Sharp PN-K321, Service Manual

Page: 74 / 171

PN-K321/K322B FIRMWARE UPDATA PROCEDURES 5-5
2-4. COMMUNICATION PORT CHANGE
PROCEDURE
■ GENERAL
Use of USB-serial conversion cable etc. may assign
communication port to COM10 or more. Since a port number has
restriction depending on a service tool, it is necessary to change
the assigned port number. The modification procedure of a port
number is as follow.
Although the procedure explained here is a thing in the case of
using the USB-Serial conversion cable (Buffalo (old Arvel), USB
serial cable (SRC06USB) and a setting item may be different
depending on environment,
set a procedure as reference.
■
SETTING PROCEDURE (Windows XP)
1) Select “file name is specified and performed" from "start" menu.
2) Input “devmgmt.msc”.
3) Press [OK] and device manager is started and "a port (COM
and LPT)" is displayed.
4) By the COM port currently used, it right-clicks and a "property"
is chosen, on the property screen of COMxx, a "setting of port"
tab is chosen and a "detailed setting" button is pushed.
5) COM number is chosen by "COM port number."
(COM6 is chosen in the example of a screen)
(CAUTION)
Choose the COM number which is not displayed in "Port (COM
and LPT)" of the device manager. Although COM to choose may
have become "in use", selection is possible when not displayed in
"a port (COM and LPT)."
6) Choose "yes", when the following dialog is displayed.
Setup of a communication port is completed above.