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MFJ MFJ-1675T User manual

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Instruction Manual
HF Mobile
Ham-tennaTM Whips
Power Rated at 250 Watts P.E.P.
These HF antennas are designed to operate over the phone
portion of HF bands with a typical VSWR of 2:1.
MFJ offers the following HF Mobile Ham-tennaTM whips:
MFJ Model No. Band MFJ Model No. Band
MFJ-1675T 75 Meter MFJ-1615T 15 Meter
MFJ-1640T 40 Meter MFJ-1612T 12 Meter
MFJ-1630T 30 Meter MFJ-1610T 10 Meter
MFJ-1620T 20 Meter MFJ-1606T 6 Meter
MFJ-1617T 17 Meter MFJ-1602T 2 Meter
Tuning Instructions:
Insert the whip into the lower section ferrule about four
inches and tighten the set screw. Screw the ferrule/whip
assembly into the lower fiberglass section. Install a VSWR
meter at the transceiver and apply 10 or 25 watts of power.
Adjust the VSWR meter and output frequency for lowest
VSWR reading, indicating resonance. If resonant frequency
is higher than desired, loosen the set screw and extend the
top whip until the desired resonant frequency is found. If
resonant frequency is too low, loosen the set screw and
adjust the whip further into the lower section. For best
results, adjustments should be made in small increments.
Caution: If required, cut off the bottom of the whip to ensure
it does not extend down into the coil. Failure to observe this
precaution will cause extreme heat damage and void the
warranty.
VSWR: At resonance, the VSWR should be 1.5:1 or less
when properly matched. When tuning is complete, tighten
the set screws securely.
NOTE: Bandwidth and VSWR will vary due to mounting
location. Roof mounts, trunk groove mounts, and trunk lip
mounts are recommended. The poorest mount is a bumper
mount. If your installation has a VSWR over 1.5:1 at
resonance or you need to operate over a greater bandwidth,
a tuner may be required.
STORAGE: To store your HF Ham-tennaTM, unscrew the
ferrule/whip assembly from the lower fiberglass section.
Note: If only the whip is removed, repeat tuning procedure
before using again.
MFJ Enterprises, Inc.
…The World Leader in Ham Radio Accessories
300 Industrial Park Road, Starkville, MS 39759 USA
Phone: (662) 323-5869 Fax: (662) 323-6551
http://www.mfjenterprises.com
Made in the U.S.A.
Instruction Manual
HF Mobile
Ham-tennaTM Whips
Power Rated at 250 Watts P.E.P.
These HF antennas are designed to operate over the phone
portion of HF bands with a typical VSWR of 2:1.
MFJ offers the following HF Mobile Ham-tennaTM whips:
MFJ Model No. Band MFJ Model No. Band
MFJ-1675T 75 Meter MFJ-1615T 15 Meter
MFJ-1640T 40 Meter MFJ-1612T 12 Meter
MFJ-1630T 30 Meter MFJ-1610T 10 Meter
MFJ-1620T 20 Meter MFJ-1606T 6 Meter
MFJ-1617T 17 Meter MFJ-1602T 2 Meter
Tuning Instructions:
Insert the whip into the lower section ferrule about four
inches and tighten the set screw. Screw the ferrule/whip
assembly into the lower fiberglass section. Install a VSWR
meter at the transceiver and apply 10 or 25 watts of power.
Adjust the VSWR meter and output frequency for lowest
VSWR reading, indicating resonance. If resonant frequency
is higher than desired, loosen the set screw and extend the
top whip until the desired resonant frequency is found. If
resonant frequency is too low, loosen the set screw and
adjust the whip further into the lower section. For best
results, adjustments should be made in small increments.
Caution: If required, cut off the bottom of the whip to ensure
it does not extend down into the coil. Failure to observe this
precaution will cause extreme heat damage and void the
warranty.
VSWR: At resonance, the VSWR should be 1.5:1 or less
when properly matched. When tuning is complete, tighten
the set screws securely.
NOTE: Bandwidth and VSWR will vary due to mounting
location. Roof mounts, trunk groove mounts, and trunk lip
mounts are recommended. The poorest mount is a bumper
mount. If your installation has a VSWR over 1.5:1 at
resonance or you need to operate over a greater bandwidth,
a tuner may be required.
STORAGE: To store your HF Ham-tennaTM, unscrew the
ferrule/whip assembly from the lower fiberglass section.
Note: If only the whip is removed, repeat tuning procedure
before using again.
MFJ Enterprises, Inc.
…The World Leader in Ham Radio Accessories
300 Industrial Park Road, Starkville, MS 39759 USA
Phone: (662) 323-5869 Fax: (662) 323-6551
http://www.mfjenterprises.com
Made in the U.S.A.
12 MONTH LIMITED 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
warranty, 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 (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 on 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.
12 MONTH LIMITED 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
warranty, 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 (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 on 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.