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==== RELEASE 18 ====
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6-8-2021

NEW STATUS DISPLAY -- TIME/TX:  There's a new option for the status area display: time (Z) and TX parameters (power and SWR). To select this option, tap the status area (above the "?" Button), then tap TIME/TX.

TRANSVERTER BANDS:  The K4 now has 12 user-programmable bands for use with external transverters. Transverter bands must be set up prior to use using the XVTR menu entries. The first XVTR menu entry specifies which of the 12 bands is being set up. Once setup is complete, you can tap BAND > XVTR > XVTRn to switch VFO A to a desired transverter band. Tap BAND > HF to go back to the last HF-6 m band. VFO B can be directly set to a transverter band by tapping BSET, then the BAND button.

DUAL TRANSVERTER BAND RECEIVE:  You can receive on two external transverters simultaneously with a K4D. Set up one to use RX ANT 1 and the other to use XVTR IN/RX ANT 2.

RX DYNAMIC RANGE OPTIMIZATION:  By default, new menu entry "RX Dyn. Range Optimization" is turned on. This configures the A-to-D converter for best dynamic range. Turning this off may slightly improve sensitivity. At present the setting applies to all bands; in a future release it may be settable per-band.

VFO CURSORS CAN BE MOVED DURING TRANSMIT:  If you move the VFOs during transmit, the associated panadapter cursors will update, even though the spectrum and waterfall remain frozen.

BUILT-IN KEYBOARD UPDATED:  All extended punctuation keys are now grouped to the right side of the keyboard. A new key has been added for tilde (~) and single quote (').

FOR SOFTWARE DEVELOPERS:  (1) SPLIT is now exited on receipt of and FR0 or FR1 command. (2) Added support for #ARM; #ARA; #AR/;. (3) Added transverter selection and setup commands: XV, XVM, XVR, XVI, XVO, XVP commands.