I. The 112th (2023) Joint Civil-Military Air Defense Exercise (Wan An No. 46) is scheduled to be conducted on July 25, 112 (Tuesday) from 13:30 to 14:00.

II. The exercise will adopt a "pre-announced, simultaneous South Area" approach, implementing practical drills for personnel and vehicle control and evacuation.

III. During the exercise period, residents in the area will continue their normal commute to and from work/school, and all public and private factories and companies will operate as usual.

IV. After the exercise siren is sounded, evacuate and take shelter, and implement traffic control for people and vehicles: "Stop vehicles, and people evacuate to nearby shelters." Residents at home should close windows, doors, lights, sound systems, and comply with other necessary controls.

V. At 13:30, the emergency siren will be sounded with a pattern of one long tone followed by two short tones. The long tone will last 15 seconds, and each short tone will last 5 seconds, with a 5-second interval between each tone. This will be repeated three times, for a total of 115 seconds.

VI. At 14:00, the all-clear siren will be sounded with one long tone lasting 90 seconds.