Toya Vorel 81791 Manual De Instrucciones página 13

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to the single measurement mode being in any mode by pressing the button
marker CLEAR/OFF.
Continuous measurement mode
Continuous measurement is a type of direct measurement that allows meas-
urement in motion. The distance meter moves by increasing or decreasing
the measured distance, and the distance is displayed continuously. This
makes it possible, for example, to determine the distance to be travelled when
approaching or moving away from the surface to be measured. Switch on
the device, press and hold the button marked DIST until the display shows
"min" and "max". Move the distance meter reading the values on the display.
The distance meter automatically saves minimum and maximum distance
measures and shows them on the display. The triangle symbol (Δ) indicates
the diff erence between maximum and minimum distance. To go back to the
single measurement mode, press twice button marked DIST.
Area measurement (III)
CAUTION! It is possible to measure the area of only one rectangular area
at a time. Areas with diff erent shapes need to be divided into rectangles
and then measured separately, totalling the results of the separate meas-
urements up. Switch on the device and press the button marked FUNC/
UNITS select the area measurement marked with a rectangle symbol. The
display shows the measurement symbol with a fl ashing edge, the length of
which will be measured. Perform the measurement as in the case of meas-
urement of a single distance, and then measure the second distance. The
distance measurement can be seen in the previous measurement fi eld and
the calculated area is displayed in the last measurement fi eld. To delete the
last measurement, short press the button marked CLEAR/OFF. Press this
button again to can delete the previously measured distance.
Cubic volume measurement (IV)
CAUTION! It is possible to measure the area of only one cuboid at a time.
Cubic volumes with diff erent shapes need to be divided into cuboids and
then measured separately, totalling the results of the separate measure-
ments up. Switch on the device and press the button marker FUNC/UNITS
to select cubic volume measurement marked with a cuboid symbol. The
display shows the measurement symbol with a fl ashing edge, the length of
which will be measured. Perform the measurement as in the measurement
of a single distance, and then measure the second distance. The distance
measurement can be seen in the previous measurement fi eld and the cal-
culated cubic volume is displayed in the last measurement fi eld. To delete
the last measurement, short press the button marked CLEAR/OFF. Press
this button again to can delete the previously measured distance.
Indirect measurement
This type of measurement is used to measure distances when direct meas-
urement is not possible, for example there are obstacles in the laser beam
path. The measurement can be used to measure height when there is no
direct access to the surface to be measured. Since the result of a measure-
ment depends on calculations based on the measured indirect distances,
the result of such a measurement will always have a greater error than the
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