Glossary of Television Terms

Alternate Channel • Allows you to toggle between the last two channels viewed by pressing the A/CH button on the remote control.

Audio/Video Inputs • Jacks (standard RCA), located on the back of the TV, used for external accessory devices. These jacks are designed to receive higher picture resolution and offer sound-connection options.

Auto Programming • When activated, this feature scans for all available channels from regular antenna or cable signals and stores only active broadcast stations in the TV’s memory.

Channel Edit • The feature that allows you to add or delete channels from the list of channels stored in the TV’s memory.

Closed Captioning • The broadcast standard feature that allows you to read the voice content of television programs on the TV screen. Designed to help the hearing impaired, Closed Captioning shows dialogue and conversations while a TV pro- gram is in progress.

Coaxial Cable • A single solid wire normally matched with a metal plug (F-type) end connector that screws (or pushes) direct- ly onto a 75-ohm input found on the television or VCR.

Component Video Inputs • Inputs that allow the separate recep- tion of blue, red, and luminance signals. These inputs provide the highest possible color and picture resolution in the playback of digital signal-source material, such as the kind available from DVD players.

Incredible Stereo (or Surround) • False acoustic management of the audio signal that produces a dramatic expansion of the wall of sound that surrounds the listener and heightens overall viewing pleasure.

Menu • An onscreen list of feature controls available for you to adjust or set.

Onscreen Displays (OSD) • The wording or messages generat- ed by the television (or VCR) to help you with specific feature controls (color adjustment or programming, for example).

Remote Control Sensor Window • The window or opening found on the television control panel through which infrared remote control command signals are received.

Second Audio Program (SAP) • An additional audio channel provided for in the Multichannel Television Sound (MTS) broadcast standard. A monaural soundtrack included within the recorded or video signal (usually containing a second language translation for the displayed programming).

Status/Exit Button • The remote control function that allows you to quickly confirm what channel number you are watching. Status/Exit can also be used to clear the television of onscreen displays or information. You can use Status/Exit rather than hav- ing to wait for the displays to “time out,” or automatically disap- pear from the screen.

S-Video Input • Signal input that allows direct connection of high-resolution video sources, such as a satellite receiver, DVD player, S (Super)-VHS videocassette recorder, or video games. Provides improved picture resolution, sharpness, and clarity.

Tint • TV function that allows you to change the general color balance between cool and warm. Adjust tint according to your personal preference.

20RF50S specifications

The Philips 20RF50S is a notable black-and-white television that represents a significant piece of television history from the early 1970s. This model showcases Philips' commitment to quality and innovation during a time when television technology was rapidly evolving.

One of the most prominent features of the Philips 20RF50S is its compact 20-inch screen, which was ideal for smaller living spaces, making it a versatile option for many households. The model's design was simple yet functional, with clean lines and a classic aesthetic that would fit seamlessly into various interior styles.

Equipped with a reliable CRT (cathode ray tube), the Philips 20RF50S delivers a sharp and clear black-and-white image, which was impressive for the era. The television's screen provided decent contrast and brightness, ensuring viewers enjoyed a satisfying visual experience while watching their favorite programs. The model did not support color broadcast, as it was a product designed for the era before color television became the standard in most households.

The sound system on the Philips 20RF50S includes an integrated speaker that offers reliable audio quality, delivering clear dialogue and sound effects. Users appreciated its straightforward setup, as the model featured simple knobs for channel tuning and volume control.

Technologically, the Philips 20RF50S was designed with durability in mind. It incorporated materials that enhanced the longevity of the television, ensuring it could withstand the wear and tear of daily use. Many units from this time period are still functioning well today, a testament to Philips' engineering quality.

Connectivity-wise, the television includes standard RF inputs, allowing users to connect to an antenna for broadcast reception. As a result, viewers could tune into local channels without the need for additional accessories.

Overall, the Philips 20RF50S is more than just a television; it embodies a nostalgic era in broadcasting history. With its blend of simplicity, reliability, and quality, it serves as a reminder of the foundational technology that paved the way for the television advancements we benefit from today. Whether remembered fondly by those who encountered it in their childhood homes or appreciated by collectors, the Philips 20RF50S holds a unique place in the annals of television history.