Forcing the K3 into "firmware load required" mode

To force the K3 into a state that it requires a firmware download,

• Unplug the K3 from its power supply for at least 5 seconds.
• Plug the power supply back in.
• Press and hold the K3's power switch in for about 10 seconds until the red TX LED begins to flash.
• Click "Check Versions Now" on the Firmware page.
• Click "Send All New Firmware".