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then the hypotenuse b will flash, after the
measuring point is locked, to press the
button to measure the hypotenuse
b, the cathetus b will flash then, after the
measuring point is locked, to press the
button to measure the cathetus c,
later on the device will calculate the value
of edge h automatically, and show the
calculated result in the main displaying
area. The measured results of a and b
and c will be shown in the supplementary
displaying area.
To press the
measured result, then arrange the new
measurement.
Note:
In Pythagorean measurement model,
the length of cathetus must be shorter
than the length of hypotenuse for
calculation in device, otherwise the
error prompt will be shown on the
screen.
In Pythagorean measurement model,
in order to guarantee the measurement
accuracy, the same starting point
must be selected accordingly, and the
measurement should be performed
in accordance with the instructed
measuring order with the hypotenuse,
cathetus.
6. Plus and minus measurement
function
1) The distance measurement in single
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button, clear off the last
time shall be operated in accumulative
way through the plus/ minus operation.
To press the
shown in the supplementary displaying
area of the screen (in the second line) and
enter into accumulative plus measurement
model, to press the
measured value, the currently measured
value and the accumulated value of above
two will be shown on the screen, the
last measured value and the currently
measured value will be shown in the
supplementary displaying area, and the
accumulated value of above two will be
shown in the main displaying area.
To press the
shown in the supplementary displaying
area (in the second line) and enter into
the accumulative minus measurement
model, to press the
measured value, the currently measured
value and the accumulative minus value
of above two will be shown on the screen,
the last measured value and the currently
measured value will be shown in the
supplementary displaying area, and the
accumulative minus value of above two
will be shown in the main displaying area.
2) The accumulative plus / minus area
According to the area measurement
method to measure the first area value,
the result can be get as per shown in
figure 1, to press the
button, the "+" will be
button, the last
button, the "-" will be
button, the last
button, the
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