Kenwood NX-3720HG Service Manual page 168

(4) Upon startup of FLDM loader, "FIRMWARE PROG" appears on an LCD screen.
(5) Start KFL up, select the desired firmware you wish to overwrite, select the COM port number and baud rate, and then click the
"Write" button.
Note:
Configuring "Auto" for baud rate automatically apply the maximal speed of baud rate allowed for a programming cable
connected to the selected COM port number.
Upon start of overwriting on the transceiver, "LOADING" appears on an LCD screen.
(6) Upon completion of the firmware overwriting, "CHECKSUM xxxx" appears on an LCD screen.
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