Care And Maintenance - Hilti PD 42 Mode D'emploi

7.11 Saving the current measurement
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If several distance measurements have been taken, up to
3 previous measurements are shown in the intermediate
result lines in the standard display, i.e. in total, the 4
previous measurements are shown and saved. The last
measurement taken is shown in the lowest line of the
display.
7.12 Data memory
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8 Care and maintenance

8.1 Cleaning and drying
1. Blow dust off the lenses.
2. Do not touch the glass or the filter 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. The temperature limits for storage of your equipment
must be observed, especially in winter / summer.
8.2 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
the equipment only once it is completely dry.
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The tool saves measurements and the results of calcula-
tions continuously while in operation. A total of up to 30
values, including graphic symbols, are saved in this way.
The complete set of information displayed is saved in the
following situations:
A function provides a valid result when:
A valid distance is measured and shown in the standard
display:
Distances are added using the "Plus" button – the last
total is saved in each case.
Distances are subtracted using the "Minus" button – the
last total is saved in each case.
NOTE
When data memory is already filled with the 30 previous
sets of displayed data, the "oldest" set of data is deleted
when a new set of displayed data is saved.
7.12.1 Clearing data memory
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Data memory can be completely cleared by pressing the
C-button for approx. 2 seconds while data memory is
displayed.
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.
8.3 Transport
Use the Hilti toolbox or packaging of equivalent quality
for transporting or shipping your equipment.
CAUTION
Always remove the batteries before shipping the tool.
8.4 Calibration and adjustment
8.4.1 Calibration
Monitoring of measuring equipment for users certified in
accordance with ISO 900X: As specified in ISO 900X, you
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