ELECRAFT K4 - Page 23

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• FAR LEFT SIDE: Transmit and antenna-selection controls.
• TO THE LEFT OF THE LCD: Three multi-function knobs, each with two
associated touch buttons. These provide quick access to parametric
settings for the current operating mode. Below the multi-function
knobs is a concentric knob controlling main/sub receiver AF gain.
• LCD AND TOUCH CONTROLS: See LCD SCREEN AND TOUCH
CONTROLS.
• TO THE RIGHT OF THE LCD: VFO A knob, LED status indicators, and
numeric keypad. Keypad switches each have tap and hold functions.
They are organized in three rows: message play (top), receive
functions (middle), and VFO controls (bottom). Surrounding the VFO A
knob are four additional VFO controls including the SUB/DIVERSITY
switch.
• FAR RIGHT SIDE: Memory STORE/RCL switches, VFO B knob, and
RIT/XIT offset controls. The latter double as programmable functions
PF1-PF4.
Front-Panel Connectors
There are three connectors on the front panel:
MIC
The front mic jack is an Elecraft standard 8-pin type. It is compatible
with the Elecraft MH4 and other K3/K3S-compatible microphones.
Bias, gain, and mic PTT/UP/DOWN controls are configured using <TX>
<MIC INP> and <MIC CFG>. For pin connections, refer to Introduction
to the Elecraft K4.
MH4 Settings (recommended): Preamp=off, Bias=on,
Buttons=PTT/UP/DN.
PHONES
1/4" (6.53 mm) front phones jack. Can be used with mono or stereo
plugs. Plugging in headphones disconnects the speaker(s) unless the