Chapter 4
Software Reference
© National Instruments Corp.
4-5
GPIB-410 User Manual
Capturing remains enabled until one of the following conditions occurs.
•
You type <Alt-C> again.
•
The capture buffer fills up and the software is configured to stop
capturing on this occurrence.
•
An excessive number of status entries are lost or missed by the
GPIB-410 hardware due to a sustained high-speed sampling rate.
After capturing terminates, use the Capture Display screen to view and
analyze the contents of the capture buffer. To save the contents of the
capture buffer to a file on disk, use the
Capture Write
function
<Alt-W>. To reload the contents of a previously saved file back into
the capture buffer, use the
Capture Load
function <Alt-L>.
The Capture Settings screen contains the following fields.
•
Capture stimulus
•
Participate in handshake
•
Buffer Setup: Maximum capacity
•
Buffer Setup: Action when buffer full
•
Buffer Setup: Auto-write each pass
•
File Setup: Buffer range for <Alt-W>
•
File Setup: Capture file name
Capture Stimulus
Use this field to specify when or how often to save the status of the
GPIB signal lines during a capture operation. There are three options.
•
SELECTED GPIB EVENTS
•
INTERNAL CLOCK PULSE
•
EXTERNAL CLOCK PULSE
