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MFJ MFJ-259D User Manual

MFJ MFJ-259D
24 pages
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MFJ MFJ-259D Specifications

General IconGeneral
Frequency DisplayLCD
DisplayLCD with backlight
Battery LifeApproximately 20 hours
Weight1.5 lbs
Power Supply12V DC

Summary

Introduction to the MFJ-259D

Powering the MFJ-259D Analyzer

Using an External DC Power Supply

Covers requirements and warnings for using an external DC power supply, including voltage and current specifications.

Installing and Preparing Internal Batteries

Explains how to access and set the internal jumper for battery usage before installing batteries.

Using Rechargeable AA Batteries

Provides guidelines for using rechargeable batteries, including voltage requirements and charging procedures.

Using Alkaline AA Drycell Batteries

Offers advice on using alkaline and zinc-cell batteries, including storage and leakage precautions.

Navigating the Main Menu and Display

General Connection and Setup Guidelines

Provides essential instructions for connecting devices to the analyzer's antenna and power connectors.

MFJ-259D Operating Modes Explained

Explains the five basic operating modes of the analyzer and how to navigate between them.

Main Operating Mode Functions

Connection Guidelines for Main Mode

Offers practical advice for making secure RF connections and minimizing errors during SWR and impedance measurements.

Measuring Antenna SWR

Guides users on how to measure SWR for antennas, including static discharge precautions and tuning adjustments.

Advanced Measurement Features

Connection Guidelines for Advanced Modes

Provides connection specifics for advanced measurements, including VFO output and ESD protection.

Adjusting Simple Antenna Systems

Testing Transmission Lines and Stubs

Adjusting Antenna Tuners

Guides on connecting the analyzer to an antenna tuner and adjusting it for a 1:1 SWR.

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