Bosch GLM 80 Instrucciones De Funcionamiento página 30

measurements from the mean
value must not exceed ±2 mm
(max.). Log the measurements, so
that you can compare their
accuracy at a later point of time.
Working with a Tripod
The use of a tripod is particularly
necessary for larger distances.
Position the measuring tool with
the 1/4" thread 19 onto the
quick-change plate of the tripod or
a commercially available camera
tripod. Tighten the measuring tool
with the locking screw of the
quick-change plate.
Set the corresponding reference
level for measurement with a
tripod by pushing button 10 (the
reference level is the thread).
Working with the digital level
attachment (see figures I–K)
The digital level attachment 24
can be used for a more accurate
grade measurement
Distance measurements are not
possible with the digital level
attachment.
measuring tool with locking lever
25. Press the measuring button 2
to activate the "digital level
attachment" operating mode.
Regularly check the accuracy of
the grade
result.
Place
measuring
into the digital
level attachment
24 as shown and
lock
measurement
carrying
measurement or with the spirit
levels
attachment.
In case of greater deviation, the
measuring
recalibrated. For this, press and
hold the grade measurement
button 3. Follow the directions on
the display.
To end
attachment"
switch the measuring tool off and
remove it from the digital level
attachment.
the
tool
the
by
-30-
out a
of the digital
tool must
the "digital
operating
reversal
level
be
level
mode,