The functions of pin 5 (the microphone button) can be altered by changing jumpers in the control head. To find these jumpers, see the section on packet radio in the ordinary instruction book.

                                          Control Head Jumper No
        Pin 5 Function                   Closed Jumper Marked By X
                                        1      2      3      4      5
        D/MR                            X
        Band                                   X
        1750Hz Tone Burst               X      X
        Main band Busy Out                            X
        Sub band  Busy Out                            X
        Call Channel                    X             X


        Main / Sub band busy out - When open SQL = 5 Volt DC
                                   Closed    SQL = 0 Volt DC
        [ed - I'm not sure what this means since I don't own a 5200]

        Attributed: John Newgas, G7LTQ jnewgas@cix.compulink.co.uk,
                    g7ltq@g7ltq.ampr.org


ACIKLAMA:
FT5200 (FT5100 de de belki ayni olabilir) 5 nolu mikrofon pin ucunun degisik maksatlarla kullanilabilmesi 
icin KONTROL DISPLAY UNITESI icinde PCB de bulunan 5 adet jumper uclari listede goruldugu gibi kisa devre edilir.

D/MR  VFO veya HAFIZA icin 1 nolu jumper kisa devre
BAND  DEGISIMI   2  nolu jumper 
1750Hz TONE YOLLAMA   1 ve 2 nolu jumper
ANA BAND ve ALT BAND SQUELCH +5V BILGISI ALMAK icin  3 nolu jumper kisa devre. SQL acik=5V cikar SQL kapali=0V cikar
FAVORI KANAL'a gecmek icin 1 ve 3 numarali jumper kisa devre edilir.