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1.3.4 Check Procedure of COM Port Number
The RS-232C communication test use the COM port that is set in the "RS test port" on
the "General settings" screen. When differ in the COM port with RS-232C cable and
the "RS test port" setting, the communication test fails. Check the following procedure
to find the COM port of the PC. The following figures are Windows XP screen.
Caution: When there is not COM port on the PC, the communication test cannot be
performed.
(1) Select the "Control Panel" from the Start menu.
Figure 36. Start menu
(2) Select the "Performance and Maintenance".
(When the setting becomes the classic view, jump this screen.)
Figure 37. "Control Panel" screen
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