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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 of 
machine reproduction or 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, or 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 under warrantee provided the product is returned postage prepaid to MFJ Enterprises, Inc. with 
a personal check, cashiers check, or money order for 

$7.00 

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

 $5.00

 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 (601) 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 Road, 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.

12.

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

state.

300  Industrial  Park  Road

  Starkville,  MS  39759   USA

Tel:  662-323-9715  Fax:  662-323-6551

COPYRIGHT         2012  MFJ  Enterprises  Inc.

C

Summary of Contents for MFJ-1890

Page 1: ...ctions Before Operating Equipment 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 9715 Fax 662 323 6551 COPYRIGHT 2012 MFJ Enterprises Inc Rev 1A C MFJ 1890 2 Element Moxon Beam for 10 me...

Page 2: ...ing a location For best performance on receiving and transmitting mount the antenna in a clear location above or away from buildings towers feedlines utility wires and other antennas While your own in...

Page 3: ...falls it can be damaged and may cause serious injury Whatever type of installation you choose remember that the antenna should be installed where it cannot be contacted by people or animals or come i...

Page 4: ...to hold the element but allow for the bracket to rotate on the boom as you will have to align the elements with the mast when the antenna is fully assembled 21 25 16 15 10 1 9 14 15 4 3 8 x 9 insulato...

Page 5: ...ents Install the u bolt on the boom Place the 1 1 4 end caps on each end of the boom Figure 4 Figure 5 Short side on Driven element Driven element Reflector element Attach the feed line to the driven...

Page 6: ...6 1 4 20 1 2 28 1 2 74 5 8 55 1 4 173273 5 8 x 53 1 4 7 16 x 028 x 26 7 16 x 028 x 18 7 16 x 028 x 26 3 8 x 9 3 3 long end of corner Figure 6 6 DIRECTION OF RF ENERGY DRIVEN ELEMENT REFLECTOR ELEMENT...

Page 7: ...rate efficiently without the requirement of an earth ground safety grounding must still be provided to protect equipment property and persons from the hazards fo lightning strikes and other weather re...

Page 8: ...swaged Tube Boom 1 1 4 058 x 61 1 4 Drilled Tube 7 16 x 028 x 26 slotted Tube 7 16 x 028 x 18 slotted Tube 3 8 corner Rod Fiberglass 3 8 x 9 Balun Assembly Bracket 11 Bracket 1 Parts Pack MFJ 1890 Ho...

Page 9: ......

Page 10: ...oforeaves byeyebolts Applyroofing compound around thebase ofthebracket screws andevebolts formoisture sealino TELESCOPING MAST Guywiresshouldbeequally spacedinat leastthreedirections Useat leastthreeg...

Page 11: ...NOTES...

Page 12: ...ho attempt to repair defective units Technical consultation is available by calling 601 323 5869 5 This warranty does not apply to kits sold by or manufactured by MFJ Enterprises Inc 6 Wired and teste...

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