EXIT button callback — guaranteed to shut everything down. * UI thread: closes the window right away (app.stop()). * W

Turn on all LEDs to current color.

Map hold timer value to hold bar position

Toggle mimic transmission on/off. Called by the mimic button in the KV file.

Handles joining the WAMP session.

Called when user selects a file from dropdown and close it.

Set the playback speed multiplier from dropdown text and close it.

Start periodic refresh when screen is shown.

Start telemetry updates when screen is entered

Called when the screen is entered - start updating values

Called when entering the screen.

Called when the screen is entered.

Start telemetry updates when entering the screen

Called when the orbit data screen is entered.

Start telemetry updates when entering the screen

Called when the settings screen is entered.

Stop periodic refresh when leaving the screen.

Stop telemetry updates when screen is left

Called when the screen is left - stop updating values

Called when leaving the screen.

Called when the screen is left.

Called when the screen is left.

Stop telemetry updates when leaving the screen

Called when leaving the orbit data screen.

Stop telemetry updates when leaving the screen

Called when the settings screen is left.