Example 11: Viewing and adjusting an output volume level

In the following example, the audio output volume is viewed and adjusted. The steps show the front panel indications that result from your actions. See the table on page 45 to read the volume display.

1.Clear all selections: Press and release the Esc button. The button flashes once.

2.Enter Audio mode: Simultaneously press and hold the Audio button.

Press and hold the Audio button.

I/O

2 seconds

AUDIO

AUDIO

 

The LED blinks to indicate Audio mode.

 

Release the button.

3.Select an output: Press and release the output 1 button.

Press and release the Computer Output 1 button. The LED lights.

The input LEDs, independent of video group, display the selected output's audio volume level.

In this example, the lit input buttons indicate 41.5 to 46.0 percent of the applied audio input. The unlit input buttons indicate an audio volume attenuation of 36 dB to 39 dB.

39 dB attenuation,

41.5% volume

COMPUTER INPUTS

1

2

3

4

5

6

7

8

13

14

S

1 2

NOTE: Volume is protected when front panel Lock mode 2 is selected. You can view the volume in Lock mode 2 but you cannot change it from the front

panel (see “Setting the Front Panel Locks (Executive Modes)” on

page 47).

If front panel Lock mode 2 is selected and you try to perform step 4, the actions are ignored and the Enter, Video, and Audio buttons flash.

4.Adjust the volume: Press and release the Esc (>) button once (see figure 18 on the next page) to increase the volume by 1.5%.

Press and release the Esc (>) button several more times to increase the volume by 1.5% per push of the button. Note the input LED indication changes that occur each time the Esc (>) button is pressed and released.

NOTE: You can press and hold the Esc (>) or View (<) button to ramp the level up or down by 3 dB per second to the high or low limit.

Figure 18 show the result of pressing the Esc (>) button a total of 13 times.

MPX 866 A Media Presentation Matrix Switcher • Operation 46

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Extron electronic MPX 866 A manual Example 11 Viewing and adjusting an output volume level

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.