
MFJ-926B HF Automatic Remote Antenna Tuner
Instruction Manual
2010 MFJ Enterprises, Inc.
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Contents
THE BASICS
Introduction ......................................................................................................................................1
Features ............................................................................................................................................2
Specifications ...................................................................................................................................2
Fast Start...........................................................................................................................................3
Internal Components ........................................................................................................................4
SWR LED ...........................................................................................................................4
TUNE LED .........................................................................................................................4
TUNE Button ......................................................................................................................4
Automatic/Semi-Automatic Tuning Mode.............................................................4
ANT Button.........................................................................................................................5
POWER Button ...................................................................................................................5
Connections ......................................................................................................................................5
Transmitter ..........................................................................................................................5
Antenna ...............................................................................................................................5
Ground.................................................................................................................................5
Wire.....................................................................................................................................5
Installation ........................................................................................................................................6
MISCELLANEOUS
Antenna Memory..............................................................................................................................7
IntelliTune
TM
Algorithm ...................................................................................................................7
LC Limits .........................................................................................................................................7
Morse Code and Flashes...................................................................................................................8
Foldback Circuit ...............................................................................................................................8
Grounding Hints ...............................................................................................................................9
Antenna System Hints ......................................................................................................................9
Location...............................................................................................................................9
Matching Problems..............................................................................................................9
APPENDICES
Resetting the Tuner ........................................................................................................................11
Factory Defaults ................................................................................................................11
Delete Entire Antenna Memory ........................................................................................12
Delete Antenna Memory Bank..........................................................................................12
Total Reset.........................................................................................................................12
Self Test..........................................................................................................................................13
Power-Down Circuit Test...............................................................................................................14
Relay Test.......................................................................................................................................14
Frequency Counter Calibration ......................................................................................................15