RF remotes generally work this way: The originating signal is sent from the remote as RF (radio frequency.) In the case of the MX-950 in my theater that's 418MHz, a very stable and reliable frequency band.
By nature, propane is clear and contains no scent at all. For safety purposes propane. companies add a substance known as ethyl-mercaptan to the propane fuel. Ethyl-. mercaptan has a strong rotten egg, or skunk-like scent, which allows the consumer to. smell it in the case of a leak.
To become familiar with the smell of propane, call your propane dealer for a Scratch-And-Sniff brochure, and ask to smell the propane when your propane dealer fills your tank. Warning Signs Below are some warning signs of a gas leak.