The Apple AudioVision 14 Display is a 14-inch Trinitron

Trinitron

Trinitron is Sony's brand name for its line of aperture grille based CRTs used in television sets and computer display monitors. One of the first truly new television systems to enter the market since the 1950s, the Trinitron was announced in 1966 to wide acclaim for its bright images, about 25%...

 display

Computer display

A monitor or display is an electronic visual display for computers. The monitor comprises the display device, circuitry, and an enclosure...

 that was manufactured by Apple Inc. This display is unique because it is the only display ever to use the HDI-45 connector

HDI-45 connector

The HDI-45 was one of Apple Computer's proprietary cable-to-onboard video connectors. These connectors were used only in the first generation Power Macintosh computers specifically for the Apple AudioVision 14 Display. No other display uses this connector...

, capable of transferring video to the screen, video capture input from an S-Video

S-Video

Separate Video, more commonly known as S-Video and Y/C, is often referred to by JVC as both an S-VHS connector and as Super Video. It is an analog video transmission scheme, in which video information is encoded on two channels: luma and chroma...

 source, audio output, audio input, and Apple Desktop Bus

Apple Desktop Bus

Apple Desktop Bus is an obsolete bit-serial computer bus connecting low-speed devices to computers. Used primarily on the Macintosh platform, ADB equipment is still available but not supported by most Apple hardware manufactured since 1999....

 (ADB) all through one cable. The monitor also has a built-in microphone. The included driver adds the following specialized functionality to the Sound control panel:

• Internal speaker volume
• Audio output jack volume
• Internal microphone level
• Audio input level
• External audio input selection between line and microphone sensitivity

These settings are sent to and from the monitor's microcontroller

Microcontroller

A microcontroller is a small computer on a single integrated circuit containing a processor core, memory, and programmable input/output peripherals. Program memory in the form of NOR flash or OTP ROM is also often included on chip, as well as a typically small amount of RAM...

through ADB. Power Macintosh, Performa and Workgroup Server models 61xx, 71xx and 81xx all have the special HDI-45 port built-in. All other models require a special adapter to connect audio, video, and ADB separately to this monitor.

The video input port present on the right side of the monitor was not supported by Apple. It shipped with a rubber plug in this port as seen in the image to the right.