Yaesu FT-991 User manual

Yaesu FT-991 Key Press Sequences
Contents
Yaesu FT-991 Key Press Sequences........................................................................................................1
Revision History.................................................................................................................................1
Resetting Memories...........................................................................................................................1
Menu Resetting.................................................................................................................................1
Full Reset...........................................................................................................................................1
Service Menu.....................................................................................................................................2
heck Firmware Versions...................................................................................................................2
DSP Firmware Update........................................................................................................................2
TFT Firmware Update........................................................................................................................2
Revision History
Version 1_14122015 Original
Version 2_01012016 Corrected key press sequence for full reset and sequence for checking firmware
versions
Resetting Memories
Press and hold [A>M] button, then press [POWER] and hold.
Menu Resetting
Press and hold [MENU(SETUP)] button, then press [POWER] and hold.
Full Reset
Press and hold [FAST] + [LO K] buttons, then press [POWER] and hold.

Service Menu
To access the service menu, press and hold [A=B] + [A/B] + [FAST] buttons, then press [POWER] and
hold.
Chec Firmware Versions
Press and hold [A=B] + [A/B] buttons, then press [POWER] and hold.
DSP Firmware Update
1. Power off FT-991. Remove all cables.
2. Plug in USB cable and power cable.
3. Turn power supply on.
4. Press and hold [F(M-LIST)] + [MENU(SETUP)] + [BAND] then press [POWER] and hold. Green
indicator light under MEM turns on. Release buttons.
5. Execute firmware update software.
6. Press [POWER] button, turning the FT-991 off.
TFT Firmware Update
1. Power off FT-991. Remove all cables.
2. Plug in USB cable and power cable.
3. Turn power supply on.
4. Press and hold [F(M-LIST)] + [BAND] + [MODE] then press [POWER] and hold. Red indicator
light under VFO-A turns on. Release buttons.
5. Execute firmware update software.
6. Press [POWER] button, turning the FT-991 off.