1-2
Appendix A: Device Firmware Upgrade
Using the DFU Application
1.
Locate
the
DFU.exe
file
specified
during
the
firmware
update
software
download.
2.
Select
the
DFU.exe
file.
The
DFU
main
window
is
then
displayed.
3.
As
soon
as
the
DFU
application
starts,
it
automatically
detects
IDs
(PID/VID).
To
rescan
supported
devices,
select
Scan
.
Note:
To
view
the
list
of
supported
devices,
refer
to
the
SejinPOSInfo.ini
file,
which
is
located
in
the
same
folder
as
the
DFU.exe
file.
4.
To
locate
the
firmware
update
file,
select
Load
and
then
open
the
file.
5.
Select
Upgrade
.
When
the
upgrade
is
complete,
a
message
is
displayed
on
the
lower
left–hand
corner
of
the
DFU
main
window.
6.
To
exit
the
DFU
application,
select
Exit
.
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