Warning beeps when battery is getting low (repeats)

Longer warning beeps when battery is critically low (repeats)

Warning beeps when board is armed with motors off when idle (repeats until board is disarmed or throttle is increased)

Warning text that appears when the battery voltage falls below warning threshold

be getting wrapped up

getting into the column

repeats until ... is okay

GTD system (Getting Things Done)

Beeps SOS when armed and TX is turned off or signal lost

Beeps sound

Beeps when gyro has been calibrated

Beeps when TX is turned off or signal lost

Disable all beeps.

initialisation beeps when board is powered on

Setting volume of the startup beeps too high might damage the motors

The volume of the startup beeps

This sets if the TX only beeps one-time versus playing a startup song

Use Dshot beacon (use motors to sound beeps when disarmed)

use the number of beeps to

Battery voltage warning

Battery warning

launching battery (missile battery)

battery coolant unit / battery-coolant unit (BCU)

differential low oil pressure warning signal

low battery alarm

low-RCS target / low-radar-cross-section target

low flying aircraft / low-flying aircraft

low-flying, low-speed drone

advance warning

advance-warning satellite

air defense early warning

airborne early warning (AEW)

airborne early warning aircraft