MFJ MFJ-925 - User Manual

INSTRUCTION MANUAL
CAUTION: Read All Instructions Before Operating Equipment
MFJ ENTERPRISES, INC.
300 Industrial Park Road
Starkville, MS 39759 USA
Tel: 662-323-5869 Fax: 662-323-6551
COPYRIGHT 2006 MFJ ENTERPRISES, INC.
C
Model MFJ-925
VERSION 0A
Super-Compact IntelliTuner
Automatic Antenna Tuner
TM

Summary

The Basics

Specifications

Technical specifications of the MFJ-925 tuner.

Fast Start

Initial setup and basic operation guide for the tuner.

Front Panel

Back Panel

Installation

Instructions for installing the MFJ-925 tuner.

Installation

WARNING

Critical safety warnings for tuner installation and operation.

Connecting the Transmitter

Instructions for connecting the transmitter to the tuner via coaxial cable.

Connecting the Antenna

How to connect coaxial or random wire antennas to the tuner.

Ground Connection

Power Connection

Appendices

Power-On Operations

Self Test

Power-Down Circuit Test

Resetting the Tuner

Instructions for resetting the tuner to factory defaults.

Relay Test

Total Reset

Appendices

Frequency Counter Calibration

Guide to calibrating the built-in frequency counter.

SWR Bridge Calibration

Procedure for calibrating the SWR bridge.

Technical Assistance

Contacting MFJ

Information on how to get help from MFJ Technical Service.

MFJ MFJ-925 Specifications

General

Frequency Range	1.8-30 MHz
Impedance	50 Ohms
Power Rating	300 W PEP
Meter	SWR/Power
Connectors	SO-239