Zvukovгќ Signгѓl Brгѓny 1.46 ★ Hot & Newest

Indicates that a mechanical sequence (opening or closing) has been initiated.

For more detailed regulatory requirements on sound signals for vessel safety, you can review the Sound Signaling Device guide or the official UNECE ANNEX 6 documentation. ZVUKOVГќ SIGNГЃL BRГЃNY 1.46

Verify that the sound pressure level has not degraded. Indicates that a mechanical sequence (opening or closing)

Must maintain a minimum sound pressure level to ensure audibility over background noise (engine rooms, wind, or traffic). ZVUKOVГќ SIGNГЃL BRГЃNY 1.46