Logitech 915-000081 User Manual - Page 33

NTSC (National Television System(s) Committee) Output Device The standard video broadcast format used in North America. A device that produces the sound or picture, for example, a TV or speakers. PAL (Phase Alternating Line) Passthrough A video format that is used in the UK, and parts of Europe and Asia. A device that routes video or audio from one device to another device. Personal Video Recorder (PVR) Contains an internal recorder and player that records and plays video without the use of a removable tape or disc. Typically PVRs can pause, rewind, instantly replay, and play slow-motion for live or recorded TV. Examples of PVR service providers are TiVo, ReplayTV, UltimateTV, and Keen PM. Many satellite and cable providers also provide PVR services and have PVRs included in some of their set-top boxes. Pre-amplifier A control and switching component that may include equalization functions. Pre-amp Sound Processing Takes a small signal and amplifies it sufficiently to be fed into the power amplifier for further amplification. A pre-amp includes all of the controls for regulating tone, volume, and channel balance. This task is known as sound processing. Receiver Also referred to as a tuner or a stereo receiver. A receiver can be any component that receives or tunes broadcast signals, or AM/FM radio. Typically refers to the single component that includes a preamplifier, surround processor, multi-channel amplifier, and AM/FM tuner. RF (Radio Frequency) Used by some remote controls, to control devices that are out of sight (e.g. behind cabinet doors) because it doesn't have the same line-of-sight restrictions as IR (infrared) signals. 33