National Instruments 3.22E+04 用户手册

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Chapter 3
Configuration
3-2
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Note
Transceiver modes apply to RS-485 interfaces only. For more information about 
transceiver modes, refer to Chapter 4, 
.
5.
To save your changes, click on the OK button. To exit without saving 
the changes, click on the Cancel button.
Port Settings Tab
In the Port Settings tab, you can change any of the settings by clicking on 
the arrow button to the right of a field. When you click on the arrow button, 
a list of valid values for that field appears and you can select the desired 
setting from the list. Figure 3-1 shows the Port Settings tab.
Figure 3-1.  Port Settings Tab
The following sections describe the options you can set in the Device 
Manager Port Settings tab.