When you and your team need help from outside forces to get out of danger, you should understand the basic methods of asking for help and calling for help.
Placing fireworks: Fire fireworks is the most common way to ask for help. Smoke is used during the day, that is, putting some rubber pieces, leaves, moss, ferns, etc. on the fire, and can generate smoke to notify the outside world. At night, the fire should be on an open ground. Point three fires in the direction of a possible residential area and use firelight to send a distress signal.
Light signal: During the day, use a mirror to help the sun reflect the intermittent light signal to a possible residential area or rescue aircraft in the air. The light signal can be transmitted for 16 kilometers. The method is to aim one finger at the place where it should be conveyed, and the other with the reflector to adjust the reflected sunlight, and gradually direct the reflected light to the aiming point. At night, with a flashlight, a distress signal was sent to the rescue center.
The internationally accepted distress signal is SOS, which is three short and three short and continuously circulating.
Modern methods for help: With the exhibition of the times, various modern help-seeking devices are gradually becoming popular, such as beacons, radio communication machines, and satellite telephones, and if necessary, these modern devices can be gradually equipped.
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