Application provides new feature "Countdown", since version 60.
This function provides user with a countdown watches with time readout or acoustic signalling. Countdown function can be enabled in Setinngs -> Tools -> Countdown. When enabled, a countdown indicator (circle) is displayed in top left corner on telemetry layout.
Countdown is started by tapping on the countdown indicator (Circle in the top right corner). Tapping again will stop the countdown and tapping again will reset it.