High Power Air defense siren test

May 09, 2022

whether indoors,
still outside,
If you hear an air raid siren speaker,
Don't panic!
because
This is an air defense siren loudspeaker horn test!
AIR RAID SPEAKER

When the alarm goes off,
Hear it all over the city!
Then you know the siren that is ringing through the city,
How did the beeping start?

▲Fixed siren: It is placed on the top floor of many buildings in Shenyang. The siren is a "combination type" with speakers on all sides.

▲Portable siren: It can be placed on the civil air defense horn speaker vehicle and sound in non-fixed places.
What are the forms of air defense alerts?
advance warning
High Power Speaker

Early warning: It is issued when the enemy has a warning of an attack on our side, requiring personnel to start evacuation. When the pre-alarm sounds, citizens prepare personal protective equipment, complete all the urgently needed items in the personal air defense emergency kit, and clarify the location of the civil air defense project and the evacuation and transfer routes. Personnel in the living room should close the doors and windows, cut off the power supply, extinguish the fire, and turn off the gas and liquefied gas.

Features: sound for 36 seconds, stop for 24 seconds, repeat 3 times as a cycle, time 3 minutes.

Air Raid Alert

Air Raid Alert: It is issued when the enemy is about to attack us. When the air raid siren sounds, citizens should take personal protective equipment and emergency kits and quickly enter the civil air defense project or evacuate in a pre-selected place or take cover nearby.

Features: sound for 6 seconds, stop for 6 seconds, repeat 15 times as a cycle, time 3 minutes.

All clear

Clearance Alert: Clearance alerts are issued during air strikes or when the situation has temporarily eased.

Features: Long beep for 3 minutes.

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Author:

Ms. Silvia

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ms@minsound.com

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+8618952672716

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