MFJ MFJ-923 Instruction Manual Download | Manualshive

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MFJ ENTERPRISES, INC.

300 Industrial Park Road

Starkville, MS 39759 USA

Tel: 662-323-5869 Fax: 662-323-6551

Model MFJ-923

COPYRIGHT 2012 MFJ ENTERPRISES, INC.

VERSION 1B

Dual Band Tuner

CAUTION: Read All Instructions Before Operating Equipment !

INSTRUCTION MANUAL

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Summary of Contents for MFJ-923

Page 1: ...strial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 662 323 6551 Model MFJ 923 COPYRIGHT 2012 MFJ ENTERPRISES INC VERSION 1B Dual Band Tuner CAUTION Read All Instructions Before Operating Equipment INSTRUCTION MANUAL TM ...

Page 2: ...tional handbooks or other official publications The copy of this manual provided to the customer will not be updated to reflect current data Customers using this manual should report errors or omissions recommendations for improvements or other comments to MFJ Enterprises 300 Industrial Park Road Starkville MS 39759 Phone 662 323 5869 FAX 662 323 6551 Business Hours M F 8 4 30 CST 2 ...

Page 3: ...s a single input connector so that it will easily connect to your dual band transceiver Two output connectors give you the option of using a dual band antenna or two single band antennas for maximum performance A switch on the back of the unit allows you to select two single or one dual band antenna This option eliminates the need for a duplexer when operating two antennas with one radio The built...

Page 4: ...ntenna Radio 440MHz 146MHz 4 Connect the power jack on the back of the unit to a 12VDC power supply using the supplied power connector Connect you tuner and transmitter to a good earth ground 4 B If using two single band antennas connect the two meter antenna to the connector marked 146MHz Connect the 440 antenna to the connector labled 440MHz Move the switch to two single band ...

Page 5: ...iginal and adjust it again Do this back and forth method until a suitable SWR has been obtained Tuning the 440 side of the tuner is much the same as the two meter side with the addition of another knob The three knobs across the bottom of the unit are used for tuning the 440 band Use the same method as tuning the two meter side Go back and forth to each knob until a suitable SWR is obtained The ad...

Page 6: ...NOTES 6 ...

Page 7: ...ostage 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 ...

Page 8: ...MFJ ENTERPRISES INC 300 Industrial Park Road Starkville MS 39759 MFJ 923 Manual Version 1B Printed In U S A ...

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