User's Manual

〔
How to check
〕
①
In Windows 98, Open the [System] le in the [Control Panel] (Figure 1).
《
Figure 1 Control Panel
》
74
A: If you have a computer with energy saving function settings, make
sure that the serial port has not been turned off. Especially on NEC
brand PC98 notebook computers the default setting maybe such.
A: If your computer is a DOS/V type, check to make sure that the serial
port has not been rendered unusable by the BIOS setting.
A: If your computer is Windows 98/Me/NT/2000/XP please make sure
that the serial port setting has not been made to render it unusable.
With many all-in-one computers it serves as the modem jack.
②
Open the [Device Manager] le in the [System Properties] window and
double click on [Port (COM&LPT)] (Figure2) to open. Check to see if
[Com Port (COM1)] and/or [Com Port (COM2)] are displayed. If so,
they should be usable unless they have a [
!
] or a [
×
] (Figure3) mark
on them. If such a mark exists, this port is unusable. If you cannot use
a communication port please contact your computer’s maker.
《
Figure 3 [Port (COM&LPT)]
enlarged view
》
《
Figure 2
[
Device Manager
]
》