initialisation beeps when board is powered on

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

allow longer initialisation on device plugin or reboot

on-board digital computer / on-board computer

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.

Longer warning beeps when battery is critically low (repeats)

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

Warning beeps when battery is getting low (repeats)

battery-powered

jet-powered

low-powered ammunition

low-powered pistol cartridge

low-powered weapon

nuclear-powered aircraft carrier

nuclear-powered ballistic missile submarine (SSBN)

nuclear-powered engine

nuclear-powered submarine

powered winch

rocket-powered unit

solar-powered helmet radio

steam-powered catapult

atom-powered

battery powered telephone

vertically ascending rocket-powered vehicle

engine-powered model