MFJ-993B IntelliTuner Automatic Antenna Tuner
Instruction Manual
2005-2012 MFJ Enterprises, Inc.
iii
Operation .......................................................................................................................... 34
Yaesu Radio Interface/MFJ-5124Y ............................................................................................... 35
Connections for FT-100 .................................................................................................... 35
Operation for FT-100 ........................................................................................................ 35
Connections for FT-450 .................................................................................................... 36
Operation for FT-450 ........................................................................................................ 36
Connections for FT-857 or FT-897 ................................................................................... 37
Operation for FT-857 or FT-897 ....................................................................................... 37
Connections for FT-950 .................................................................................................... 38
Operation for FT-950 ........................................................................................................ 38
Yaesu Radio Interface/MFJ-5124Y2 ............................................................................................. 39
Connections for FT-847 .................................................................................................... 39
Operation for FT-847 ........................................................................................................ 39
Yaesu Radio Interface/MFJ-5124Y3 ............................................................................................. 40
Connections for FT-1000MP series of radios ................................................................... 40
Operation for FT-1000MP series of radios ....................................................................... 40
Connections for FT
DX
-9000 series of radios..................................................................... 40
Operation for FT
DX
-9000 series of radios......................................................................... 41
Yaesu Radio Interface/MFJ-5124Y4 ............................................................................................. 41
Connections for FT-2000 series of radios ......................................................................... 41
Operation for FT-2000 series of radios ............................................................................. 42
Connections for FT
DX
-5000 series of radios..................................................................... 42
Operation for FT
DX
-5000 series of radios......................................................................... 42
In Case of Difficulty ...................................................................................................................... 43
Technical Assistance ...................................................................................................................... 43
List of Accessories ......................................................................................................................... 43
Circuit Block Diagram ................................................................................................................... 44
FIGURES
Figure 1. Typical Installation Block Diagram ................................................................................ 4
Figure 2. MFJ-993B Front Panel .................................................................................................... 4
Figure 3. Mode Button Flow Chart and Button Action .................................................................. 7
Figure 4. MFJ-993B Back Panel ..................................................................................................... 8
Figure 5. Alinco Interface Cable ..................................................................................................... 9
Figure 6. Icom Interface Cable ....................................................................................................... 9
Figure 7. Yaesu Interface Cable (FT-1000MP/-9000 series) ........................................................ 10
Figure 8. Yaesu Interface Cable (FT-2000/-5000 series) .............................................................. 10
Figure 9. SWR/Wattmeter ............................................................................................................ 12
Figure 10. Power Bar Meter (High Range) ................................................................................... 14
Figure 11. Power Bar Meter (Low Range) ................................................................................... 14
Figure 12. SWR Bar Meter ........................................................................................................... 14
Figure 13. Main Mode Menus Display ......................................................................................... 15
Figure 14. Tuner Indicators ........................................................................................................... 16
Figure 15. Power-On Operations .................................................................................................. 26
Figure 16. MFJ-993B Circuit Block Diagram .............................................................................. 44