background image

Version 1A

Printed In U.S.A.

300 Industrial Park Road
Starkville, MS 39759

MFJ  ENTERPRISES,  INC.

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.

Summary of Contents for MFJ-1799

Page 1: ...s Before Operating Equipment 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 662 323 6551 COPYRIGHT 2013 MFJ Enterprises Inc C MFJ 1799 2 6 10 12 15 17 20 30 40 80 METER INSTRUCT...

Page 2: ...he assembly area Only the people involved in the construction should be near Assembly can be done by one person but when the antenna is to be mounted or moved plan to have a friend to help It is not w...

Page 3: ...Aluminum tubes 2 One 1 1 2 x 12 inch double walled Aluminum tube 3 Two 1 1 4 x 12 Fiberglass Rods 4 Two 1 4 20 x 1 3 4 Bolts 5 Four 1 4 split washers 6 Four 1 4 20 Nuts 7 One Shunt coil 36 Two 1 4 20...

Page 4: ...meters short 15 Two threaded rods for 6 meters long 16 Eight 10 32 nuts 17 Eight 10 split washers 12 12 Use the 6 32 x inch screws and 6 32 nuts to attach a half clamp to each bracket as shown 13 10...

Page 5: ...a side 20 Base bracket 21 Larger saddle Mast side 22 Larger U bolt Mast side 23 5 16 Split washer 24 5 16 Hex Nut Slide the Mast bracket onto the bottom of the antenna The mast should level with the t...

Page 6: ...a split washer and a 10 24 nut to secure the Balun to the mast bracket Route the upper coax to the center feed point of the antenna Connect the center conductor eyelet to the top section of the antenn...

Page 7: ...caps will have to be removed to trim the rods Install the rod in both 10 40 meter loading sections Three lengths of rods are included The short rods are for the 10 30 meter sections The medium size r...

Page 8: ...ng coils are the same so it doesn t matter which one is on top or bottom 1 8 AL spoke 48 8 places Un tighten the pre installed screws and insert the rest of the screws and nuts loosely Insert the spok...

Page 9: ...10M 13T 17M 1 1 8 x 8 Top of main radiator Slide the top 10 40 loading coil 3 inches down into the top of the main radiator Use a 16 hose clamp to hold it in place Use the joining section of tubing t...

Page 10: ...tuned while lying on its side Installation on a temporary mast will make tuning easier as you will be raising and lowering the antenna for adjustment It is best to get the antenna close to the frequen...

Page 11: ...ground or proximity to metal can cause the tuning to shift for each coil This can be corrected while tunning an does not indicate a problem with the antenna or coils What you are seeing are two dips...

Page 12: ...of the radiator Check the dip point of each band Lengthen the radiator to lower the frequency Shorten the radiator to raise it Each side of each band should be the same length 6mtr stub 2mtr stub Adju...

Page 13: ...rs instead of 80 if you so desire Higher frequency Higher frequency Capacitance hat rods and rest of antenna not shown WARNING You can be killed if the antennas feedline or the equipment used to insta...

Page 14: ...In addition the coaxial cable feeding the antenna should have the shield grounded to eliminate the risk of any indoor equipment failure from allowing hazardous voltages from appearing indoors and cre...

Page 15: ...ller U bolt Antenna side 19 195902 Smaller saddle Antenna side 20 735 1799 Base bracket 21 195726 Larger saddle Mast side 22 010404 Larger U bolt Mast side 23 564792 5 16 Split washer 24 555747 5 16 H...

Page 16: ...eck 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 58...

Reviews: