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ABM-4082
4.3
Buffer Operations
Model DMM has a buffer to store from 2 to 512 readings and units. In addition, recalled data includes
statistical information, such as minimum, maximum, average and standard deviation.
The buffer fills with the requested number of readings and stops. Readings are placed in the buffer after any
math operations are performed. Buffered data is overwritten each time the storage operation is selected.
The data is volatile; it is not saved through a power cycle.
The following paragraphs will discuss storing and recalling buffered data.
4.3.1
Storing Reading
Select a measurement function and connect the test leads to the signal under test first. Then use the
following procedure to store readings:
1.
Set up the instrument for the desired configuration
Press Shift →
2.
3.
Use
or
displayed.
4.
Press
to move down to the command level within the SYS MENU, "1: RDGS STORE" will be
displayed.
5.
Press
to move down a level to set RDGS STORE function.
6.
Use
or
7.
Press Auto (ENTER) to confirm the ON/OFF selection. The message "CHANGE SAVED" will be
displayed to show that the change is now in effect. DMM automatically exits the parameter level and
moves up a level to the command level.
8.
Use
to move across to the RDGS COUNT command on the command level, "2: RDGS COUNT"
will be displayed.
9.
Press
to move down a level to edit the number for storing.
10. Use
and
or decrement the digits. Enter a number for storing (from 2 to 512).
11. Press Auto (ENTER) to confirm the number for storing. The message "CHANGE SAVED" will be
displayed to show that the change is now in effect. DMM will exit the parameter level and move up a
level to the command level.
12. Press Shift →
13. The asterisk (*) annunciator turns on to indicate a data storage operation. It will turn off when the
storage is finished.
4.3.2
Recalling Readings
Use the following steps to recall stored readings and buffer statistics:
Press Shift →
1.
2.
Use
or
displayed.
40
to enter the menu on the menu level, "A: MEAS MENU" will be displayed.
key to move across to the SYS MENU on the menu level, "D: SYS MENU" will be
key to set reading store function to ON or OFF.
keys to choose a numerical place and use
key to exit from the menu and return to the measurement status.
to enter the menu on the menu level, "A: MEAS MENU" will be displayed.
key to move across to the SYS MENU on the menu level, "D: SYS MENU" will be
and
keys to increment
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