MFJ MFJ-1775W Instruction Manual Download | Manualshive

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MFJ-1775W Rotatable Mini-Dipole

Instruction Manual

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Summary of Contents for MFJ-1775W

Page 1: ...structions Before Operating Equipment MFJ ENTERPRISES INC 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 662 323 6551 COPYRIGHT 2006 MFJ ENTERPRISES INC C Model MFJ 1775W VERSIO...

Page 2: ...Spoke Caps 45 765 1002 1 x 12 Fiberglass Rod 1 808 1775 12 1 1 8 x 60 AL Tube 2 810 1796 2 40 75 Spokes 4 810 1775W 40 36 75 Spokes 24 810 1798 5 18 75 Spokes 16 810 1775W 18 Loading Coil Assembly 2 1...

Page 3: ...d switching and uses highly efficient end loading with its entire length always radiating Each HF band uses separate efficient end loading coils wound on fiberglass forms with TeflonTM wire and capaci...

Page 4: ...ing protection WARNING Always mount this antenna so that it is out of the reach of adults and children The capacitance elements can cause injury and or severe RF burns Permanent Installation The ideal...

Page 5: ...ts any utility lines Never install an antenna near power lines 1 Be careful while climbing and carrying the antenna It is heavy enough to cause you to lose your balance if it is handled too casually o...

Page 6: ...Pliers for holding the spoke ends as they are trimmed Safety glasses 5 Bolt the balun loosely to the 1 x 12 fiberglass rod using the U bolt set and 20 hardware The nuts will be tightened when the ante...

Page 7: ...ments using a red permanent marker pen NOTE Install the spokes through the rings until they come in contact with the fiberglass rod This will give you about 1 4 of spoke available to slide back out sh...

Page 8: ...ding assembly to the aluminum radiator 15 Double check the tightness of all the hardware you installed and then mount the antenna on the short temporary tuning mast 6 8 feet above the ground 16 Tune t...

Page 9: ...and higher ALL the other bands move higher but only very slightly It is always best to shoot for the lowest end of the range you intend to use and trim in by adjusting the outermost 60 meter loading c...

Page 10: ...frequency Use the chart below to approximate the amount of spoke to be trimmed Trimming only one spoke from the top or bottom results in half the frequency change 60 M 1 trimmed off a pair of spokes...

Page 11: ...equirement of an earth ground safety grounding must still be provided to protect equipment property and persons from the hazards of lighting strikes and other weather related electrical discharges In...

Page 12: ...sealer is the automobile seam sealer commonly sold as coax seal This is a semi pliable black or white sealing compound When installing any coax seal NEVER completely cover the barrel of the coax conne...

Page 13: ...MFJ 1775W Rotatable Mini Dipole Instruction Manual 12...

Page 14: ...MFJ 1775W Rotatable Mini Dipole Instruction Manual 1 NOTES...

Page 15: ...cover postage and handling 4 This warranty is NOT void for owners who attempt to repair defective units Technical consultation is available by calling 662 323 5869 5 This warranty does not apply to k...

Page 16: ...MFJ 1775W Manual Version 1D Printed In U S A 300 Industrial Park Road Starkville MS 39759 MFJ ENTERPRISES INC...

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