Press button
for measure the length of another side b
Press button
for measure the length of the altitude c
The device calculates the length of the third side x.
5th mode: Calculate the length of hightlight side by measuring
hypotenuse auxiliary line base leg of the right triangle
Press button
seven times, screen shows
Press button
for measure the length of hypotenuse a,
Press button
for measure the length of auxiliary line b,
Press button
for measure the length of another leg c,
Device calculate the length of the highlight line x
20
6th mode: Calculate the area of an irregular triangle by measu-
ring the length of its three sides.
Press button
Press button
Press button
Press button
Device calculate the area S.
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ATTENTION:
For all measurement if the device shows "ERR5" while measu-
ring, that means the previous measuring results are not accom-
pany to the rule of triangle.
For example, the hypotenuse is shorter than the leg.
When there are results mistakes, the device will show "ERR5" to
alarm. In this case, users need to measure again.
If the user wrong result in last measurement, short press button
to return to the last measurement and measure again.
Long press button
eight times, screen shows
for measure the first leg a
for measure the second leg b
for measure the third leg c
to save the result.
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