b)
Do not allow the batteries to overheat and do not
expose them to fire.
The batteries may explode or
release toxic substances.
c)
Do not charge the batteries.
d)
Do not solder the batteries into the tool.
e)
Do not discharge the batteries by short circuiting
as this may cause them to overheat and present
a risk of personal injury (burns).
f)
Do not attempt to open the batteries and do not
subject them to excessive mechanical stress.
4.3 Proper organization of the work area
a)
Avoid unfavorable body positions when working
on ladders or scaffolding. Make sure you work
from a safe stance and stay in balance at all
times.
b)
Use the tool only within its specified limits.
c) Measurements taken through or from panes of glass
or through other objects may be inaccurate.
d) Use of the telescopic staff in the vicinity of overhead
high voltage cables is not permissible.
4.4 Electromagnetic compatibility
Although the tool complies with the strict requirements
of the applicable directives, Hilti cannot entirely rule out
the possibility of the tool being subject to interference
caused by powerful electromagnetic radiation, leading
to incorrect operation. Check the accuracy of the tool
by taking measurements by other means when working
under such conditions or if you are unsure. Likewise, Hilti
cannot rule out the possibility of interference with other
devices (e.g. aircraft navigation equipment).
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.
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 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 30
function only in conjunction with a PR 30-HVS rotating
laser. For information about the button functions, please
refer to the PR 30-HVS operating instructions.
6.2 Working with the laser receiver
The laser receiver can be used at distances (radiuses) of
up to 250 m (800 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.
6.2.2 Working with the laser receiver in the PRA 80
receiver holder
4
1. Open the catch on the PRA 80.
2. Place the tool in the PRA 80 receiver holder.
3. Close the catch on the PRA 80.
4. Switch the tool 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 telescopic
staff by tightening the clamping knob.
7. Hold the tool with the receiving area in the plane of
the rotating laser beam.
6.2.3 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.
en
11
Printed: 26.08.2013 | Doc-Nr: PUB / 5152311 / 000 / 00
