Chapter 4
Software Reference
© National Instruments Corp.
4-15
GPIB-410 User Manual
•
Trigger (with background capture)
•
Monitor Input
Display Window Layout
Up to sixteen buffer entries, one per line, can be viewed in the display
window at one time. When capturing is complete, two cursors are
provided for scrolling through the buffer and examining the individual
entries. Entries generally can be described as falling into one of the
following three categories.
Category
Example
Data transfer
'5' 35 00110101 00010 011 DAB
Control line event
'A' 41 01000001 01010 010 ATN^
Command transfer
'_' 5F 01011111 01010 011 UNT
The fields, columns, and indicators of the display window are described
in the following paragraphs.
•
C
◊
This column displays two numeric flags,
1
and
2
, that label and
distinguish the positional cursors. A blinking flag indicates the
currently active cursor–this cursor is always visible within the
display window. To activate the inactive cursor, use function key
<F9>. The header at the top of this column changes to
C_
when the
keyboard
Scroll Lock
feature is active (see Using the Display
Window later in this section).
This column is empty during Capture Echo operation.
•
∆
C
:
This field displays the relative offset of the currently active cursor
from the inactive cursor. This value is useful in determining the
distance between two points in the buffer. The (unlabeled) column
