Tighten the screws to ensure secure installation. When installing on the aircraft for long-term use, use the included hex key to tighten the screws again after installation When using the speaker and spotlight together, please remove the speaker adapter bracket Activate the speaker and calibrate the aircraft compass following the app prompts after installation. If a firmware update is available, please upgrade to the latest version promptly DO NOT use the speaker near people or in an urban area where noise-sensitive structures are concentrated, as the loudness could lead to accidents or injuries It is not recommended to play single-frequency sounds to avoid irreversible damage to the speaker Louder volume, further reach. The DJI AS1 Speaker can reach 114 decibels at 1 meter, with a broadcast range of up to 300 meters. [1] It supports recorded messages, media imports, and text-to-speech conversion [2]. Additionally, it features real-time broadcasting and echo suppression. [3] The spotli