Kenwood TK-290 Service Manual page 17

TK-290
4. Firmware Programming Mode
4-1. Preface
Flash memory is mounted on the TK-290. This allows the
TK-290 to be upgraded when new features are released in
the future. (For details on how to obtain the firmware, con-
tact Customer Service.)
4-2. Connection Procedure
Connect the TK-290 to the personal computer (IBM PC or
compatible) with the interface cable (KPG-36). (Connection
is the same as in the PC Mode.)
4-3. Programming
1. Start up the programming software (KPG-38D), select
"firmware program" in the "Program" item, and press
the Return key on the personal computer. This starts up
the firmware programmer.
2. The top screen is displayed. Press any key to advance to
the next screen.
3. Set the communications speed (normally, 38400 bps)
and communications port in the Setup item.
4. Set the firmware to be updated by File select.
5. Held down the [Side 2] and [PTT]. Turn the TK-290 power
on, and release [Side 2] first. Until the display change to
"PROGRAM".
6. Check the connection between the TK-290 and the per-
sonal computer, and make sure that the TK-290 is in the
Program mode.
7. Press F10 on the personal computer. A window opens
on the display to indicate progress of writing. When the
TK-290 starts to receive data, "PG" is appeared on 2 digit
sub display.
8. If writing ends successfully, the red LED on the TK-290
lights and the checksum is displayed.
9. If you want to continue programming other TK-290s, re-
peat steps 5 to 8.
Notes :
• To start the Firmware Programmer from KPG-38D, the
Fpro path must be set up by KPG-38D setup.
• This mode cannot be entered if the Main Program mode
is set to Disable in the Programming software (KPG-38D).
16
REALIGNMENT
4-4. Function
1. If you press the [Top 2] switch while "PROGRAM" is dis-
played, the checksum is displayed. If you press the
[Top 1] switch while the checksum is displayed, "PRO-
GRAM" is redisplayed.
2. If you press the [Top 1] switch while "PROGRAM" is dis-
played, 1 dot light ("M.") to indicate that the write speed
is low-speed (19200 bps). If you press the [Top 1] switch
again while low-speed (19200 bps), 2 dot lights (".M.") to
indicate, and the write speed becomes the high-speed
mode (38400 bps).
The communication speed changes 19200 bps, 38400
bps, 57600 bps (3 dots), and 115200 bps (4 dots) every
time you press [PTT] and [Top 1].
Note :
Normally, write in the high-speed mode.
When the Flash ROM is replaced, the initial communica-
tion speed for writing becomes 115200 bps.
5. Panel Test Mode
Setting method refer to ADJUSTMENT.