PASCO Xplorer GLX, Руководство пользователя

Страница: 62 / 152

56 S e n s o r s S c r e e n
Sensor Settings
To change any of the settings, use the arrow keys to highlight the settings and
press .
If you are using a mouse, click the desired setting.
Sample Rate Unit
Select Sample Rate Unit
2
to choose how the sampling rate
will be measured. The choices are samples per second; or seconds, minutes, or
hours (time between samples).
Sample Rate
Select Sample Rate
3
to set the sensor’s rate of data collection
(measured in the units selected above).
Open the Sampling Rate menu or change the
sampling rate with and
Reduce/Smooth Averaging This feature is a type of oversampling. You can
use it to:
• reduce what would be a large data set to a manageable size,
• smooth noisy data,
• improve the effective resolution of a sensor.
Select Reduce/Smooth Averaging and choose the number of points to be aver-
aged.
4
The number of points represents the factor by which the effective sam-
pling rate, data set size and noise level are reduced.
2
To select Sample Rate Unit
Keypad
1. Use the arrow keys to highlight Sam-
ple Rate Unit
2. Press to open the menu.
3. Use the arrow keys to highlight the
desired units and press ; or press
the number on the keypad corre-
sponding to the desired units.
Mouse
1. Click Sample Rate Unit to open the
menu.
2. Click the desired units.
Time between
samples
Number of
samples per
second
3
To select Sample rate
Keypad
1. Use the arrow keys to highlight Sam-
ple Rate.
2. Press to open the menu.
3. Use the arrow keys to highlight the
desired rate and press ; or press
the number on the keypad corre-
sponding to the desired rate.
or
1. Use the arrow keys to highlight Sam-
ple Rate.
2. Press or to increase or
decrease the value.
Mouse
1. Click box to the right of Sample Rate
to open the menu.
2. Click the desired rate.
+
+
+
4
To select Reduce/Smooth Averaging
Keypad
1. Use the arrow keys to highlight
Reduce/Smooth Averaging.
2. Press to open the menu.
3. Use the arrow keys to highlight the
desired number of points and press
; or press the number on the key-
pad corresponding to the desired
number of points.
Mouse
1. Click the box to the right of Reduce/
Smooth Averaging to open the menu.
2. Click the desired number of points.
No averaging
2-point averaging
10-point averaging