50
<PL TONE>: Used to set up PL tone encode for use with repeaters.
<DTMF>: Brings up a DTMF keypad and a set of 6 programmable
tone commands. To create a tone command, hold the desired CMD
button, then enter the DTMF sequence. To play a tone command, or
to use the DTMF keypad directly on-air, you must first enter transmit
mode via either PTT or the XMIT switch. Also see FM Operation.
DATA, AFSK
<DATA BW>: Sets the transmit bandwidth for DATA mode. This
mode is used for FT8 and most other audio-based data modes.
Also see DATA MODES.
BAND SELECTION
The K4 provides several ways to select the band and operating
frequency:
• Tap <BAND>, then tap the button corresponding to the desired
band. Tapping a given band button more than once cycles through
three band-stacking registers, recalling recently used frequencies and
modes. Tapping the <GEN> band button returns to the most recently
used SWL or general-coverage frequency, typically outside any ham
band. Tapping <MEM> is a shortcut to the most recently used
frequency memories. <XVTR> takes brings up the array of 12
transverter band buttons.
• Tap [FREQ ENT] and directly enter the desired numeric frequency.
(Examples TBD.) When you're on a transverter band, values with three
digits and higher are interpreted as MHz. On HF-6 meters, they are
interpreted as kHz. If [B SET] is tapped first, the entered frequency will
be used to set up VFO B.
• Tap [RCL] to bring up the frequency memory selection window. You
can either scroll to a desired memory and tap the <RCL> touch button,
or tap one of [M1]-[M4] to recall a quick memory.
• Tapping the MHz digits of either VFO also brings up the memory
recall window.
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