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Software Reference
Chapter 4
GPIB-410 User Manual
4-30
© National Instruments Corp.
Warning:
Attempting to operate the Pattern Generator with a DMA
channel already in use by another device may crash your
system or have other unpredictable effects.
If there is no unused DMA channel available on your computer, select
programmed I/O (PIO) operation by setting this field to
NONE
.
Interrupt Jumper Setting
Use this field to specify the interrupt level used by the GPIB-410
interface board. There are six options.
•
2
•
5
•
3
•
6
•
4
•
7
(default)
Any one of the valid levels can be selected if the level is not already in
use by another device. The value selected must match the interrupt
jumper setting on the interface board itself.
Warning:
Attempting to operate some functions of the GPIB-410
software with an interrupt level already in use by another
device may crash your system or have other unpredictable
effects.
Status Refresh Rate
Use this field to specify the maximum frequency at which the Monitor
window and DOS icon status indicators are updated. There are six
options.
•
1 Hz
•
9 Hz
•
3 Hz
•
18 Hz
•
6 Hz
•
MAXIMUM
(default)
Selecting one of the five numeric options guarantees that the status
indicators are updated at the specified rate regardless of most other
activity in the system (with the exception of disk I/O), but can have a
negative impact on overall performance. Selecting
MAXIMUM
instructs