National Instruments NI 6238 - Manual (Page 12)

© National Instruments Corporation xiii NI 6238/6239 User Manual
About This Manual
The NI 6238/6239 User Manual contains information about using the
NI 6238 and NI 6239 M Series data acquisition (DAQ) devices with
NI-DAQmx 8.1 and later. National Instruments 6238/6239 devices feature
up to eight differential analog input (AI) channels, two analog output (AO)
channels, two counters, six lines of digital input (DI), and four lines of
digital output (DO).
Conventions
The following conventions are used in this manual:
<> Angle brackets that contain numbers separated by an ellipsis represent
a range of values associated with a bit or signal name—for example,
AO <3..0>.
» The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options directs you to
pull down the File menu, select the Page Setup item, and select Options
from the last dialog box.
This icon denotes a tip, which alerts you to advisory information.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash.
When this symbol is marked on a
product, refer to the NI 6238/6239 Specifcations for information about
precautions to take.
When symbol is marked on a product, it denotes a warning advising you to
take precautions to avoid electrical shock.
When symbol is marked on a product, it denotes a component that may be
hot. Touching this component may result in bodily injury.
bold Bold text denotes items that you must select or click in the software, such
as menu items and dialog box options. Bold text also denotes parameter
names.