Bosch GLM165-22 Instrucciones De Funcionamiento Y Seguridad página 25

ment. Hold down the function button (2) [Func]. Press
the plus button (6) [ ] or the minus button (3) [ ] to
scroll until the highlighted box appears over the icon
. Press the measure button (5) [ ]. Place the laser
measure on a table or surface and measure the grade.
Turn the laser measure 180° and measure the grade
again. The difference of the indicated reading may not
exceed 0.3°. If the deviation is greater, the laser mea-
sure must be recalibrated. Select
rections on the display.
After severe temperature changes or impacts, we rec-
ommend to check the accuracy and, if required, to reca-
librate the laser measure. After a temperature change,
the laser measure must adjust to the new temperature
before calibrating.
Accuracy Check of the Distance Measurement
The accuracy of the distance measurement can be
checked as follows:
- Select a permanent measuring section with a length
of approx. 10 ft to 33 ft (3 m to 10 m); its length
must be precisely known (e.g. the width of a room
or a door opening). The measuring distance must
be indoors; the target surface for the measurement
must be smooth and reflect well.
- Measure the distance 10 times in a row.
The deviation of the individual measurements from the
mean value must not exceed ± 5/32" (± 4 mm). Log the
measurements so that you can compare their accuracy
at a later point in time.
Working with the Tripod (Accessory)
The tripod is particularly useful for measuring greater
distances. Position the laser measure with 1/4" thread
(14) onto the quick-change plate of a tripod (21).
Tighten the laser measure with the locking screw of the
quick-change plate.
Set the corresponding reference point for the measure-
ment with a tripod by pushing the measuring reference
button (5) and using the plus button (6) [ ] and minus
button (3) [ ] to scroll until the highlighted box ap-
pears over the .
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. Follow the di-