Hilti PMA 31-G, Manual

Page: 11 / 162

English 7
2 Safety
2.1 General safety rules
▶
Check the condition of the tool before use. If damaged, have the tool repaired by Hilti Service.
▶
Do not render safety devices ineffective and do not remove information and warning notices.
▶
After falling from considerable height, the tool should be checked for correct, accurate operation.
▶ To avoid measurement errors, the receiving area must be kept clean.
▶ Handle the tool carefully.
▶
Allow the tool to dry before putting it into storage.
2.2 Electrical safety
▶ Keep the batteries out of reach of children.
▶ Do not allow the batteries to overheat and do not expose them to fire. The batteries may explode and
release toxic substances.
▶ Do not charge the batteries.
▶ Do not solder the batteries into the tool.
▶
Do not discharge the batteries by short-circuiting. The batteries may get hot, presenting a risk of personal
injury (burns).
▶ Do not attempt to open the batteries and do not subject them to excessive mechanical stress.
2.3 Electromagnetic compatibility
Although the device complies with the strict requirements of the applicable directives, Hilti cannot entirely
rule out the possibility of interference to the device caused by powerful electromagnetic radiation, possibly
leading to incorrect operation. Check the accuracy of the device 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).
WARNING! This is a Class A laser device in accordance with EN 55011. The device may cause radio
interference in a domestic environment. In this case the operator may be required to take appropriate
measures.
3 Description
3.1 PMA 31-G laser receiver 1
@
On/off button
;
Audible signal setting button
=
Signal tone aperture
%
Receiving field
&
Display
(
Marking notch
)
Reference plane
+
Bubble level
§
Battery compartment cover
/
Indication of the position of the receiver
relative to the laser plane
:
Battery status indicator
3.2 Intended use
The tool is designed to detect laser beams from the PM 2-LG and PM 40-MG line lasers.
The tool and its ancillary equipment may present hazards when used incorrectly by untrained personnel or
when used not as directed.
Modification of the tool is not permitted.
Observe the information printed in the operating instructions concerning operation, care and maintenance.
Take the influences of the surrounding area into account. Do not use the device where there is a risk of fire
or explosion.
3.3 Items supplied
1 laser receiver
1 operating instructions
2 batteries
1 manufacturer’s certificate
Printed: 02.05.2017 | Doc-Nr: PUB / 5343882 / 000 / 01