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MFJ-1789 Rotatable Mini-Dipole 

                                                 Instruction Manual 

 

 

15 

FULL 12-MONTH WARRANTY 

 

 
MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by MFJ Enterprises, 
Inc.  and  purchased  from  an  authorized  dealer  or  directly  from  MFJ  Enterprises,  Inc.  to  be  free  from 
defects  in  material  and  workmanship  for  a  period  of  12  months  from  date  of  purchase  provided  the 
following terms of this warranty are satisfied. 

 

1.

 

The  purchaser  must  retain  the  dated  proof-of-purchase  (bill  of  sale,  canceled  check, 

credit  card  or  money  order  receipt,  etc.)  describing  the  product  to  establish  the  validity  of  the 
warranty claim and submit the original or machine reproduction of such proof of purchase to MFJ 
Enterprises, Inc. at the time of warranty service.  MFJ Enterprises, Inc. shall have the discretion to 
deny  warranty  without  dated  proof-of-purchase.    Any  evidence  of  alteration,  erasure,  of  forgery 
shall be cause to void any and all warranty terms immediately. 

 

2.

 

MFJ  Enterprises,  Inc.  agrees  to  repair  or  replace  at  MFJ's  option  without  charge  to  the 

original  owner  any  defective  product  provided  the  product  is  returned  postage  prepaid  to  MFJ 
Enterprises,  Inc.  with  a  personal  check,  cashiers  check,  or  money  order  for 

$10.00 

covering 

postage and handling. 

 

3.

 

MFJ Enterprises, Inc. will supply replacement parts free of charge for any MFJ product 

under  warranty  upon  request.    A  dated  proof  of  purchase  and  a

  $8.00

  personal  check,  cashiers 

check, or money order must be provided to 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 kits sold by or manufactured by MFJ Enterprises, Inc. 

 

6.

 

Wired  and  tested  PC  board  products  are  covered  by  this  warranty  provided 

only  the 

wired and tested PC board product is returned.

  Wired and tested PC boards installed in the 

owner's cabinet or connected to switches, jacks, or cables, etc. sent to MFJ Enterprises, Inc. will 
be returned at the owner's expense unrepaired.   

 

7.

  

Under  no  circumstances  is  MFJ  Enterprises,  Inc.  liable  for  consequential  damages  to 

person or property by the use of any MFJ products. 

 

8.

 

Out-of-Warranty  Service: 

MFJ  Enterprises,  Inc.  will  repair  any  out-of-warranty 

product  provided  the  unit  is  shipped  prepaid.    All  repaired  units  will  be  shipped  COD  to  the 
owner.  Repair charges will be added to the COD fee unless other arrangements are made. 

 

9.

 

This warranty is given in lieu of any other warranty expressed or implied. 

 

10.

 

MFJ  Enterprises,  Inc.  reserves  the  right to make changes or improvements in design or 

manufacture  without  incurring  any  obligation  to  install  such  changes  upon  any  of  the  products 
previously manufactured. 

 

11.

 

All  MFJ  products to be serviced in-warranty or out-of-warranty should be addressed to 

MFJ Enterprises, Inc., 300 Industrial Park Rd, Starkville, Mississippi 39759, USA 

and must 

be accompanied by a letter describing the problem in detail along with a copy of your dated proof-
of-purchase and a telephone number. 

 

12.

 

This warranty gives you specific rights, and you may also have other rights, which vary 

from state to state. 

Содержание 1789

Страница 1: ......

Страница 2: ...ket 4 805 1796 7 Fiberglass Stabilizer Insulator 4 807 1796 6 Aluminum Stub Channel Bracket 4 808 1796 5 1 x 12 Fiberglass Rod 1 808 1775 12 1 1 8 x 60 AL Tube 2 810 1796 2 1 8 AL ROD 27 IN 2 EXTRA 10...

Страница 3: ...st versatile rotatable dipole Each HF band uses separate efficient end loading coils wound on fiberglass forms with TeflonTM wire and capacitance hats no lossy traps 6 and 2 meters are full length hal...

Страница 4: ...ightning 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...

Страница 5: ...ent used to install the antenna accidentally contacts 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 t...

Страница 6: ...4 After examining the antenna parts gather the following tools needed for assembly 2 Phillips screwdriver 5 16 nut driver for 6 nuts and hose clamps Small 4 6 adjustable wrench OR o 3 8 wrench for 6 a...

Страница 7: ...tube fiberglass assembly and through the balun lugs Add the 20 split lock washers and nuts and tighten securely See Figure 3 8 Slide four hose clamps over each aluminum tube Slide two hose clamps one...

Страница 8: ...rings of both loading coil assemblies loosely holding them in place with their associated nuts Position the screws so the threaded ends of the screws are pointed outward towards the two ends of each l...

Страница 9: ...clamp onto the aluminum radiator Slide the aluminum radiator tube until it contacts the mounting screw that was just loosened Slide the hose clamp over the tab and tighten the hose clamp to firmly at...

Страница 10: ...e the resonant frequency Conversely adding a longer capacitance spoke will lower the resonant frequency of a loading assembly Spare spokes are included in case you need to lower the resonant frequency...

Страница 11: ...l sections from the end of the spoke until the antenna resonates approximately 15 KHz below the desired operating frequency Use the chart below to approximate the amount of spoke to be trimmed Trimmin...

Страница 12: ...on the outer ends of all spokes Note that the plastic end caps will lower the resonant frequency on all HF bands by 30 50 kHz The plastic end caps should fit snugly on the spokes Should a cap fit too...

Страница 13: ...r the barrel of the coax connector The sealer should ONLY be placed near the junction of the threaded part of the chassis connector and the knurled area of the male connector This will leave the botto...

Страница 14: ...MFJ 1789 Rotatable Mini Dipole Instruction Manual 14 NOTES...

Страница 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...

Страница 16: ...MFJ 1789 Manual Version 1B Printed In U S A 300 Industrial Park Road Starkville MS 39759 MFJ ENTERPRISES INC...

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