Icom Icf4003 Programming Software Work -

A: Loopback test: Short TX and RX pins (pins 2 and 3 on DB9). Use a terminal app (e.g., PuTTY). Typed characters should echo.

Set individual channels to transmit at High (4W) or Low (1W) power. icom icf4003 programming software work

: Assign specific frequencies to each of the radio's channels. A: Loopback test: Short TX and RX pins (pins 2 and 3 on DB9)