7
8.
Statistic
Long press button
（
over 2 second
）
, the
unit will enter stat. mode
（
Display “N0”
）：
The number of measurements is 10
maximum(from N1-N0). You can decide
how much times you want to calculate.
For instance
，
you want to calculate 5
points statistical. Test your sample for 5
times at the different position. Its display
“
N5” and wait for 2 seconds
，
the
deviation and average value will be
calculated automatically. It’ll display
alternately.
Long press the button(over 2 second)
，
the
unit will quit stat. mode and enter the test
mode.
1
1
n
i
i
AVG
X
n
2
1
1
(
)
1
n
i
i
STDEV
X
X
n
