MFJ-931 Instruction Manual Artificial RF Ground
Installing a ground in the wrong fashion, such as mistuning and bad connections, can also
generate additional RFI. Harmonics and loss of signal strength can be the result. Energy outside
the band may become great enough to radiate into the commercial radio and TV bands.
Installing a low pass filter, such as the MFJ-704, will provide additional suppression of the out-
of-band signal.
TECHNICAL ASSISTANCE
If you have any problem with this unit first check the appropriate section of this manual. If the
manual does not reference your problem or your problem is not solved by reading the manual,
you may call MFJ Technical Service at 662-323-0549 or the MFJ Factory at 662-323-5869.
You will be best helped if you have your unit, manual and all information on your station handy so
you can answer any questions the technicians may ask.
You can also send questions by mail to MFJ Enterprises, Inc., 300 Industrial Park Road,
Starkville, MS 39759; by Facsimile (FAX) to 662-323-6551; or by email to
techinfo@mfjenterprises.com. Send a complete description of your problem, an explanation of
exactly how you are using your unit, and a complete description of your station.
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