Kenwood TKR-D710 Service Manual page 5

3-3. KPG-46A Description
(PC programming interface cable: Option)
The KPG-46A is required to interface the transceiver to
the computer. It has a circuit in its D-sub connector (KPG-46A:
9-pin) case that converts the RS-232C logic level to the TTL
level.
The KPG-46A connects the 8-pin microphone connector
of the transceiver to the RS-232C serial port of the comput-
er.
3-4. KPG-46U/46X description
(USB programming interface cable: Option)
The KPG-46U is a cable which connects to a USB port on
a computer.
When using the KPG-46U, install the supplied CD (with
driver software) in the computer. The KPG-46X driver runs
under Windows Vista, 7 , 8 or 8.1(32/64-bit).
The latest version of the USB driver is available for down-
load from the following URL:
http://www.kenwood.com/usb-com/
(This URL may change without notice.)
3-5. Programming Software KPG-174D (Ver. 2.10 or
later) Description
The FPU is the programming software for the transceiver
supplied on a CD. This software runs under Windows XP ,
Vista, 7 , 8 or 8.1 on a PC.
The data can be input to or read from the transceiver and
edited on the screen. The programmed or edited data can
be printed out. It is also possible to tune the transceiver.
PC
FPU
PC
D-SUB
(9-pin)
KPG-46A
Transceiver
Fig. 1
REALIGNMENT
KPG-46A or KPG-46U/46X +
Tuning cable (E30-3383-05)
TKR-D710
PC
USB
KPG-46U/46X
Transceiver
4. Firmware Programming Mode
4-1. Preface
The repeater uses fl ash memory to allow it to be easily
upgraded when new features are released in the future.
4-2. Connection Procedure
Connect the repeater to the personal computer using the
interface cable (KPG-46A/46U/46X) (Connection is the same
as in the PC Mode.)
Note:
You can only program firmware from the 8-pin micro-
phone connector on the front panel. Using the 25-pin logic
interface on the rear panel will not work.
4-3. Programming
1. Start up the fi rmware programming software (Fpro.exe
(ver. 6.20 or later)). The Fpro.exe exists in the KPG-174D
installed folder.
2. Set the communications speed (normally, 115200 bps)
and communications port in the confi guration item.
3. Set the fi rmware to be updated by File name item.
4. Turn the repeater power ON with the [PF1] key held
down. Then, "P .G. " is displayed.
5. Check the connection between the repeater and the per-
sonal computer, and make sure that the repeater is in the
Program mode.
6. Press write button in the window. When the repeater
starts to receive data.
7 . If writing ends successfully, the TX LED on the repeater
lights.
8. If you want to continue programming other repeaters,
repeat steps 4 to 7 .
Note:
This mode cannot be entered if the Firmware Program-
ming mode is set to Disable in the Programming soft-
ware.
4-4. Function
If you press the [PF6] key while "P .G. " is displayed, the
display changes to "P G" to indicate that the write speed
is low speed (38400 bps). If you press the [PF6] key again
while "P G" is displayed, the display changes to "P G. " to
indicate that the write speed is mid speed (57600 bps). If
you press the [PF6] key again while "P G. " is displayed, the
display changes to "P .G. " to indicate that the write speed is
high speed (115200 bps).
Note:
Normally, write in the high-speed mode.
TKR-D710
5