Extron electronic MLS 304MA, MLS 304SA Operation and Setup, Front Panel Features and Operation

Page 26

Operation and Setup

Front Panel Features and Operation

MLS 304 Series Front Panel

INPUT SELECT

1

2

3

4

12

INPUT SELECT

1

2

3

4

5

6

VOLUME

MAX

MID

MIN

3

VOLUME

MAX

MID

MIN

PRELIMINARY

MLS 406 Series Front Panel

NThe MLS 304MA and MLS 304SA have identical front panel features.

The MLS 406, MLS 406MA, and the MLS 406SA have identical front panel features.

A	Power indicator LED — When lit this LED indicates that the switcher is
	powered on.
B	Input selection buttons and indicator LEDs — Press one of these buttons to
	select the desired audio and video input. The corresponding LED lights and
	remains lit while an audio-video input is selected. During audio breakaway
	(selectable only via RS‑232 control, and described in Special Features on page
	4‑9), audio is switched separately from video. The selected video input’s LED
	lights steadily, and the audio input’s LED blinks.
	Which input’s signal, if any, is routed to the Monitor Output depends on
	which mode (standard, DA, or RGB follow) is active. See Video Signal Routing
	on page 3-7 for details on modes and video routing.
C	Volume adjustment knob and Min/Mid/Max LEDs — Use this knob to make
	input level and volume adjustments. The LEDs indicate different things,
	depending on the mode (user or setup) the MLS is in. See Making adjustments,
	on page 3‑6 for instructions on setup mode and per-input adjustments. See
	appendix A, Reference Material, for audio block diagrams.
	•	In the user (regular) mode, the LEDs function as volume level
		indicators. Rotate the Volume knob to adjust the output level of the
		Preamp and Amplified outputs.

User (regular) mode

VOLUME

MAX		Maximum volume limit (100%)
MAX
MID		51% of the maximum volume
MID		51% of the maximum volume
MIN		Minimum threshold (at least 21%)
		Minimum threshold (at least 21%)

NThe volume of the Lineout output is not affected by this volume adjustment.

NIf the Loudness feature is turned on, the gains for bass and treble frequencies are affected for all outputs whenever volume is adjusted.

3- MLS 304 Series, MLS 406 Series • Operation and Setup

Image 26

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 InstallationRack mounting Mounting the SwitcherTabletop use 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 Audio outputs Video output, local monitor, and audio output connectionsVideo 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 layoutsExtron Application DiagramsMLC 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 modesMLS 304 Series, MLS 406 Series Operation and Setup Setting Up and Optimizing the AudioResetting the switcher 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 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/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 ? valuesControl Software for Windows Installing the softwareUsing the control program User Mode Screen Special featuresSwitcher 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 SpecificationsReference Material Video input and loop-throughMLS 304 Series, MLS 406 Series Reference Material A- SyncAudio Audio output Lineout and Preamp Audio output mono power amp MLS 304MA, MLS 406MA onlyAudio input Included partsGeneral Audio output stereo power amp MLS 304SA, MLS 406SA onlyControl/remote switcher 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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