Muting and Unmuting Video and Audio Outputs

NOTE: Mutes are protected when front panel Lock mode 2 is selected. You can view the mute status in Lock mode 2 but you cannot adjust it from the front panel

(see “Setting the Front Panel Locks (Executive Modes)” on page 47).

Individual video and outputs can be muted or unmuted as follows:

1.Press the Esc button to clear any input LEDs, output LEDs, or control LEDs that may be lit.

2.Press and release the View button.

3.Select video or audio to mute or unmute by pressing the Video button and the Audio button.

4.One at a time, press and hold the output buttons for the desired outputs for approximately 2 seconds. The output LEDs for the selected outputs blink to indicate the mute or return to their previous state to indicate the unmute.

5.Press and release the View button to return to normal switcher operation.

NOTES: • You can mute video-only or audio-only outputs only in a single operation.

• Video and audio can both can be muted, but in separate operations; one and then the other.

• Pressing and releasing the Video button and the Audio button toggles each selection on and off.

• If you select Video and Audio in View-Only mode and then attempt to mute an output, the mute function will not work.

• When you enter View-Only mode, the output LEDs turn on for all outputs without ties.

• In the computer video group, the video mute function mutes the R, G, and B planes only; the sync (H and V planes) are still active.

• In the low resolution video group, the video mute function mutes all composite video or S-video planes.

• Mutes are saved to non-volatile memory. When power is removed and restored, the mute settings are retained.

MPX 866 A Media Presentation Matrix Switcher • Operation 34

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