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MFJ-991 / MFJ-994 IntelliTuner Automatic Antenna Tuners
cable provides power and control between an Alinco radio and the MFJ automatic tuner. Supported
Alinco radios are DX-70, DX-77, and any Alinco radio that supports the Alinco EDX-2 tuner.
Pin 1 (Ground) connects to the Sleeves of both 3.5 mm Stereo Phone Plug and Power Plug.
Pin 2 (+13.8V) connects to the Center Pin of Power Plug.
Pin 3 (Key) connects to the Tip of 3.5 mm Stereo Phone Plug.
Pin 4 is not connected.
Pin 5 (Start) connects to the Ring of 3.5 mm Stereo Phone Plug.
The MFJ-5124I interface cable provides power and control between an Icom radio and the MFJ
automatic tuner. Supported Icom radios are IC-706, IC-707, IC-718, IC-725, IC-728, IC-736, IC-738,
IC-746, IC-756, IC-765, IC-775, and any Icom radio that supports the Icom AH-3 and AH-4 tuners.
Pin 1 (Key) connects to the Tip of 3.5 mm Stereo Phone Plug.
Pin 2 (Start) connects to the Ring of 3.5 mm Stereo Phone Plug.
Pin 3 (+13.8V) connects to the Center Pin of Power Plug.
Pin 4 (Ground) connects to the Sleeves of both 3.5 mm Stereo Phone Plug and Power Plug.
•
Transmitter: SO-239 connector for coax cable from transmitter or transceiver.
•
Ground: Wing-nut terminal for RF ground wire connection.
•
Wire: Binding post for connecting single wire antenna. Notice the WIRE binding post is internally
connected to the ANTENNA connector.
Note: To use the WIRE binding post, make sure to remove the antenna, if any, from the
ANTENNA connector.
•
Antenna: SO-239 connector for coax cable from antenna. Notice the ANTENNA connector is
internally connected to the WIRE binding post.
Note: To use the ANTENNA connector, make sure to remove the wire antenna, if any, from the
WIRE binding post.
© 2004 MFJ Enterprises, Inc.
Figure 5. Alinco Interface Cable.
Figure 6. Icom Interface Cable.
Instruction Manual
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