MFJ MFJ-4125 User Manual
MFJ Enterprises, Inc. Warrants to the original owner of this product, if manufactur ed by MFJ
p
unscrew the fuse cap, remove the old fuse, and replace with a new 5
use.
Enterprises, Inc. and pu rchas ed f rom an au th orized dea ler or di rect ly fro m MFJ Ent erp ris es, Inc. t o be
free from defects in material and workmanship for a peri od of 12 m onths Goal dat e of pu rchase
provided the following terms of this warranty are s atisfi ed.
1. The purchaser must retain th e dat ed proof- of-purchase (bill of sa le, can c eled c luck, cr edit ca rd or
money order receipt, at e,) descr ibin g the p roduct t o estab lish th e validit y of the war ranty c laim
and submit the original of machine reproduction or such proof-of-purchas e to MFJ Enterprises,
Inc. at the time of warranty service. MFJ Enterprises, Inc. shall have the discretion to deny
warranty without dated proofof-purchase. Any evidence of alteration, er asure, or forger y shall be
cause to void any and all warranty terms immediately.
Installation:
Before plugging the MFJ-4125 in an AC outlet mak e sure th at th e proper input voltage
on the rear
The loads can be c onnect ed t o eith er the 5 - way binding p osts or t o th e qu i ck connectors. Not e that an y
devices requiring more than 5 amps must use the 5-way bindingpost outputs. The
the unit. Select 115 for 100/110/120 AC operation. Select 230 for 200/220/240 ac
of
quick
selected
is
connectors
2. MFJ Enterprises, Inc. agrees to repair or replace at MFJ's opti on without charge to the origina l
owner any defective product under warranty, provid ed the p roduct is returned p ostage pr epaid to
MFJ Enterprises, Inc. with a p er sona l check, ca shi ers ch eck, or money ord er for $7.00 c overing
3. MFJ Enterprises, Inc. will supply replacement parts free of charge for any MFJ product under
warranty upon request. A dat ed pr oof-of-purchas e and a $5.00 p ersonal ch eck, ca shier s check, or
money order must be provided to cover p ostage and hand lin g.
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 app ly t o kits sold b y or manufactur ed by M FJ Ent erprises , Inc.
6. Wired and tested PC board products are covered by thi s warranty provid ed on th e 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 Ent erprises, Inc. wi ll be returned at
7, Under no circums ta nces is MFJ En terprises, In c. liable f or c on s equential da ma g es to person
progeny by the use of any M FJ 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. Repai r 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
10. . MFJ Enterprises , Inc. r eserves the ri ght t o make ch an ges or imp rovemen ts in d esign or
manufacture without incu rring an y obligati on to in sta ll su ch-chan ges up on an y of th e
roducts previously manufactured.
Operation:
The MFJ-4125 has a fixed output at 13.8 VDC. All
FAN: The
Protection:
The MFJ-4125 will automatically s hut
The MFJ-4125 has a 5 amp AC line fus e located at th e back
cooling fan on the MFJ-4125
off if
will
the current exceeds 25 am ps.
have to
you
operate when the unit
the unit.
of
connect the output and
do is
turned
is
To
the rep l ac e th e f u se :
To
A f
ON.
reset, turn the
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 th e prob lem in d etail alon g with ac op y of your dat ed p roof-of-
have other rights which vary from state to
12. This warranty gives you specific rights, and you may
also
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