Realignment - Kenwood TKR-850 Service Manual

TKR-850
1. Modes
User mode
PC mode
Firmware Programming mode
Mode
User mode Use this mode for normal operation.
PC mode Use this mode to make various settings by
means of the FPU through the RS-232C port.
PC programming Use to read and write frequency data and
mode other features to and from the repeater.
PC test mode Use to check the repeater using the PC.
This feature is included in the FPU.
Firmware pro- Use when changing the firmware program
gramming mode of the flash memory.
2. How to Enter Each Mode
Mode
User mode Power on.
PC mode Received commands from PC.
Firmware Pro- [PF1] key + Power on (one second).
gramming mode
3. PC Mode
3-1. Preface
The TKR-850 repeater is programmed by using a personal
computer, programming interface and KPG-91D (ver 2.0 or
later) software.
3-2. Connection Procedure
1. Connect the TKR-850 to the personal computer with the
interface cable.
2. When power is applied, the user mode is entered immedi-
ately. When the PC sends a command, the repeater en-
ters the PC mode and displays "PC" on the 7-segment
LED. When data is being transmitted to the PC from the
repeater, the TX LED flashes. The BUSY LED flashes
when data from the PC is being received by the repeater.
Note :
• The data stored in the personal computer must match the
model type, when it is written into the flash memory.
• Change the TKR-850 to PC mode, then attach the inter-
face cable.
4

REALIGNMENT

PC programming mode
PC test mode PC tuning mode
Function
Operation
3-3. KPG-46 Description (PC Programming Inter-
face Cable : Option)
The KPG-46 is required to interface the TKR-850 to the
computer. It has a circuit in its D-sub connector (25-pin) case
that converts the RS-232C logic level to the TTL level.
The KPG-46 connects the microphone connector of the
TKR-850 to the computer's RS-232C serial port.
3-4. Programming Software Description
The KPG-91D is the programming software for TKR-850
supplied on a CD-ROM. This software runs under Windows
98, ME, Windows 2000 or XP on an IBM-PC or compatible
machine.
The data can be input to or read from TKR-850 and edited
on the screen. The programmed or edited data can be
printed out. It is also possible to tune the transceiver.
3-5. Programming With IBM PC
Data can be programmed into the flash memory in RS-
232C format via the microphone connector.
IBM-PC
KPG-91D
Fig. 1
4. Firmware Programming Mode
4-1. Preface
The TKR-850 uses flash memory to allow it to be easily
upgraded when new features are released in the future.
4-2. Connection Procedure
Connect the TKR-850 to the personal computer (IBM PC
or compatible) with the interface cable (KPG-46). (Connection
is the same as in the PC mode.)
Notes :
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.
KPG-46
TKR-850