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.
How to recognize a gas leak. You may already know that natural gas has no smell. Utility companies have added a substance to it that smells something like rotten eggs, so people will notice a gas leak. But donât depend on your sense of smell alone to detect a gas leak. You might have a gas leak if you notice: The smell of gas