FC$
(Center Panadapter for target VFO)
SET format:
FC; or FC$; will center the panadapter on the target VFO.
FI$
(IF Center Frequency)
SET/RESP format:
FIn… where n… is 1 to 11 digits. Supports same formats as FA/FB.
Sets center frequency for panadapter and/or IQ data streaming.
FP$
(Filter Preset)
SET/RESP format:
FP$n; where n is 1-3. Selects filter preset n for current mode.
NOTE:
Make sure operating mode is selected first, since presets are saved per-mode.
FR
(Receive Function)
SET/RESP format:
FRn; where n is a decimal digit. Cancels SPLIT if applicable.
NOTE:
This command is provided for K3 compatibility. It is equivalent to FT0.
FT
(Split)
SET/RESP format:
FTn; where n = 0 (SPLIT off) or 1 (SPLIT on).
TOGGLE format:
FT/; alternates between SPLIT on and off.
FX
(Audio Effects)
SET/RESP format:
FXn; where n is 0=0ff, 1=delay (sim stereo), 2=pitch-map.
NOTES:
(1) If the sub receiver is on (SB command), normal stereo audio effects do not
apply. (2) The K3 doesn't support pitchmap mode. Instead, it has a "BIN" mode that is not
available on the K4. BIN on the K3 does simple binaural phase inversion, like the toggle
switch on some headsets.
GT$
(AGC Mode)
SET/RESP format:
GT$n; where n is 0=0ff, 1=slow AGC, 2=fast AGC.
K3 SET/RESP format:
GTnnn; where n is 002 for fast AGC and 004 for slow AGC.
K2 Extended SET/RSP format (K22):
GTnnnx; where x is 0 (AGC off) or 1 (AGC on).
TOGGLE format:
GT$/; alternates between AGC on and off.