MFJ-1204 USB Radio Interface User Manual

MFJ-1204 USB Radio Interface is used to connect a computer and a radio device. It is easy to use and does not require complex wiring or setup procedures.

Brand: MFJ Enterprises
Category: Other Electronics
Document type: User Manual
Language: English
Pages: 12
File format: PDF
File size: 117 KB
Published: 15 October, 2023
Updated: 15 October, 2023
MD5 checksum: A84464AFE8636B1BC04AEB61973E03E7
PDF: MFJ-1204 USB Radio Interface User Manual PDF

About this manual

The MFJ-1204 is a USB radio interface designed to connect Ham radios to computers for digital modes. It features full USB connectivity, is powered directly by the USB port, and includes a dedicated on-board sound card. The device supports various communication modes such as CW, RTTY, PSK31, and EchoLink, and works with dozens of free downloadable programs.

What's inside

Introduction
MFJ-1204 Features
Connecting to your Radio
Changing Radios
Connecting to the Computer
Communication Modes
Receive Audio Level
Transmit Audio Level
Re-Setting Jumpers
Rerouting An Existing Jumper Setup

Specifications

Power Source	Powered by USB port
Sound Card	Dedicated on-board sound card
Connectivity	Full USB connectivity
Compatible Modes	CW, RTTY, SSTV, AMTOR, PSK31, EchoLink, MT-63, WINMOR, WSPR, WSUJT-X

Frequently asked questions

Does the MFJ-1204 require a separate power adapter?

No, the MFJ-1204 is powered directly by the USB port and does not need a power adapter.

What software is recommended for the MFJ-1204?

While MFJ does not endorse specific programs, many operators recommend HamScope as a good starting point.

Can the MFJ-1204 be used with radios other than those listed in the manual?

Yes, if you own an unlisted radio, you can determine the appropriate jack and pin-out configuration by referring to its operating manual.

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