Extron electronic MLS 304MA, MLS 304SA File menu options, Saving and restoring configurations

Page 46

PRELIMINARY

Serial Communication, cont’d

File menu options

Saving and restoring configurations

The MLS can be configured by various means (front panel adjustments, downloading settings, or combinations of those methods); and the configuration settings can be saved to a file for later use.

1.In the MediaLink Control Program, select File, then select Save Configuration as... .

2.Save the file as (filename).MLK. An unlimited number of configuration files can be saved as long as each file has a unique file name ending in .MLK.

3.To retrieve the configuration from within the MediaLink Control Program, select File, then select Restore Configuration from... .

Follow the on-screen directions. A set of all the switcher and audio adjustment settings is downloaded into the MLS.

Updating firmware

If the need arises, you can replace the MLS’s firmware without opening the unit or changing firmware chips. Follow the directions below.

This procedure must be performed using a PC on which the MediaLink Control Software (version 2.1 or higher for MLS 304MA, MLS 406, or MLS 406MA; version

2.4or higher for MLS 304SA and MLS 406SA) has been installed. The PC’s RS‑232 port must be directly cabled to the MLS’s RS‑232/MLC/IR port.

CDo not attempt to upload firmware if a MediaLink Controller (MLC) or other control system is connected to the MLS switcher. The RS-232 cable from the PC must be connected directly to the MLS.

NEach time you replace existing firmware, the switcher will be reset to the factory default settings.

1.Visit the Extron Web site (www.extron.com) to find the appropriate firmware file for the model of switcher (MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, or MLS 406SA) you want to update. Save the new firmware file, and write down the filename and location for later use.

2.Connect a cable between the RS-232/MLC/IR port of the MLS and the serial (RS‑232) port of the PC (see Control connection on pages 2‑7 and 2‑8), and power on the MLS.

3.Start the MediaLink Control program (see Using the control program on page 4-8).

4-12 MLS 304 Series, MLS 406Series • Serial Communication

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Contents MediaLink Switchers MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, MLS 406SAConsignes de Sécurité Français PrecautionsSafety Instructions English Sicherheitsanleitungen DeutschInstallation Quick Start MLS 304MA, MLS 406, MLS 406MAVideo Configuration Table of Contents Table of Contents, cont’d One About this Manual FeaturesIntroduction About the MLS 304 Series and the MLS 406 SeriesTwo Important Safety Instructions InstallationUL/Safety Requirements MLS 304 Series, MLS 406 Series InstallationTabletop use Mounting the SwitcherRack mounting MLS 304 Series, MLS 406 Series Installation Power, input, and control connectionsPower connection Rear Panels and CablingInput Type Signal BNC Color Balanced Mono InputInstallation, cont’d  MLS 304 Series, MLS 406 Series InstallationIR Link IR signal repeater Control connectionThat has an external power supply Video outputs Video output, local monitor, and audio output connectionsAudio outputs Unbalanced Mono Output Balanced Mono Output Wiring for 4 ohm or 8 ohm speakers MA models Ohm Total LoadSpeakers Tapped at 7.5 Watts Each Equals 15 Watts Total Wiring for 4 ohm or 8 ohm speakers SA models Stereo OutputSpeaker arrangement examples Examples of speaker layoutsMLC Application DiagramsExtron MLC ProjectorThree  MLS 304 Series, MLS 406 Series Operation and Setup Operation and SetupFront Panel Features and Operation Minimum threshold at least 21%MLS 304 Series, MLS 406 Series Operation and Setup Front panel security lockout executive modesResetting the switcher Setting Up and Optimizing the AudioMLS 304 Series, MLS 406 Series Operation and Setup Configuring Lineout and Preamp output levels Adjusting audio input levelsClipping level Making adjustmentsSignal detection threshold Normal rangeDA distribution amplifier mode mode Video Signal RoutingStandard mode mode RGB follow mode modeMode Selected input Input special conditions Monitor Output Remote ControlMode If the switcher does not respond to controls TroubleshootingIf the image does not appear or there is no sound Preliminary Four RS-232 Programmer’s Guide Serial CommunicationHost-to-MLS communications Symbol definitions Using the command/response tablesMLS 304 Series, MLS 406Series Serial Communication Command/response table for SIS commands Command Ascii Command Response Additional descriptionAudio status for the active input Aux/Mix inputFirmware version, part number & information requests Command/response table for special function SIS commands Command Ascii Command Response ? valuesUsing the control program Installing the softwareControl Software for Windows User Mode Screen Special featuresSwitcher MLS Config Screen Preliminary File menu options Saving and restoring configurationsUpdating firmware Follow the on-screen instructions Key to file names Using the help programFile name Description AAppendix a Video SpecificationsReference Material Video input and loop-throughAudio SyncMLS 304 Series, MLS 406 Series Reference Material A- Audio output Lineout and Preamp Audio output mono power amp MLS 304MA, MLS 406MA onlyAudio input Included partsControl/remote switcher Audio output stereo power amp MLS 304SA, MLS 406SA onlyGeneral Included parts Replacement Part number Part Numbers and AccessoriesOptional accessories Accessory Part numberFrequency Response Graph for the Loudness Feature Audio Reference LevelsAudio Block Diagrams MLS 304MA audio block diagramMLS 304SA audio block diagram Utinpse LE CTMLS 406, MLS 406MA audio block diagram InputsMLS 406SA audio block diagram MLS 304 Series, MLS 406 Series Reference Material A-11This page was deliberately left blank FCC Class a Notice Extron’s Warranty Extron Electronics, USA
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