Extron electronic MLS 100 A, MLS 103 V Setup via the MediaLink Control/Configuration Software

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Installation, cont’d

HyperTerminal, a third party controller, or the MediaLink Control/Configuration Software). The gain and attenuation for the Aux/Mix input are adjustable only via the switcher’s front panel. (See page 3-3 for Aux/Mix details.)

Setup via the MediaLinkControl/Configuration Software

To avoid damage to your hearing, the output volume should be set as low as possible before you test the sound system.

1.Cable and power on all the equipment.

2.Start the MediaLink Control Software (see page 4-7), and select the Switcher (MLS) Config portion of the program (the second tab from the left).

3.Select an audio input. See the picture below for an example.

4.Use the following table to determine the gain or attenuation. Match the desired level for balanced output or for unbalanced output, depending on how the output connector is wired.

Gain and Attenuation Settings for MLS 100 Series Switchers

 

 

 

 

Desired Output Levels

 

 

 

 

 

Balanced

 

 

Unbalanced

 

 

 

+4 dBu

0 dBu

-10 dBV

-20 dBV

+4 dBu

0 dBu

-10 dBV

-20 dBV

 

 

 

 

(-8 dBu)

(-18 dBu)

 

 

(-8 dBu)

(-18 dBu)

SourceInput Levels

+4 dBu

0 dB

-4 dB

-12 dB

-22 dB

+6 dB

+2 dB

-6 dB

-16 dB

 

 

 

 

 

 

 

 

 

0 dBu

+4 dB

0 dB

-8 dB

-18 dB

+10 dB

+6 dB

-2 dB

-12 dB

 

 

 

 

 

 

 

 

 

 

 

 

-10 dBV

+12 dB

+8 dB

0 dB

-10 dB

+18 dB

+14 dB

+6 dB

-4 dB

 

(-8 dBu)

 

 

 

 

 

 

 

 

 

 

-20 dBV

+22 dB

+18 dB

10 dB

0 dB

n.a.

+24 dB

+16 dB

+6 dB

 

(-18 dBu)

 

 

 

 

 

 

 

 

 

If you wire an audio output for balanced output, the MLS outputs a unity signal (input level = output level). If you wire an audio output for unbalanced output, it causes the audio signal to be attenuated by 6 dB (gain = -6 dB).

For dBV the reference is 1 volt.

For dBu the reference is 0.775 volts.

5.In the control program, move the Audio Input Level slider to select the gain/attenuation for that input, as shown at left.

6.Repeat steps 3–5 for the other three inputs.

7.Test the system by listening to audio output for each input. Start by setting the audio output to the lowest level.

7a. If the audio output is too loud or is clipping (becoming distorted as the loudest parts are cut off), decrease the gain for that input.

7b. If the output is too soft or inaudible, increase the gain.

Input gain and attenuation for audio inputs 1 through 4 is adjustable via RS-232 control only (using SIS commands or the MediaLink Control/ Configuration Software.)

The Aux/Mix input level can be adjusted via the front panel Aux/Mix Level control only. Aux/Mix level can not be adjusted via RS-232 (SIS commands, configuration software, or an MLC MediaLink Controller). The Aux/Mix level is independent of the input and volume controls for the four switchable inputs.

Volume for the four switchable inputs is not adjustable via the front panel. It can be adjusted only via RS-232 (including via an MLC).

Wait at least ten (10) seconds between making a change (input selection or audio adjustment) and disconnecting power from the MLS. The switcher needs several seconds to store and save the new settings in its memory.

2-10 MediaLinkVersaTools© Switchers • Installation

MediaLinkVersaTools© Switchers • Installation 2-11

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Contents User’s Manual MediaLink VersaTools SwitchersFCC Class a Notice PrecautionsExtron’s Warranty Attach the cables. See the instructions beginning on Quick Start Guide MLS 100 SeriesTable of Contents Introduction MediaLink VersaTools SwitchersTable of Contents, cont’d OneIntroduction InstallationTwo Tabletop use InstallationUL/Safety Requirements Mounting the SwitchersVideo connections Installation, cont’dRear Panel Features and Cabling Furniture or projector mountingAux/Mix Mono audio input all models Audio connectionsFor Various Equipment Types Setting Up Optimal Audio GainControl and power connections Typical Audio LevelsGain and Attenuation Settings for MLS 100 Series Switchers Setup via the MediaLink Control/Configuration SoftwareOperation Installation, cont’d Application DiagramsThree Operation Front Panel Features and OperationExecutive mode enabling and disabling front panel buttons MediaLink VersaTools Switchers Operation Operation, cont’d TroubleshootingOperation, cont’d 4ChapterSerial Communication Host-to-MLS communications MLC/RS-232 Power port pin assignmentsSerial Communication RS-232 Programmer’s GuideSerial Communication, cont’d Command/response table for SIS commandsUsing the control/configuration program Control/Configuration Software for WindowsCommand/response table for special function SIS commands Installing the softwareFor MLS 100 Series switchers controlled by an MLC User ModeFor stand-alone MLS 100 Series Switchers Special featuresSwitcher MLS Config Saving and restoring configurationsEmulation mode Updating firmware Emulation Configuration dialog box appearsKey to file names Using the help programAAppendix a Specifications, Part Numbers AccessoriesSpecifications Specifications, Part Numbers, and AccessoriesAudio output Specifications, Part Numbers, Accessories, cont’dControl/remote switcher MediaLink VersaTools Specifications, s, AccessoriesPlenum CTL Comm-link cable Part number AccessoriesCables AdaptersInputs Switchable
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MLS 100 A, MLS 103 SV, MLS 102 VGA, MLS 103 V specifications

Extron Electronics is renowned for its innovative and high-quality AV solutions, and the MLS series, including the MLS 102 VGA, MLS 100 A, MLS 103 SV, and MLS 103 V, exemplifies the company's commitment to excellence in audio-visual integration. These MediaLink Switchers are designed to simplify the management of multiple audio and video sources in classrooms and conference rooms, providing seamless integration and user-friendly operation.

The MLS 102 VGA model focuses on VGA signals, making it a reliable choice for installations that primarily use legacy video sources. It features a simple interface with push-button controls, enabling users to easily switch between two video sources with a single VGA output. This model is ideal for educational environments where older laptops and PCs are still in use.

The MLS 100 A model adds audio capabilities to the mix, offering audio switching along with video. This switcher supports stereo audio signals, allowing educators to present multimedia content effectively. The MLS 100 A simplifies the setup for instructors, enabling them to connect different media sources without complicated wiring or extensive technical knowledge.

The MLS 103 SV and MLS 103 V models elevate functionality with their multi-format switching capabilities. The MLS 103 SV supports both VGA video and stereo audio, while the MLS 103 V is solely focused on video. Both models provide a more comprehensive solution for modern AV requirements. The MLS 103 series employs advanced signal processing technology, ensuring high performance across multiple resolutions and formats.

Additionally, the MLS 103 series incorporates features such as EDID management, which automatically configures the video output to ensure compatibility with a variety of display devices. This eliminates the need for users to worry about the technicalities, enabling a smooth, hassle-free experience.

Scalability is another key characteristic of the MLS series. These devices can be seamlessly integrated with other Extron products, allowing for an expandable AV infrastructure that meets the growing demands of technology in educational and corporate environments.

Durable construction, easy installation, and operation make the MLS series a preferred choice among AV professionals. Whether for a small meeting room or a large lecture hall, Extron's MLS 102 VGA, MLS 100 A, MLS 103 SV, and MLS 103 V models deliver flexibility, reliability, and superior performance, enhancing any audio-visual presentation.