MFJ Manuals & User Guides

Comprehensive instruction manual for the MFJ-1204 USB Radio Interface. Learn about features, connecting to your radio and computer, digital communication modes, jumper configurations for various transceivers, troubleshooting, and warranty details.

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.

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…

Instruction manual for the MFJ-816 HF SWR Wattmeter, detailing installation, operation for measuring SWR and power on 30W and 300W scales, and calibration procedures.

Comprehensive instruction manual for the MFJ-266C HF/VHF/220MHz/UHF Antenna Analyzer, covering operation, features, measurements, and troubleshooting.

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…

Instruction manual for the MFJ-1888 Enhanced Receiving Loop and Multicoupler, covering installation, wiring, usage, and warranty information.

Instruction manual for the MFJ-1622 Window Mount Antenna, covering its introduction, parts list, tools needed, assembly, and installation.