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1.
RS232 interface:
Default setting is on RS232 interface. It’s
simulated by USB interface.
You may also select it by “Card Manager”
Figure 2-4
2. Keyboard Interface:
It’s simulated by USB interface.
Because of default interface is RS232,
therefore, when you are going to change
interface to Keyboard interface, you have
to run “Card Manager”. In “Card Manager”,
select COM port, then select “keyboard”
and press “Apply” ensures you are with
keyboard interface.