MFJ | 9214 | manual | MFJ 9214 - QRP POCKET WATTMETER/DUMMY LOAD, 5 WATT Manual

QRP Wattmeter/Dummy Load
Thank you for purchasing the MFJ-9214 QRP Wattmeter/Dummy Load. The MFJ-9214
is designed to work QRP on HF up to 5 Watts of power. Do not use the MFJ-9214 for
more than 5 Watts. The 50 Ohm load in the MFJ-9214 will handle 5 Watts for no more
than 15 seconds.
Simply attach the MFJ-9214 to your QRP transceiver by connecting to the BNC
connector on the bottom of the unit. The Dummy Load is built in.
The MFJ-9214 QRP Wattmeter/Dummy Load has 2 holes in the rear of the unit for
calibration. The hole near the top center is the FORWARD POWER TRIM POT. The
hole near left middle is the TRIM CAP.
Apply 5 watts into the MFJ-9214 QRP Wattmeter/Dummy Load and adjust the TRIM
CAP until power is at maximum deflection, then adjust the FORWARD POWER TRIM
POT until the needle lines up with “5” on the meter.
MFJ-9214 Schematic
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.
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, or forgery shall be cause to
void any and all warranty terms immediately.
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.
This warranty is NOT void for owners who attempt to repair defective units. Technical
consultation is available by calling the Service Department at 662-323-0549 or the MFJ Factory at
This warranty does not apply to kits sold by or manufactured by MFJ Enterprises, Inc.
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.
Under no circumstances is MFJ Enterprises, Inc. liable for consequential damages to person or
property by the use of any MFJ products.
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.
This warranty is given in lieu of any other warranty expressed or implied.
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.
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.
This warranty gives you specific rights, and you may also have other rights which vary from state
to state.
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