MFJ MFJ-976 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-976
VERSION 1B
1500 Watt Fully-Balanced
Antenna Tuner

MFJ MFJ-976 Specifications

General

Brand	MFJ
Model	MFJ-976
Category	Tuner
Language	English

Summary

MFJ Legal Limit Balanced Line Tuner

Introduction to the MFJ-976 Tuner

Overview of the MFJ-976 balanced line antenna tuner, its capabilities, and specifications.

Understanding Tuner Power Ratings

Explanation of how antenna tuner power ratings are determined and factors affecting them.

Peak Reading SWR Wattmeter

Installation of the MFJ-976 Tuner

Connecting Balanced Feedlines

Instructions for connecting balanced feedlines like open wire or twin lead.

Connecting Coaxial Feedlines

Instructions for connecting coaxial feedlines for unbalanced antennas.

Connecting Random Wire Antennas

Instructions for connecting random or single wire antennas to the tuner.

Operation of the MFJ-976 Tuner

Adjustment Procedure

Operating Notes

In Case Of Difficulty

Grounding Hints

Antenna System Hints

Antenna Location and RF Grounding

Guidance on optimal antenna placement and the importance of RF grounding.

Matching Problems and Solutions

Discusses common impedance matching issues and provides solutions for antenna systems.

SWR Meter Calibration

Equipment Needed for Calibration

Lists the necessary equipment for calibrating the SWR meter.

Meter Calibration Procedure

Detailed instructions for calibrating the meter's SWR and power readings.

Technical Assistance and Support

Suggested Tuning Chart

Logged Tuning Chart

Schematic Diagram

Full 12-Month Warranty Information