To get the most out of this guide, you should acquire a . Look for a PDF that includes:
If you are trapped with a flashlight, a whistle, or a pipe to bang on, you can tap out "SOS" (Dit Dit Dit, Dah Dah Dah, Dit Dit Dit). However, with a full chart, you can spell out specific needs, like "MEDIC" or "HELP - FIRE." Morse Code Chart