FFT-1: This is an optional internal part for the FT-DX1200 that adds a lot of additional high end functionality to the full colour display.
The following additional functions become possible with the FFT-1.
RTTY and PSK31 decoder, recording of the received texts on the LC display
CW decoder, recording of the received texts on the LC display
CW Auto Zero, automatic tuning to zero beat on a CW station