Elecraft KX1 Manual - Manual (Page 70)

E
LECRAFT 69
beat (0 Hz audio). If it's a voice signal, tune for most natural-
sounding audio. Then exit the menu.
Checking the Firmware Revision
Hold any switch on power-up to display the revision (e.g. 1.01).
Note: Checking the firmware revision by holding M E N U
,
B AN D
, or
R I T
on power-up also sets the LED to high brightness and enables
CW feedback on switch press (at 10, 20, and 30 WPM respectively). If
you turn the KX1 back off before accessing the menu, the LED
brightness and CW feedback will revert to their previous settings.
Resetting to Factory Defaults
Reset to defaults takes two steps. Step 1: Hold
B AN D
and
M E N U
together on power-up, releasing the switches after the LED test. You
should see E09. Step 2: Turn power off and back on again; you
should see E10. Tap any switch. You'll then need to set up all menu
entries again.