User's Manual

●
To nd out more details about the port in question you can double
click on [!] to open [Properties] and a window giving details about
that port will appear.
75
Device status
The drivers for this device are not installed [Code 28.]. To
reinstall the drivers for this device, click Reinstall Driver.
A: Sometimes communication will not work if an extension cable has been
added to the communication cable, or if a switch has been added to the
serial port (RS-232C).
A: Check to see if some other communication software is in use.
A: Most desktop models have two serial ports, try changing the plug to
the other port and change the settings.
A:
If your computer has an internal modem, make sure that the
communication port is not being used by it. In some cases, even
though no settings appear for the communication port, it cannot be
used. Check to see which port is being used by the modem.
Figure 7 Case where modem is using Port (COM1)