Correct operation instructions for emergency escape breathing apparatus:

1. Hang the backpack cover around your neck or diagonally on your shoulder, and adjust the straps moderately; Open the bag opening of the backpack, grab the hood and take it out;

2. Tear off the cover of the gas cylinder valve on the backpack, twist the gas cylinder valve counterclockwise until * opens, and there should be an airflow sound at this time;

3. Place the transparent face window forward and cover the head with a hood. The neck opening will automatically tighten around the neck, allowing for free breathing. Adjust the position of the hood so that both eyes can observe the surrounding environment;

4. Choose a suitable path as soon as possible and quickly escape to a safe area. Unless it is the escape route, try to avoid entering the dangerous gas hinterland as much as possible;

5. After completing the escape maneuver, grab the elastic band at the lower end of the hood with both hands and stretch it outwards, then lift off the head and neck parts upwards;

6. Close the cylinder valve clockwise;

Attention: This device can only be used for emergency evacuation and cannot be used for fire detection or other purposes.