In Audio Setup mode, whichever input is selected for adjustment is automatically tied to output 1. You can connect a VU meter or an audio system to output 1 to measure or monitor the audio while you perform adjustments.

There are two ways to measure the audio level during audio setup:

•Monitor the input audio level indicator (Power LED) on the front panel.

•Connect a VU meter to output 1 and, if necessary, temporarily set the output 1 level to the consumer (-10 dBV) level (see the Audio output level SIS commands in chapter 4, Remote Operation).

The input audio gain or attenuation can be adjusted from the front panel or by using Extron’s Windows-based control program or the SIS.

1.

Apply audio signals to all inputs to be adjusted.

2.

Press and hold the Audio Setup (I/O) button until the Audio Setup LED

 

lights. Release the Audio Setup button.

3.

Press and release an input button to select an input. The selected input can be

 

adjusted and is tied to output 1 for measurement or monitoring.

a. The Output 1 through Output 3 LEDs display the approximate audio gain or attenuation for the selected input. The +dB and –dB LEDs display the polarity (+ [gain] or – [attenuation]).

•Each Output 1 through Output 3 LED indicates a range of 6 dB when lit:

°Output 1 LED off = 0 dB to 5 dB

°Output 1 LED lit = 6 dB to 11 dB

°Output 1 and 2 LED lit = 12 dB to 17 dB

°Output 1 through Output 3 LEDs lit = 18 dB

•The +dB LED on indicates a positive (gain) level. The –dB LED on indicates a negative (attenuation) level. Both LEDs on indicate 0 dB.

By noting these LEDs’ displays and counting the number of 1 dB steps you increase or decrease the audio level (step 4 and example 8, step 2a), you can determine the exact input gain or attenuation setting.

b. The Power LED blinks to indicate the adjusted audio level (compared to the internal level, -10 dBV):

•When the LED is lit most of the time, blinking off only occasionally, the level is too high.

•When the LED is off most of the time, blinking on (lit) only occasionally, the level is too low.

•When the LED blinks frequently, the level is in the proper range.

c. The LED lights steadily when the adjustment is at the minimum level (maximum attenuation, -18 dB). The LED lights steadily when the adjustment is at the maximum gain (+10 dB).

4. Press and release the

and

buttons to increase and decrease the audio

level by 1 dB or press and hold the buttons to increase or decrease the level by

3 dB per second. The

or

LEDs flash to indicate each 1 dB level change.

Each time you press the or button, wait for the or LED to flash before pushing the button again. Pressing the button too rapidly may not increment or decrement the audio level.

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-19

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Extron electronic MVX 84, MVX 88, MVX 48 manual MVX 44 / 48 / 84 / 88 VGA Matrix Switchers Operation
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MVX 48, MVX 84, MVX 44, MVX 88 specifications

Extron Electronics is a prominent leader in high-quality AV technology solutions, renowned for its innovative product lines designed to address diverse connectivity and distribution needs. Among their array of offerings, the MVX series stands out, particularly the MVX 44, MVX 84, and MVX 88 models, which cater to various AV signal routing needs within educational institutions, corporate environments, and large spaces.

The Extron MVX 44 is a 4x4 matrix switcher designed for routing HDMI, VGA, and audio signals. One of its key features is its ability to deliver high-resolution video up to 1080p, making it ideal for modern multimedia presentations. The MVX 44 supports EDID management, ensures compatibility with a range of source devices, and features automatic switching capabilities. It also includes a user-friendly interface for seamless operation, allowing simultaneous switching of multiple input sources to multiple outputs.

Expanding on the capabilities of the MVX 44, the MVX 84 and MVX 88 models provide enhanced functionality with additional inputs and outputs. The MVX 84 offers support for up to 8 input sources and 4 output destinations, while the MVX 88 offers 8x8 routing of signals. Both models maintain superior video quality and high-performance signal processing, accommodating more extensive AV systems. They also share features such as HDCP compliance to secure content protection, ensuring that the highest quality video signals are transmitted without degradation.

Technologically advanced, these switchers incorporate Extron's exclusive technologies, such as the Advanced Color Processing for superior color fidelity and signal reliability. Additionally, the Series comes equipped with optional control and integration capabilities, enabling connection to various AV control systems for centralized management.

The Extron MVX series matrices are built with the robustness expected from Extron products, ensuring long-term reliability in demanding environments. The integration of state-of-the-art support for audio signals allows not only video but also audio distribution, making them versatile for any AV setup. In summary, with their rich feature set, impressive scalability, and superior video processing capabilities, the Extron MVX 44, MVX 84, and MVX 88 present compelling solutions for anyone looking to streamline AV signal management in professional setups.
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