Yaesu FT-991A

www.yaesu.com

Contents of this page:

  • CPU/Memory Resets
  • Mic Pin outs
  • Tech Menu Settings for data setup
  • Useful CAT commands

POWER ON MICROPROCESSOR RESETS

  • Hold down these buttons while turning the power on...
  • A>M - Resets memories only.
  • MENU - Resets all menus
  • FAST and LOCK - Resets all memories and menu settings.
  • FAST and A/B and A=B - Puts the radio into Service Mode. (When done press MENU/SETUP to save and exit)

PIN OUTS

MENU SETTINGS FOR DATA MODES

  • I used these settings once the USB cable drivers (COM3) were loaded.
  • N1MM Users CW setup: - COM3 DTR (Pin4)=CW, RTS=OFF.
  • Set FT991A to CW enable, CAT RTS = Disable, PC Keying = DTR
  • WSJT Setting: - Set CAT = COM4 38400 8 2 None, PTT = RTS / COM3 .
  • Set FT991A Menu Items: 62=OTHERS, 66=OFF, 72=USB, 108=RTS, 109=USB, DT Gain = set via ALC Meter
  • Transmit triggered by USB audio: Make sure VOX is on and
  • Menu 146 Vox Select - DATA
  • Menu 147 Vox Delay - 300ms

USEFUL CAT COMMANDS

  • {CAT1ASC PB##;} Playback from pre-recorded memories. Where ## = 00 for stop, 01 - 04 for playback etc.
  • {CAT1ASC EX1420;} Sets Vox to Mic
  • {CAT1ASC EX1421;} Sets Vox to Data
  • {CAT1ASC VX0;} Turns Vox off
  • {CAT1ASC VX1;} Turns Vox on
  • {CAT1ASC KS###;} Change Keyer speed 004-060 WPM.
  • {CAT1ASC KY#;} Turn Keyer on or off. 0 or 1
  • {CAT1ASC BI#;} Turn Break-in on or off. 0 or 1.
  • {CAT1 = rig 1, CAT2 = rig 2 where needed.
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CAT COMMANDS re SCU17 Interface and N1MM

  • Changing from audio in via rear to audio in via microphone - FT5000
  • F1 CQ,{CAT1ASC EX1031;}{OPERATOR}\Cq.wav{END}{CAT1ASC EX1030;}
  • F2 EXCHANGE,{CAT1ASC EX1031;}{OPERATOR}\Exchange.wav{END}{CAT1ASC EX1030;}
  • F3 TNX,{CAT1ASC EX1031;}{OPERATOR}\Thanks.wav{END}{CAT1ASC EX1030;}
  • F4 CALLSIGN,{CAT1ASC EX1031;}{OPERATOR}\CALLSIGN.wav{END}{CAT1ASC EX1030;}
  • F5 LongCQ,{CAT1ASC EX1031;}{OPERATOR}\LongCq.wav{END}{CAT1ASC EX1030;}
  • F6 BRAG,{CAT1ASC EX1031;}{OPERATOR}\BRAG.wav{END}{CAT1ASC EX1030;}