Always ensure your power supply is stable during the flash process. A power failure while writing the Main CPU or DSP firmware can "brick" the radio, requiring a factory repair.
Press and hold the [GEN] + [5] + [0] keys while turning the power on to see your current firmware versions. Ft 2000 Upgrade Software
Significant tweaks to the EDSP to reduce "ringing" in narrow CW filters and improve the signal-to-noise ratio. Always ensure your power supply is stable during
Note that there is a small "Programmer Switch" located behind a rubber cap or on the rear panel (depending on the specific sub-model) that must be toggled to the "ON" position before the software can write to the CPU. Where to Find the Software Ft 2000 Upgrade Software