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MFJ MFJ-415B User Manual

MFJ MFJ-415B
9 pages
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Table of Contents
General Description......................................................................................................... 1
Using the MFJ-415B....................................................................................................... 1
PC Board Installation ...................................................................................................... 2
Shorting Plugs................................................................................................................. 2
Adjustment and Calibration ............................................................................................ 2
Transceiver Recalibration of VFO ......................................................................2
Module Calibration for CW Band....................................................................... 3
Module Adjustment for CW Offset..................................................................... 4
Module Adjustment for QSK Hold..................................................................... 4
In Case of Difficulty........................................................................................................5
Technical Assistance.......................................................................................................5
Schematic........................................................................................................................ 6
Parts List..........................................................................................................................7
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MFJ MFJ-415B Specifications

General IconGeneral
BrandMFJ
ModelMFJ-415B
CategoryAdapter
LanguageEnglish

Summary

General Description

Using the MFJ-415B

PC Board Installation

Shorting Plugs

Adjustment and Calibration

Transceiver Recalibration of VFO (L3)

Recalibrates transceiver VFO by adjusting coil L3 after module installation.

Module Calibration for CW Band (L101 or C103)

Calibrates module for CW band accuracy by adjusting L101 or C103.

Module Adjustment for CW Offset (R103)

Sets CW offset frequency shift between transmit and receive using R103.

Module Adjustment for QSK Hold (R102)

Adjusts TX relay hold time after sending stops using R102.

In Case of Difficulty

Technical Assistance

Schematic

Parts List