Extron electronic MVX 44, MVX 88 +2 dB, Lit +dB or -dB LED indicates the gain + or attenuation

Page 37

a. If one or more output LEDs are lit AND the +dB LED is lit, press and release the button repeatedly until the highest-numbered lit output LED goes out. Count the button presses. In example 8, assume a value of +8 dB. It will take three presses of the button for the Output 1 LED to go out.

If one or more output LEDs are lit AND the –dB LED is lit, press and release the button repeatedly until the highest-numbered lit output LED goes out. Count the button presses.

If the +dB LED is lit and NO output LEDs are lit, press and release the button repeatedly until the +dB and –dB LED are both lit, indicating 0 dB. Count the button presses.

If the –dB LED is lit and NO output LEDs are lit, press and release the button repeatedly until the +dB and –dB LED are both lit, indicating 0 dB. Count the button presses.

b. Return to the original audio gain setting by pressing and releasing the or button (the opposite of the button you pressed in step a) the same number of steps you pressed the opposite arrow button in step 1. In example 8, this means pressing the button three times.

c. Add the dB value indicated by the highest-numbered lit output LED (no output LEDs lit and both dB LEDs lit = 0 dB) and either of the following:

•The number of button presses from 0 dB, or

•The number of button presses from when the highest-numbered output LED lit. In example 8:

Output 1 LED:

6 dB

+ 2 presses:

+2 dB

 

8 dB

d. The lit +dB or –dB LED indicates the gain (+) or attenuation (–).

3.

Press and release the

button once to decrease the audio level (figure 3-33).

 

The

LED flashes each time the button is pressed

Press and release the button several more times to continue to decrease the audio level (figure 3-33). Note the output LED, +dB LED, and –dB LED changes that occur each time the button is pressed and released.

Figure 3-33 shows the result of pressing the button a total of 9 times to change the value to -1 dB. Note that the +dB LED has turned off and that the –dB LED is on to indicate a negative level.

 

 

 

 

 

10

6

3

0

3

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

VU

 

 

Press the

button to

 

 

 

 

 

 

 

 

decrease the input audio level

 

 

 

A VU meter connected

by 1 dB per button push.

 

OUTPUTS

 

to output 1 indicates

 

 

 

 

that the adjusted level

 

1

2

3

4

 

is approximately the

 

 

 

 

+dB

 

 

 

 

same as the –10 dBV

 

 

 

 

- dB

 

 

 

 

 

internal level.

 

The -dB LED

The Output 1, Output 2, and Output 3

indicates a negative

LEDs display the input's audio level range.

(attenuation) level.

In this example, the LEDs indicate audio attenuation in the –1 dB to –5 dB range.

= lit, = unlit, = flickering LED

The power LED blinks frequently to indicate that the adjusted level is properly set.

Figure 3-33 — Adjust the input audio level

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-21

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Contents MVX 44 / 48 / 84 / 88 Series VGA Matrix SwitchersConsignes de Sécurité Français Safety Instructions EnglishSicherheitsanleitungen Deutsch Instrucciones de seguridad EspañolConnect up to 4 or 8 high MVX 44 / 48 / 84 / 88 VGA Matrix Switchers Quick Start QS-1If desired, connect Control system orQuick Start MVX Series VGA Matrix Switchers, cont’d Table of Contents Table of Contents, cont’d One MVX 44 / 48 / 84 / 88 VGA Matrix Switchers Introduction About the SwitchersIntroductiontroduction, cont’d Any input to any or all outputs FeaturesIntroduction, cont’d Two Mounting the Switcher Installationstallation, cont’dRack mounting the switcher Furniture mounting the switcherCabling and Rear Panel Views Side of the furniture, where the switcher will be locatedVideo and audio input connections Fasten it in placeVideo and audio output connections Installation, cont’dRemote connection Power connectionInstallation, cont’d Three MVX 44 / 48 / 84 / 88 VGA Matrix Switchers Operation Front Panel Controls and IndicatorsOperationeration, cont’d DefinitionsInput and output selection controls and indicators Power/audio/data LED and infrared sensorPower/data/audio LED Audio Setup button Selection and audio/video controls and indicatorsOperation, cont’d Control buttons and LEDsOn 4-output switchers, this button and LED stand alone Operations Powering up the switcherCreating a set of ties Select video and audio for the tie figure Example 1 Create a set of video and audio tiesPress and release the Input 5 button figure Press and release the Enter button figure Select the outputsSelect video only for the tie figure Example 2 Add a video tie to a set of video and audio tiesPress and release the Output 1 button figure Select audio only for the tie figure Example 3 Remove a tie from a set of ties15 Deselect the output Press and release the Output 4 button figureAudio breakaway Viewing the configurationOut Example 4 View ties by selecting an inputPress and release the I/O button figure 19 Select an inputPress and release the Output 3 button figure Example 5 View ties by selecting outputs24 Deselect audio to view video ties only Example 6 Save a preset Using presetsPreset 2 Preset Example 7 Recall a presetPress and release the Input 1 button figure Adjusting input audio gain and attenuationMVX 44 / 48 / 84 / 88 VGA Matrix Switchers Operation = unlit, = blinking LED Example 8 Adjust the input audio gainLit +dB or -dB LED indicates the gain + or attenuation +2 dBResetting audio gain single input 34 Exit Audio Setup modeSetting the output audio level Resetting audio gain all inputsPress and release the and buttons simultaneously figure Clearing all ties and presets Front panel security lockout Executive modeMemory Resetting the system to factory defaultsAudio signal TroubleshootingOptimizing the Audio Worksheet example 1 System equipment WorksheetsPodium monitor Conf. room Sound VCR system USP 44 Worksheet example 2 Daily configuration Worksheet example 2 Daily configuration45 Worksheet example 3 Test configuration Worksheet example 3 Test configurationOperation, cont’d Output destinations Configuration worksheetOperation, cont’d Four MVX 44 / 48 / 84 / 88 VGA Matrix Switchers Remote Operation Host-to-Switcher instructionsRemoteOperation,cont’d Simple Instruction Set ControlSwitcher-initiated messages Using the command/response table Switcher error responsesSymbol definitions Remote Operation, cont’dCommand Ascii Command Response Additional description Command/response table for SIS commandsCommand/response table for SIS commands cont’d Global presets View ties, gain, mutes, and presets Settings Ascii Setup Loading firmware using an SIS commandClick File Properties Depress the keyboard’s EscFile figure Click the Files of type drop box and select All filesInstalling the software Matrix Switchers Control ProgramUsing the software OverviewExtron Matrix Switchers Control Program window blank Sample program window complete Open window Updating the firmwareMVX 44 / 48 / 84 / 88 VGA Matrix Switchers Remote Operation Windows menus Windows buttons, drop boxes, and trashFile menu Tools menu 11 RGB Delay/Mute/Output-Volume Adjust window13 Ties shown as lines 14 Ties shown as crosspoints 15 Emulation mode configuration Using Emulation modeUsing the help system Remote Operation, cont’d AAppendix a Specifications SpecificationsandandPartPartNumbers,Numberscont’dSync Audio output Specifications and Part Numbers, cont’dOptional accessories MVX Series VGA switchersPart Numbers Included partsCable assemblies Part Install kits PartVGA to BNC cable assemblies Part Audio cable assemblies PartAsia Japan FCC Class a Notice Extron’s WarrantyExtron Electronics, USA
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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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