MFJ-869 MFJ Giant automatic SWR/Wattmeter Instruction Manual
© 2009-2010 MFJ Enterprises, Inc.
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Contents
THE BASICS
Introduction...................................................................................................................................... 1
Features............................................................................................................................................1
Specifications...................................................................................................................................2
Amplifier Protection ........................................................................................................................ 2
Front Panel.......................................................................................................................................3
SWR/Wattmeter..................................................................................................................3
Wattmeter Zero Scale Adjustment......................................................................................4
SWR LED........................................................................................................................... 4
FWD LED...........................................................................................................................4
REF LED ............................................................................................................................4
20 LED................................................................................................................................ 4
200 LED.............................................................................................................................. 4
2K LED...............................................................................................................................4
PEAK LED ......................................................................................................................... 4
MODE Button.....................................................................................................................4
PEAK Button...................................................................................................................... 4
ALRM LED........................................................................................................................4
ALARM Button..................................................................................................................5
Acknowledgement Beep........................................................................................5
POWER Button...................................................................................................................5
Back Panel ....................................................................................................................................... 6
Amp Enable In.................................................................................................................... 6
Amp Enable Out .................................................................................................................6
Power.................................................................................................................................. 6
RS-232................................................................................................................................ 7
RLY .................................................................................................................................... 7
Ground................................................................................................................................ 7
Antenna............................................................................................................................... 7
Transmitter..........................................................................................................................7
Installation .......................................................................................................................................7
APPENDICES
Factory Defaults...............................................................................................................................8
Self Test........................................................................................................................................... 8
LEDs Test ........................................................................................................................................ 9
SWR Bridge Calibration................................................................................................................ 10
Frequency Counter Calibration......................................................................................................11
Wattmeter Calibration.................................................................................................................... 11
In Case of Difficulty ......................................................................................................................12
Technical Assistance...................................................................................................................... 12