Reading the displayed volume

NThis section is a detailed look at reading the output volume display on the switcher’s front panel. If you do not need to read the exact value of the volume setting, skip this section.

There is a maximum of 76 dB of volume attenuation available. The attenuation is adjustable in steps of 0.5 dB, except for the first step from full attenuation, which is 34.5 dB.

•At maximum attenuation, no input buttons are lit, 76 dB of attenuation is applied, and the audio output is effectively muted.

•At no attenuation, all input buttons are lit and the output volume is equal to the input signal plus any gain or attenuation that is applied to that specific input using the input audio level adjustment. See “Viewing and adjusting the input audio level (systems with audio BMEs)”.

The input buttons blink or light sequentially to indicate the approximate volume of the selected output. Volume is defined as a percentage of the input audio signal that is applied to the output. From 0% of volume, the first Esc (>) button push applies 4.75% of the input audio signal and the Input 1 button flashes. From 4.75% on, each Esc (>) button push applies 0.75% more of the input audio signal to the output and the number of output buttons flashing or lit increases:

•Push Esc (>) button — 4.75% + 0.75% = 5.5% volume, indicated by the Input 1 button lit steadily.

•Push Esc (>) button three more times — 5.5% + 0.75% + 0.75% + 0.75% = 7.75% volume, indicated by the Input 1 and Input 2 buttons lit steadily and the Input 3 button flashing.

•Push Esc (>) button nineteen more times — 7.75% + (19x0.75%) = 22% volume, indicated by the Input 1 through Input 12 buttons lit steadily.

When all input buttons are lit, the audio output is 100% of the audio input level.

Another way to view the volume level is to think in terms of the attenuation that is applied to the output. Attenuation is indicated by the lit or blinking input buttons: when fewer input buttons are lit, attenuation is greater (and the volume is quieter).

•At minimum volume, all input buttons are unlit or background illuminated and 76 dB of attenuation is applied to the output. The audio output is effectively muted.

•The first step of volume increase causes the Input 1 button to flash. Attenuation is reduced by 34.5 dB (63.5 dB of attenuation is applied to the output).

•The second step of volume increase reduces the attenuation by an additional 0.5 dB (62.5 dB of attenuation is applied to the output). (The Input 1 button lights steadily.)

•Successive steps of volume increase cause consecutive buttons to flash and then light. Each consecutive lit button indicates a full 1 dB of attenuation reduction.

•The buttons’ volume indications are additive. For example: Input 1 lit

([34.5 dB + 0.5 dB] of attenuation reduction) and Input 2 lit ([0.5 dB + 0.5 dB] of attenuation reduction) indicate that the output attenuation has been reduced by a total of 36 dB: (34.5 dB + 0.5 dB + 0.5 dB +0.5 dB = 36 dB).

•At full volume, no attenuation is applied to the output and all input buttons are lit steadily.

See the table on the next page to read the volume display for each display scheme.

CrossPoint 450 Plus and MAV Plus Switchers • Operation 3-39

MAV Plus Series specifications

Extron Electronics is a leading manufacturer of professional AV system integration solutions. Among its wide range of products, the MAV Plus Series and Ultra Series stand out for their advanced features and innovative technologies, catering to the needs of audio-visual professionals in various environments.

The MAV Plus Series, designed for efficient and flexible audio routing, provides reliable performance in various applications. It is characterized by its high-quality audio signal processing capabilities, which are essential for delivering clear and precise sound. One of the notable features of this series is the built-in audio mixing, allowing users to easily combine multiple audio sources. The MAV Plus Series supports both analog and digital audio formats, ensuring compatibility with a wide range of equipment.

Incorporating Extron's advanced technology, the MAV Plus Series features signal management tools that include automatic mixing, feedback suppression, and equalization. These tools not only enhance sound quality but also simplify the user experience, enabling quick adjustments in dynamic environments such as conference rooms, classrooms, and live events.

On the other hand, the Ultra Series is designed for users seeking high-performance audio routing and control in more demanding applications. This series is known for its robust construction and scalability, allowing for expansion as the needs of the organization grow. The Ultra Series offers an extensive range of inputs and outputs, including HDMI, which supports high-definition audio and video signals.

Ultra Series products are equipped with Extron's proprietary technologies like EDID Minder and Key Digital™, which ensure seamless compatibility and signal integrity between various devices. Additionally, the Ultra Series utilizes Ethernet control for centralized management, providing users with real-time monitoring and the ability to make adjustments remotely.

Both the MAV Plus and Ultra Series reflect Extron Electronics commitment to innovation and quality in the audio-visual space. They include user-friendly interfaces, making setup and operation straightforward even for those with limited technical expertise. With their comprehensive features, both series cater to professional AV installations, offering solutions that meet the needs of diverse applications across education, corporate, and entertainment sectors.

Investing in Extron’s MAV Plus and Ultra Series guarantees high-quality performance, adaptability, and long-term reliability, making them indispensable tools for audio-visual integration professionals.

Extron electronic MAV Plus Series manual Reading the displayed volume

Models: MAV Plus Series