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MFJ MFK-5124Y Instruction Manual

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Radio Interface
Model MFJ-5124K/Y
INSTRUCTION MANUAL
CAUTION: Read All Instructions Before Operating Equipment !
MFJ ENTERPRISES, INC.
300 Industrial Park Road
Starkville, MS 39759 USA
Tel: 662-323-5869 Fax: 662-323-6551
COPYRIGHT
200
5-2010
MFJ ENTERPRISES, INC.
VERSION 1A

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  • Page 1 Radio Interface Model MFJ-5124K/Y INSTRUCTION MANUAL CAUTION: Read All Instructions Before Operating Equipment ! MFJ ENTERPRISES, INC. 300 Industrial Park Road Starkville, MS 39759 USA Tel: 662-323-5869 Fax: 662-323-6551 COPYRIGHT 5-2010 MFJ ENTERPRISES, INC. VERSION 1A...
  • Page 2 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:...

  • Page 3: Table Of Contents

    Yaesu Radio CAT Interface................11 Connections for FT-100................11 Connections for FT-857 or FT-897............. 12 Connections for FT-847................13 Operation for Yaesu CAT Interface............13 Firmware Version Number ................14 Technical Assistance..................14 Connector Pinout ....................15 © 2005-2010 MFJ Enterprises, Inc.
  • Page 4 MFJ-5124K/Y Radio Interface Instruction Manual Schematic......................16 © 2005-2010 MFJ Enterprises, Inc.

  • Page 5: Introduction

    MFJ-5124K/Y Radio Interface Instruction Manual Introduction The MFJ-5124 Radio Interface main unit contains all the electronics that allows users of AT-300 compatible Kenwood transceivers, FC-30 compatible Yaesu transceivers, and certain Yaesu transceivers with supported CAT system to connect to the MFJ-991, MFJ-993 and MFJ-994 IntelliTuner™ Automatic Antenna Tuners.

  • Page 6: Jumper Settings

    MFJ-5124K/Y Radio Interface Instruction Manual Jumper Settings Two jumpers, JP1 and JP2, inside the MFJ-5124 are used to select the radio to interface with. To change these jumper settings: 1. Disconnect the MFJ-5124 from the radio and the tuner. 2. Open the MFJ-5124 case by removing the two screws on the bottom.

  • Page 7: Kenwood Radio Interface

    JP2 to the A position). This is the factory default setting. If both needles on the MFJ tuner keep bouncing ( TURN ON RADIO appears on the MFJ-993) and do not go away, then move jumper JP2 to the B position. © 2005-2010 MFJ Enterprises, Inc.

  • Page 8: Operation

    TS-450S and the TS- 690S (set jumper JP2 to the B position). If the MFJ tuner switches to bypass mode during power on, then move jumper JP2 to the A position because the radio is checking for a tuner presence during power on.

  • Page 9: Yaesu Radio Tuner Interface

    4. Insert the 2.1 x 5.5 mm coaxial power plug into the tuner’s POWER jack. 5. Insert the 8-pin modular plug into the MFJ-5124’s TO RADIO jack. 6. Important: Make sure the DC power to the radio has been turned off.

  • Page 10: Operation For Ft-100

    Instruction Manual Operation for FT-100 The operation of the MFJ-5124Y radio interface is similar to the operation of the FC-20 described in the Yaesu radio’s operating manual. 1. Turn on the radio and press the [FUNC] key, as needed, to recall Operating Function Row 7 [MTR, TUN, PRO, VOX].

  • Page 11: Operation For Ft-450

    Operation for FT-450 The operation of the MFJ-5124Y radio interface is similar to the operation of the FC-30/-40 described in the Yaesu radio’s operating manual. 1. Turn on the radio and press the (TUNE) button on the radio briefly to enable the external tuner function.
  • Page 12 Press and hold in the [FUNC] or [F] key for one second to save the new setting and exit to normal operation. Turn the radio off, then on again. Do not connect the MFJ-5124Y before changing the Menu Mode #020 [CAT/LIN/TUN].

  • Page 13: Operation For Ft-857 Or Ft-897

    Instruction Manual Operation for FT-857 or FT-897 The operation of the MFJ-5124Y radio interface is similar to the operation of the FC-30 described in the Yaesu radio’s operating manual. 1. Turn on the radio. Press the [FUNC] or [F] key, then rotate the [SELECT] or [MEM/VFO CH] knob to recall Multi Function Row “k”...

  • Page 14: Operation For Ft-950

    Operation for FT-950 The operation of the MFJ-5124Y radio interface is similar to the operation of the FC-40 described in the Yaesu radio’s operating manual. 1. Turn on the radio and press the (TUNE) button on the radio briefly to enable the external tuner function.

  • Page 15: Yaesu Radio Cat Interface

    [TUNE] button on the front panel of the tuner. Connections for FT-100 1. Before connecting the MFJ-5124 to your radio, setup the radio’s CAT. Press and hold in the [FUNC] key for ½ second to activate the Menu mode.

  • Page 16: Connections For Ft-857 Or Ft-897

    Instruction Manual Connections for FT-857 or FT-897 1. Before connecting the MFJ-5124 to your radio, setup the radio’s CAT. For following steps, use the [FUNC] key and [SELECT] knob on the FT-857, or use the [F] key and [MEM/VFO CH] knob on the FT-897.

  • Page 17: Connections For Ft-847

    CAT, on the back of the radio. 8. The FT-847 does not have a DC power connection on its CAT port. Connect a 12 volts DC 1 amp power supply, such as the MFJ-1316, to the MFJ-5124’s POWER jack. This will supply power to the MFJ- 5124 and the tuner.

  • Page 18: Firmware Version Number

    MFJ Technical Service at 662-323- 0549 or the MFJ Factory at 662-323-5869. 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.

  • Page 19: Connector Pinout

    Pin 4 is not connected. Rear Panel View (Ground) connects to pins 4 and of the TO RADIO plug Pin 6 is not connected. Pin 7 is not connected. Pin 8 is not connected. Pin 9 is not connected. © 2005-2010 MFJ Enterprises, Inc.
  • Page 20 MFJ-5124K/Y Radio Interface Instruction Manual Schematic © 2005-2010 MFJ Enterprises, Inc.
  • Page 21 MFJ-5124K/Y Radio Interface Instruction Manual Note © 2005-2010 MFJ Enterprises, Inc.
  • Page 22 MFJ-5124K/Y Radio Interface Instruction Manual Note © 2005-2010 MFJ Enterprises, Inc.
  • Page 23 2. 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.
  • Page 24 MFJ ENTERPRISES, INC. MFJ-5124K/Y Manual 300 Industrial Park Road Version 1A Starkville, MS 39759 U.S.A. Printed In U.S.A. 02/2010...

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