Reversing signal 12-80V 12-80V 87/97/107dB beeping and white noise

Backup alarm has adjustable volume settings for beeping and white noise sound, ranging from 87dB, 97dB, and 107dB, replacing six different buzzers. It operates at 12-80V, which is suitable for use on forklifts. It is connected by wire.

– voltage: 12-80V
– sound pressure level: adjustable 87dB, 97dB in 107dB (beeping or white noise)
– approval: ECE R10

Wiring diagram:
– black: negative pole “-”
– red: positive pole “+”
– yellow: apply to red wire, switch to noise or back to beeping
– white: with contact on red wire, activate “silent function 0dB”
– grey: apply to red wire to select between three sound pressure levels of the beeping/white noise sound.