Extron electronic MLC 52 manual Resetting, Locking the Front Panel Executive Mode

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Resetting

In the event that the MLC 52 needs to be reset, you can do so by one of the following methods:

Factory firmware reset — Press and hold the bottom right button (the Video button on standard models or the blank button on VC models) while applying power to the MLC. This method resets the MLC firmware to the version with which the unit was delivered from the factory. Any commands that you previously programmed for the buttons remain in effect.

Factory configuration reset — Press and hold the On and Off buttons simultaneously while applying power to the MLC. This method removes all commands from the buttons.

You can also reset the MLC to its factory defaults via the MLC 52 configuration software (see the MLC 52/DVCM 50 Configuration Program help file for more information).

Locking the Front Panel (Executive Mode)

To prevent access by unauthorized users, or accidental presses of the button issuing unwanted commands to devices, the front panel controls can be locked using executive mode. When the MLC 52 is in executive mode, all front panel functions are locked, so that pressing the buttons has no effect.

If a button is pressed while the MLC 52 is in executive mode, all the front panel buttons blink, indicating that the front panel is locked.

To place the MLC in executive mode:

1.Power off the display device. Executive mode cannot be enabled if the device is on.

2.On the standard MLC 52 models, press and hold the Vol > and Video buttons simultaneously for 5 seconds.

On the VC models, press and hold the unlabeled button (bottom right) and the VCR button simultaneously for 5 seconds.

DISPLAY

DISPLAY

ON

OFF

VOLUME

ON

OFF

VOL

PC

VCR

PC

 

 

 

VOL

VIDEO

DVD

 

 

 

MLC 52

MLC 52

Figure 28. Buttons to Press and Hold for Executive Mode

When the MLC enters executive mode, all front panel buttons flash three times, then return to their original state.

To exit executive mode, press the same two buttons again, holding them for 5 seconds.

MLC 52 MediaLink Controllers • Operation

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Contents MLC 52 Series Safety Instructions Safety Instructions English Chinese Simplified(简体中文)FCC Class a Notice TrademarksConventions Used in this Guide Specifications AvailabilitySoftware Commands NotificationsContents Serial Communication Reference InformationAbout the MLC 52 Series MediaLink Controllers IntroductionAbout this Guide ModelsMK models Standard FeaturesEuropean models Options and Accessories MLC 52 Configuration SoftwareSystem Requirements Application DiagramsDevice Drivers MLC 52 RS VC MLC Installation ConfigurationRear Panel and Cable Connections MLC 52 RS MK VC MLC 52 RS MK and MLC 52 RS MK VC Rear Views MLC 52 RS EU and MLC 52 RS EU VC Rear ViewsInstallation Steps Replacing the Faceplate US Models Only Replacing Button Labels Screws to Remove from the MLC FaceplateRemoving and Replacing a Button Label Wiring the Control Connector Wiring for RS-232 Control RS Models OnlyWiring for IR Control Wiring an IRL Wiring an IRLConfiguring Using IR Data Transfer IR Beaming Configuring the MLC 52 Using IRWiring the Power Connector Data Transfer Order in which the Buttons Blink during Data Transfer Percent Complete MLC 52 Models MLC 52 VC Models Buttons LitConfiguring Using IR Learning Activation of LEDs During Button ConfigurationRemoving IR Commands from a Button Setting Up Button Macros Using IR Setting Up an MLC 52 VC Model with an Extron Amplifier Wiring the VC PortRequirements for the MLC 52 VC Extron MPAPreparing the Site Configuring the MLC 52 IR VC and MLC 52 RS VC Vol ButtonsMounting the MLC Mounting the MLC to an Electrical Box Mounting the MLC to a Decora Mounting Bracket Mounting the MLC 52 to an Electrical BoxMounting the MLC to a Wall or Furniture Mounting an MLC 52 to a Decora Mounting BracketOperation Front Panel FeaturesSwitch modes Buttons on the Front PanelFront Panel Components MLC 52 IR and RS MLC 52 IR VC and RS VC MLC 52 RS Mkmlc 52 RS MK VC Mm TRS Cable for the Configuration Port Selecting Inputs Input Selection Buttons on the MLC 52 Front PanelResetting Locking the Front Panel Executive ModeApplication 1 Using Multiple Sources with an MLC Special ApplicationsExamples of Projector Remote Control Types a and B Programming Buttons for an IR Controlled SystemProjector remote control type a application Standard MLC 52 models with a type a remote controlProjector remote control type B application MLC 52 VC models with a type a remote controlStandard MLC 52 with a type B remote control Turn Power OFF? Yes Press Again No Please Wait Programming RGB inputs projector remote control type a Programming video inputs projector remote control type a Projector Remote Type a Using the PC button RGB Using the Video button S-video or composite videoProgramming RGB inputs projector remote control type B Programming video inputs projector remote control type BProjector Remote Type B Using the PC button RGB Serial Communication Configuration PortsUsing the MLC 52/DVCM 50 Configuration Program Installing the Software from the DVD Extron Software DVD ScreenDownloading and Installing the Software from the Website Control Software Button on Download Center ScreenStarting the Configuration Program Select a Comm Port TabMLC 52/DVCM 50 Configuration Program Window Loading Extron Drivers Loading the serial RS-232 driversDownloading IR drivers from the DVD Selecting the MLC 52/DVCM 50 IR Driver PackageIR Device Drivers Package List To download a single driver Saving a Single Driver to the ComputerDownloading drivers from the website Device Drivers ScreenEntering MLC 62 Driver Search Criteria Error Responses Using SIS CommandsUsing the Command and Response Table Host-to-Controller CommunicationsSymbol Definitions Command and Response Table for SIS Commands Reference Information Part Numbers and AccessoriesIncluded Parts Replacement Part Number Included PartsOptional Accessories Recommended CablesMounting an Electrical Box Templates for MLC 52 and MLC 52 VC US Models Attaching an Electrical Box to a Wall StudMLC MLC 52 VC Surface CUT-OUT Area For Furniture Mount 50 8.90 cm 40 cm Extron Warranty
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