Section 3: Functions and features Model 2651A High Power System SourceMeter® Instrument Reference Manual
3-8 2651A-901-01 Rev. A / March 2011
To configure the instrument to append or overwrite measurements the next time data is
acquired:
1. Complete the steps from Saving reading buffers
(on page 3-8).
2. Press the CONFIG key. Select STORE, and then select STORAGE-MODE. The Storage Mode
menu is shown.
3. Select one of the following:
• APPEND
• OVERWRITE
4. Press the EXIT (LOCAL) key to return to the main menu.
Storage operation
Use this option to initiate a storage operation and to configure the number of readings acquired during
a storage operation. The reading count can range from 1 to 60,000 with timestamps and source
values enabled; the count can range to over 140,000 with timestamps and source values disabled.
NOTE
To store the maximum number of readings in a reading buffer (over 140,000), disable the source
values and timestamps for that reading buffer.
To specify the number of readings:
1. From the front panel, press the STORE key, and then select TAKE_READINGS.
2. Use the navigation wheel
to select the number of readings.
3. Push the navigation wheel to switch to edit mode.
4. Turn the navigation wheel
to change the numeric value, and then push the navigation wheel
to save the numeric value.
5. Press the ENTER key to save the count.
6. Press the OUTPUT ON/OFF control to start taking readings.
NOTE
If the output-off mode is set to output zero, the instrument will immediately start acquiring data as
soon as the OUTPUT ON/OFF control is pressed.
Saving reading buffers
You can save the dedicated reading buffers to nonvolatile memory, or you can save them to a USB
flash drive. Note that the instrument will restore the dedicated reading buffers from internal nonvolatile
memory when the unit is turned off and back on.
Saving the reading buffers to nonvolatile memory
After the measurements are complete, you can save the reading buffer data to the nonvolatile
memory in the instrument.
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