Where was the air defense alert pulled, and where is the air raid alert?

Air defense alert. It was sent from the horn of the siren of the air defense warning equipment.

Job. The main tasks include: announcing air defense warning signals, publicizing them widely, and organizing test drills; Air defense warning signals should be issued at appropriate times, advance warnings should be issued when the enemy is likely to carry out air raids, air defense warnings should be issued when obvious signs of enemy air raids are discovered, and disarming warnings should be issued when the danger of enemy air raids has been eliminated.

Air defense alerts are usually issued sequentially, and air raid alerts can be issued directly when the air raid situation is sudden and urgent and cannot be issued.

Two of them are the high-pitched building desktop alarms placed on the major tall buildings! The second is that the alarm cars are all owned by the local security divisions, and when the alarm needs to be pulled, they will drive to a block!

At the top of the city's high-rise buildings there are high-intensity horns, and it's from where the alarm is issued.

The horns of the air defense sirens are generally installed near the living areas of ordinary people, and some are installed on residential buildings. According to different conditions of use, the air defense siren is divided into two types: fixed siren and mobile siren, and the mobile siren is mainly installed on the car. In addition, whistles, wired and wireless radio, television, the Internet, and bells and gongs can also be used as auxiliary equipment and means for alarms.

In wartime, when citizens hear the air defense siren sounding, they should remain calm, listen carefully to what kind of air defense siren signal is issued, and then quickly take corresponding measures.

It is used for civil air defense in wartime, and is the basic means for the people at all levels to implement civil air defense command and organize personnel evacuation, and it is a warning that sounded to remind people of air defense when the city is threatened by air raids.

In wartime, communications, radio, and television systems must give priority to transmitting and issuing air defense warning signals, and auxiliary means such as whistles, horns, and bells and gongs can also be used. According to the location of the sound alarm, it is divided into fixed and mobile; According to the energy conversion mode, it is divided into electric type, electroacoustic type, pneumatic type and hand-cranked type.

The air defense alarm is issued from the horn in the siren of the air defense warning equipment.

Job. The main tasks include: announcing air defense warning signals, publicizing them widely, and organizing test drills; Timely release of anti-filial piety and air warning signals, early warning when the enemy is judged to be likely to carry out air raids, air defense alerts when obvious signs of enemy air raids are found, and disarming alarms when the danger of enemy air raids has been eliminated.

Air defense alerts are usually issued sequentially, and air raid alerts can be issued directly when an air raid situation suddenly makes it impossible to issue an advance warning.

Air defense alarms are issued from various air defense warning facilities, and the specific setting of vertical limb clusters is planned according to the situation of the city, and is generally installed near the living areas of the common people, and some are installed on residential buildings.

Sirens are classified in different ways. According to the energy conversion method, it is divided into four categories: electric, electroacoustic, pneumatic and hand-cranked siren; According to the different conditions of use, it is divided into two types: fixed siren and mobile siren, and the mobile siren is mainly installed on the car with the air defense siren. In addition, whistles, wired and wireless Yuying radio, television, **, hunger Internet and bell ringing gongs, etc., can also be used as auxiliary equipment and means of alarm.