on by pressing the on/off button.
4. Rotate the grip to bring it into 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 tool with the receiving area in the plane of
the rotating laser beam.