ELECRAFT K4 - VFOs AND RIGHT-SIDE CONTROLS; VFO A and Numeric Keypad

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In FSK and AFSK modes, the mini-pan cursor identifies the mark tone,
while a dotted line shows the space tone.
Alphanumeric Keyboard
An alphanumeric keyboard is displayed when text entry is required,
such as when entering your callsign (see Status Area) or CW/FSK/PSK
message text (CW Messages).
In all cases, you may also enter text using an attached keyboard.
VFOs AND RIGHT-SIDE CONTROLS
VFO A
VFO A controls the frequency of the main receiver. Tap [RATE] to
alternate between 1 and 10 Hz tuning, or hold [KHZ] to select a per-
mode coarse tuning rate. You can also tap the kHz or Hz digits to
directly select a tuning rate, or tap the MHz digits to bring up the
memory recall window. See FREQUENCY MEMORIES.
To lock VFO A, tap [LOCK A]. To lock VFO B, hold [LOCK B]. When a
VFO is locked, QSY via panadapter touch is also disabled.
Above the VFO A knob there are four LEDs:
• TX illuminates during transmit
• Delta-F (∆f) indicates that RIT, XIT or SPLIT is in effect
• SUB turns on if the sub receiver is in use (see DUAL RECEIVE)
• DIV turns on if diversity mode is in enabled (see DIVERSITY MODE)
Numeric Keypad
Above VFO A is an array of 15 switches that comprise a numeric
keypad (0-9, in orange labels). These can be used to enter frequencies
and other numeric data when required. In addition to the decimal