MFJ-4712 2-Position Remote Antenna Switch
Instruction Manual
3
OPERATION
1. Slide the Selector Switch to choose the desired antenna. The switch
positions are numbered on the 4712RC. When the DC is ON, Antenna 2 is
selected. When the DC is OFF, Antenna 1 is selected. Unused inputs are
grounded.
2.
Once the antenna is selected, you may transmit into the selected antenna.
IMPORTANT:
NEVER switch antennas with RF power applied to the
Master feedline. Damage to the switching contacts may
result from “hot-switching”.
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 reading the manual
does not solve your problem, 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
[email protected]. Send a complete description of your problem, an
explanation of exactly how you are using your unit, and a complete description of
your station.
NOTES