GView (<) button and LED — The View (<) button and LED have one primary function (❏) and four secondary (•) functions:

❏Selects View-Onlymode, which displays the current configuration, and indicates its selection.

NOTE: View-onlymode also provides a way to mute and unmute the outputs

(see “Muting and Unmuting Video and Audio Outputs” on

page 34.

•Decrease the audio level of the selected input in Audio mode.

•Decrease the volume of the selected output in Audio mode.

•With the Enter, Preset, and Esc buttons, select Serial Port Configuration mode.

•Select 38400 baud for the RS-232 Primary port in Serial Port Configuration mode and indicate its selection.

HEsc (>) button and LED — The Esc (>) button and LED have one primary function (❏) and four secondary (•) functions:

❏Cancels operations or selections in progress and resets the front panel LEDs and flashes once to indicate that the escape function has been activated.

NOTE: The Esc (>) button does not reset the current configuration, the Video

button and Audio button selection, any presets, or any audio gain, attenuation, or volume settings.

•Increase the audio level of the selected input in Audio mode.

•Increase the volume of the selected output in Audio mode.

•With the Enter, Preset, and View buttons, select Serial Port Configuration mode.

•Select 115200 baud for the RS-232 Primary port in Serial Port Configuration mode and indicate its selection.

MPX 866 A Media Presentation Matrix Switcher • Operation 20

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Extron electronic MPX 866 A manual See Muting and Unmuting Video and Audio Outputs on
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MPX 866 A specifications

The Extron MPX 866 A is a powerful multimedia presentation switcher known for its robust functionality and advanced features, ideal for a range of professional environments, particularly in education, corporate, and broadcasting sectors. This device is designed to facilitate seamless switching between multiple audio and video sources, ensuring a smooth and professional presentation experience.

One of the standout features of the MPX 866 A is its ability to handle a variety of input formats, including HDMI, DisplayPort, and analog video signals. This versatility allows users to easily connect different devices, such as laptops, projectors, and video conferencing systems, without the need for additional adapters or converters. The unit supports resolutions up to 4K at 60 Hz, making it suitable for high-definition content display.

The switcher is equipped with Extron’s unique Seamless Switching technology, which provides instantaneous switching between sources without noticeable delays or interruptions. This is particularly beneficial in fast-paced environments where timing is crucial, such as live events or presentations.

Another significant aspect of the MPX 866 A is its advanced audio handling capabilities. It includes integrated audio embedding and de-embedding, allowing users to manage audio signals effectively without compromising quality. The built-in audio delay feature ensures synchronization between audio and video, an essential consideration for professional settings.

For ease of operation, the MPX 866 A offers customizable control options. Users can manage the device through various interfaces, including Extron's user-friendly GUI, third-party control systems, and RS-232 commands. This flexibility makes it easier to integrate the switcher into existing AV setups.

Additionally, the unit incorporates powerful scaling technology, which optimizes image quality by adjusting the resolution of the incoming video signals to match the display capabilities of the output device. This ensures that content appears crisp and clear, regardless of the source resolution.

The MPX 866 A is also designed with reliability in mind, featuring robust construction and a fanless design for silent operation. This makes it suitable for environments where noise reduction is critical.

Overall, the Extron MPX 866 A stands out as a versatile, feature-rich multimedia switcher that enhances the presentation experience. Its advanced technologies and characteristics make it an excellent choice for professionals looking to elevate their audio-visual communication.
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