28
Pin 1: SW 2 multi-function switching
Pin 2: N.C. (9600bps packet data output FT-90)
Pin 3: + 9 v
Pin 4: GND
Pin 5: Microphone Input
Pin 6: SW 1 PTT, UP, DOWN
The circuit below gives you PTT, UP, DOWN, ACC, P, P1, and P. Don't forget that you
can program the functions of P, P1 and P2 on the FT-100:
When you try to use various mics with the FT-100D you may find that you have muffled
or very low apparent audio drive level. This may be due to the fact that the mic you are
trying to use has a relatively high output impedance as compared to the input impedance
of the FT-100D. This can result in the low audio and/or muffled transmit audio problems.
There is a pre-amp design available at http://hometown.aol.com/ampmicro.
Mic Buttons
The microphone MH36B has a complete set of numeric buttons but they cannot be used
for numeric frequency input. They can only be used to send DTMF tones in FM mode by
holding in the PTT and simultaneously pressing the numeric sequence. There is no audio
Summary of Contents for FT-100 Micro Mobile
Page 1: ...Yaesu FT 100 undocumented Compiled by PA3GMP Printed 4 April 2004...
Page 10: ...9 ATAS 100 Disassembly...
Page 11: ...10...
Page 12: ...11...
Page 13: ...12...
Page 20: ...19 After the factory mod...
Page 22: ...21 Prior to modification...
Page 23: ...22 Prior to modification...
Page 24: ...23 After modification...
Page 37: ...36...
Page 46: ...45 FT100 menu settings Entry Set to Description Remarks...
Page 47: ...46 FT100 menu settings Entry Set to Description Remarks...
Page 48: ...47 FT100 menu settings Entry Set to Description Remarks...
Page 49: ...48 FT100 menu settings Entry Set to Description Remarks...
Page 50: ...49 FT100 menu settings Entry Set to Description Remarks...
Page 51: ...50 Frequency list Freq Mode Memory Description...
Page 52: ...51 Frequency list Freq Mode Memory Description...
Page 53: ...52 Frequency list Freq Mode Memory Description...
Page 54: ...53 Frequency list Freq Mode Memory Description...
Page 55: ...54 Frequency list Freq Mode Memory Description...