Extron electronic MLS 304SA, MLS 304MA, MLS 406SA, MLS 406MA Follow the on-screen instructions

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4.From the File pulldown menu in the upper-left corner, select Update Firmware.

The MediaLink Control Software closes, and a separate utility program opens and displays a window indicating the current firmware version.

5.Click Upload Firmware file. You are prompted to select the firmware file that you downloaded in step 1. Click OK.

6.When the browser window opens, locate and select the firmware file, then click Open to upload the firmware into the MLS.

NThe firmware update file must have a filename extension of .s19. If the file does not have that extension, it will not work properly.

7.Follow the on-screen instructions.

PRELIMINARY

MLS 304 Series, MLS 406Series • Serial Communication 4-13

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Contents MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, MLS 406SA MediaLink SwitchersSicherheitsanleitungen Deutsch PrecautionsSafety Instructions English Consignes de Sécurité FrançaisQuick Start MLS 304MA, MLS 406, MLS 406MA InstallationVideo Configuration Table of Contents Table of Contents, cont’d One About the MLS 304 Series and the MLS 406 Series FeaturesIntroduction About this ManualTwo MLS 304 Series, MLS 406 Series Installation InstallationUL/Safety Requirements Important Safety InstructionsRack mounting Mounting the SwitcherTabletop use Rear Panels and Cabling Power, input, and control connectionsPower connection MLS 304 Series, MLS 406 Series InstallationBalanced Mono Input Input Type Signal BNC Color MLS 304 Series, MLS 406 Series Installation Installation, cont’dControl connection IR Link IR signal repeaterThat has an external power supply Audio outputs Video output, local monitor, and audio output connectionsVideo outputs Unbalanced Mono Output Balanced Mono Output Ohm Total Load Wiring for 4 ohm or 8 ohm speakers MA modelsSpeakers Tapped at 7.5 Watts Each Equals 15 Watts Total Stereo Output Wiring for 4 ohm or 8 ohm speakers SA modelsExamples of speaker layouts Speaker arrangement examplesExtron Application DiagramsMLC Projector MLCThree Minimum threshold at least 21% Operation and SetupFront Panel Features and Operation MLS 304 Series, MLS 406 Series Operation and SetupFront panel security lockout executive modes MLS 304 Series, MLS 406 Series Operation and SetupMLS 304 Series, MLS 406 Series Operation and Setup Setting Up and Optimizing the AudioResetting the switcher Adjusting audio input levels Configuring Lineout and Preamp output levelsNormal range Making adjustmentsSignal detection threshold Clipping levelRGB follow mode mode Video Signal RoutingStandard mode mode DA distribution amplifier mode modeMode Remote ControlMode Selected input Input special conditions Monitor Output If the image does not appear or there is no sound TroubleshootingIf the switcher does not respond to controls Preliminary Four Host-to-MLS communications Serial CommunicationRS-232 Programmer’s Guide MLS 304 Series, MLS 406Series Serial Communication Using the command/response tablesSymbol definitions Command Ascii Command Response Additional description Command/response table for SIS commandsAux/Mix input Audio status for the active inputFirmware version, part number & information requests Command Ascii Command Response ? values Command/response table for special function SIS commandsControl Software for Windows Installing the softwareUsing the control program Special features User Mode ScreenSwitcher MLS Config Screen Preliminary Updating firmware Saving and restoring configurationsFile menu options Follow the on-screen instructions File name Description Using the help programKey to file names AAppendix a Video input and loop-through SpecificationsReference Material VideoMLS 304 Series, MLS 406 Series Reference Material A- SyncAudio Included parts Audio output mono power amp MLS 304MA, MLS 406MA onlyAudio input Audio output Lineout and PreampGeneral Audio output stereo power amp MLS 304SA, MLS 406SA onlyControl/remote switcher Accessory Part number Part Numbers and AccessoriesOptional accessories Included parts Replacement Part numberAudio Reference Levels Frequency Response Graph for the Loudness FeatureMLS 304MA audio block diagram Audio Block DiagramsUtinpse LE CT MLS 304SA audio block diagramInputs MLS 406, MLS 406MA audio block diagramMLS 304 Series, MLS 406 Series Reference Material A-11 MLS 406SA audio block diagramThis page was deliberately left blank FCC Class a Notice Extron’s Warranty Extron Electronics, USA

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