Kenwood NX-3400 Service Manual page 6

2.2.5 PC Mode
2.2.5.1 Preface
The transceiver is programmed by using a personal computer
(PC), a USB programming cable (KPG-36U/36X) and a
Programming software (FPU).
The programming software can be used with a PC. Figure 1
shows the setup of a PC for programming.
FPU
2.2.5.2 Connection procedure
(1) Connects the transceiver to the PC using the KPG-36U/
36X.
Note:
You must install the KPG-36U/36X USB driver in the PC
to use the KPG-36U/36X.
(2) When the POWER switch on, user mode can be entered
immediately. When PC sends command the transceiver
enter Data programming mode (PC mode), and
"PROGRAM" is displayed on the LCD.
When data transmitting from the transceiver, the red LED
lights.
When data receiving to the transceiver, the green LED
light.
Note:
The data stored in the PC must match the "Model Name"
when it is written into the flash memory.
2.2.5.3 KPG-36U/KPG-36X description (USB programming
interface cable: Option)
The KPG-36U/36X is a cable which connects to a USB port on a
PC.
When using the KPG-36U/36X, install the supplied CD (with
driver software) in the PC. The KPG-36U/36X driver runs under
Windows 7, 8.1, 10.
The latest version of the USB driver is available for download
from the following URL:
https://www.kenwood.com/usb-com/
(This URL may change without notice.)
1-6 (No.RA070<Rev.001>)
PC
KPG-36U
or KPG-36X
Fig.1
2.2.5.4 Programming software KPG-D3/D3N (Ver. 2.00 or
later) description
The FPU is the programming software for the transceiver
supplied on a CD. This software runs under Windows 7, 8.1, 10.
The data can be input to or read from the transceiver and edited
on the screen.
2.2.6 Firmware Programming Mode
2.2.6.1 Preface
Flash memory is mounted on the transceiver. This allows the
transceiver to be upgrade when new features are released in the
future. (For details on how to obtain the firmware, contact
Customer Service.)
2.2.6.2 Connection procedure
Connect the transceiver to the PC using the programming
interface (KPG-36U/36X). (Connection is same as in the PC
mode.)
2.2.6.3 Programming
(1) Start up the firmware programming software (KENWOOD
Firmware Loader). The KFL.exe exists in the KPG-D3/D3N
installed folder.
(2) Set the baud rate to "auto" or 1152000, 576000, 115200,
and 57600.
(3) Set the firmware to be upgrade by file name item.
(4) Check the connection between the transceiver and the PC.
(5) Press "Write" button in the window. When the transceiver
starts to receive data, the "LOADING" is displayed on LCD,
and the Green LED lights.
(6) If writing ends successfully, the checksum is calculated
and a result is displayed on the LCD. Also the Red LED
lights.
(7) If you want to continue programming other transceivers,
repeat step (5) to (6).
Note:
If write is performed by KFL, Firmware programming
mode will start automatically even if Firmware
programming is set to disable in the programming
software.
2.2.6.4 Function
If you press the [ ] button while "FIRMWARE PROG" is
displayed, the checksum is calculated, and a result is displayed.
If you press the [ ] button again while checksum of the
Encryption Library is displayed. If you press the [
again while checksum of the Encryption Library is displayed,
"FIRMWARE PROG" is redisplayed.
] button