📘 MFJ manuals • Free online PDFs

MFJ Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for MFJ products.

Tip: include the full model number printed on your MFJ label for the best match.

MFJ manuals

Latest manuals from manuals+ curated for this brand.

MFJ-1204 USB Radio Interface User Manual

Instruction Manual
User manual for the MFJ-1204 USB Radio Interface, covering setup, features, radio connection diagrams, jumper configurations, software, troubleshooting, and warranty information for ham radio enthusiasts.

MFJ-9420 20 Meter SSB Travel Radio Installation Manual

Installation Manual
Comprehensive installation and operation manual for the MFJ-9420 20 Meter SSB Travel Radio. This guide covers features, setup procedures, operating notes, troubleshooting, field alignment, and technical specifications for the MFJ-9420…

MFJ Versa Tuner II MFJ-941E User Manual and Technical Guide

manual
Comprehensive guide to the MFJ Versa Tuner II MFJ-941E, covering general information, cross-needle SWR/Wattmeter usage, antenna selector functions, installation, operation, tuning adjustments, troubleshooting, and antenna matching techniques. Includes technical assistance…