Place it at the start of a detection sequence, before the action begins, then follow it with Enemy Spotted to name the threat and Danger Alarm Meme Sound to raise the stakes before the fight starts.
关于此声音
This is the rapid electronic beeping of a Proximity Alarm gadget, running for just under twelve seconds as the alert repeats. It puts a listener on edge at once, with a rising sense of pressure that someone has crossed into a defended space. The tone comes from Tom Clancy's Rainbow Six Siege, where the gadget warns defenders that an intruder has entered its range.