MFJ MatchMaker 212 Bedienungsanleitung

MFJ-212 MatchMaker™

Introduction

This new MFJ-212 MatchMaker™ lets you tune up your antenna tuner without

transmitting a single milliwatt! You can't cause QRM - there's no radiated power.

You can precisely tune your antenna tuner for a 1:1 SWR - no additional

"tweaking" needed.

Protect your tranceiver and antenna tuner. Avoid dangerous overheating and

arcing caused by high SWR and long tune-ups. It's easy to use. Plugs between

your tranceiver and antenna tuner.

Adjust your tuner for a null in receiver noise by ear or by S-meter and you have

1:1 SWR!

Tuning noise is modulated to make it easy to recognize.

And if you accidentally transmit, you won't burn up your MFJ-212

MatchMaker™. MFJ's exclusive RF*Guard™ automatically bypasses your MFJ-

212 to prevent damage. Works with all tranceivers from 160 through 6 meters.

Installation and Operation

The MFJ-212 Match MakerTM connects between your transceiver and antenna

tuner. A 12 Vdc, 300 mA power supply such as the MFJ-1312B should be used

to provide a proper power source for the MFJ-212 Match Maker.TM .Use a

standard 2.1 mm coaxial plug with the center being positive and the sleeve being

ground. Ensure that the POWER switch on the front panel is in the OFF position

(out), then connect the power supply to the POWER jack on the rear panel.

Note: The MFJ-212 may also be powered by a 9V alkaline battery. to access

the battery connector, ensure the POWER switch on the front panel is in

the OFF position (out), remove the screw on each side of the MFJ-212 and

remove the cover. Be sure to replace the cover before operating the

unit!

Connect the Antenna out jack on your transceiver to the TRANS jack and

antenna tuner to the ANT jack of the MFJ-212. Apply power to your transceiver

and tune to the desired frequency. Next, apply power to the MFJ-212 by

pressing the POWER switch in. The PWR LED on the front panel of the MFJ-212

should begin flashing and you should hear a pulsing "white noise" from your

receiver. Adjust your tuner for a null in receiver noise by ear or by S-meter and

you have 1:1 SWR! Your antenna is now matched to your transceiver!

Remember to turn the power to the MFJ-212 OFF before using your transceiver.

MFJ-212 Front Panel

MFJ-212 Rear Panel

Technical Assistance:

If you have any problem with this unit first check the appropriate section

of this manual. If the manual does not reference your problem or your

problem is not solved by reading the manual, you may call MFJ Technical

Service at 601-323-0549 or the MFJ Factory at 601-323-5869. You will

be best helped if you have your unit, manual and all information on your

station handy so you can answer any questions the technicians may ask.

You can also send questions by mail to MFJ Enterprises, INC., 300

Industrial Park Road, Starkville, MS 39759; by FAX to 601-323-6551;

through Compuserve at 76206,1763; or by email to

76206.1763@Compuserve.com. Send a complete description of your

problem, an explanation of exactly how you are using your unit, and a

complete description of your station.

MFJ-212 Rear Panel

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