User and Programming Manual - Rev H
California Instruments
May 2000
P Series
44
7. Expand the Ports(COM&LPT) tree selection by clicking on the ‘+’ sign
8. Select the COM port you plan to use to
communicate with the P or RP series power
source.
9. With the correct COM port selected, click on
the Properties button at the bottom left of the
dialog box.
10. This brings up the settings dialog box for the
COM port. In this example, COM2 is used.
11. From the tabs at the bottom of the dialog
box, select the “Port Settings” tab.
12. This should bring up the dialog shown in
Figure 9-2
13. Next, select the Advanced button to bring up the advanced port settings dialog box shown in Figure
9-3
14. At the top of the dialog box, disable the “Use FIFO buffers (requires 16550 compatible UART)”
checkbox. This will bypass the UART FIFO’s and enable the hardware handshake to work
correctly.
15. Click on the all OK buttons to close all dialog boxes that remain open.
16. This should enable the PGUI to work correctly.
Figure 9-2: Advanced Port Settings Dialog Box
Figure 9-3: COM Port Properties Dialog
Box