Your AppleVision monitor appears as a VGA monitor in the Control Strip pop-up menus.

mMake sure the ADB connector on the monitor cable is plugged directly into your computer’s ADB port.

mReinstall the AppleVision software that came with your computer. See Chapter 2, “Installing and Using AppleVision Software,” for more information.

You hear no alert sound.

mMake sure the alert volume control is set correctly. Click the Alerts button in the Monitors & Sound control panel and reset the System Alert Volume.

Changes in the Monitors & Sound control panel don’t work for the monitor.

mMake sure you have installed the AppleVision software that came with your monitor.

mBecause each monitor connected to your computer has its own Monitors & Sound window, use the window that displays the name of your AppleVision monitor in the top-left corner.

When you open the Monitors & Sound control panel, only one resolution is available.

mMake sure you have connected the ADB connector to your computer. You cannot use many of the features of the AppleVision software without an ADB connection. See “Connecting the Monitor Cable to a Mac OS–Based Computer” in Chapter 1 for more information.

mIf AppleVision software is installed and you start up your computer holding down the Shift key, the Display Enabler extension will not load and the software will not run. Restart your computer without disabling extensions to use the AppleVision software.

mReinstall the AppleVision software that came with your computer. See Chapter 2, “Installing and Using AppleVision Software,” for more information.

When you turn on overscan, it stays on even when you change resolutions.

mThis is a new feature of the AppleVision 850 and 850AV. In other AppleVision monitors, overscan will automatically turn off when you change resolution settings.

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Apple 850AV manual You hear no alert sound

850AV specifications

The Apple 850AV, introduced in the early 1990s, was part of Apple's pioneering line of personal computers that showcased advanced multimedia capabilities. The 850AV served as a significant milestone in the evolution of desktop computing, emphasizing audio and video processing in an era when such features were still in their infancy.

At the heart of the Apple 850AV was its robust Apple Macintosh architecture. It was powered by a Motorola 68040 CPU, which offered enhanced performance compared to its predecessors. With a clock speed of 25 MHz, this processor enabled users to run complex applications and manage multitasking more effectively. The system came equipped with a standard RAM configuration of 4 MB, expandable to 68 MB, allowing for smoother operation of demanding software.

One of the hallmark features of the 850AV was its built-in audio capabilities, which included stereo sound output and the ability to handle digitized audio. The system came with a high-quality microphone and a CD-ROM drive, which opened up new possibilities for multimedia applications, education, and entertainment. Users could engage with educational software, listen to CDs, and even create digital audio projects—all from the comfort of their desktop.

Additionally, the Apple 850AV supported video input and output, making it one of the first computers capable of video conferencing. This functionality was facilitated by the inclusion of a video camera interface, allowing users to connect external cameras and partake in video calls and recordings. The system’s graphics capabilities were also noteworthy, supporting an impressive display resolution that enhanced the visual experience for applications and games.

The machine was built around a sleek design, showcasing Apple’s commitment to aesthetics and usability. It featured integrated speakers, a keyboard, and a mouse, all designed to create a seamless user experience. The inclusion of various ports, including USB and SCSI, allowed for connectivity with numerous peripherals, expanding the system’s versatility.

Overall, the Apple 850AV was not just a personal computer; it was a multimedia powerhouse that laid the groundwork for future innovations in computing. Its forward-thinking design and capabilities reflected Apple's dedication to enhancing user experiences and pushing the boundaries of what personal computers could achieve in the realms of audio and video.