CHIRP

TK-250/350 PROCEDURE OF WRITING MAIN PROGRAM

Connection

1. Connect KPG-8 or KPG-22 between radio and computer.

Radio side

1. Power is on while holding "LAMP" and "SCN SW" and then release them after 3

seconds.

2. Radio will display "PROG" (flashing).

Notice: Make sure you must enable the "Main Programming Mode" using FPU

(KPG-23D).

Computer side

1. Use DOS command as blow.

C:\>MODE COM1:9600,N,8,2

Computer will display "COM1:9600,N,8,-"

C:\>COPY A:\TK250.HEX COM1

After copy, computer will display "1 file(S) copied".

Also you can use communication software such as WINDOWS TERMINAL. Setting

as below.

Baud rate: 9600bps

Data: 8bit

Parity: None

Stop: 2bit

Flow: Off

2. If data transfer completely, radio will display check sum: "####"

(4 digits) and TX LED will light.