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7. SET UP MODE
7.6 Setting for Moving Average Calculations (Dot-printing model)
7.6 Setting for Moving Average Calculations (Dot-printing model)
Noise in the measured signal can be suppressed in the final measurement by computing
a moving average. It is possible to record a moving average calculated over the previous
X samples, selectable from the previous 2 samples up to the previous 16 samples. The
purpose of the following setting is to select for each channel whether or not to compute
a moving average, and if so, over how many samples.
(One sampling period is five seconds.)
The initial value is ‘OFF’.
Example: (let us assume a moving average over five samples is selected)
10.0mV
5.0mV
0.0mV
–5.0mV
–10.0mV erased
0.0mV
1
Average
15.0mV
10.0mV
5.0mV
0.0mV
–5.0mV
5.0mV
10.0mV
15.0mV
10.0mV
5.0mV
0.0mV
8.0mV
erased
new data new data
Buffer data for
nth sample
Buffer data for
(n+1)th sample
Buffer data for
(n+2)th sample
2
3
4
5
SETTING PROCEDURE:
Enter the SET UP mode by turning ‘ON’ the power while pressing and holding the [CH
UP] ( ENT) key until the SET UP display appears.
Use the [ ] key to select the display [ ]. Press the [ENT] key.
Select the channel No. using the [ ] key for which you want to compute a moving
average. Then press the [ENT] key.
Use the [ ] key to select the number of samples. You can choose from ‘OFF’, ‘2’, ‘3’,
... up to ‘16’. Press the [ENT] key. The display [ ] will appear.
Press the [ENT] key to continue the setting for other channels. The moving average
setting has been completed, but has not been stored yet.
Before leaving the SET UP mode, you have to store your new settings. Use the [ ] key
to select the [ ] display, and press the [ENT] key.
Select [ ] to keep your new settings or [ ] to abort the settings, and
press the [ENT] key. After a few seconds, the OPERATION mode will appear.