There are two main types of heat pumps: geothermal heat pumps and air-source heat pumps. A geothermal heat pump draws the heat from the ground, while the air-source type pulls the heat from the air outside.
RF cables are a type of coaxial cable that is used to send radio frequency signals. RF cables are often used to send video information to a TV set. Identification. RF cables can be identified by the connectors at the end of the cables. RF cable connectors have a single pin that plugs into the RF input on a TV or other device and a threaded piece of metal around the connector that can be used to secure the cable to the RF input port. RF cables are commonly used in cable TV and Internet connections.
Look at the back of your TV to see if it has 1 or 2 RF connections. If there are 2 inputs on the back of your TV, make sure the RF cable is connected from the cable/ satellite box to the AIR input for satellite and the CABLE input for cable. Using the Samsung TV remote (not the cable/ satellite remote), turn the TV on and then press the 2 digit number of your output channel. For example, if your RF output channel is 3, press 0-3. Note: If you get a Not Available. Message when you enter the channel number, the TV is set to the wrong input.