Extron electronics MEDIALINK MLC 52 Series User Manual
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Extron electronics MEDIALINK MLC 52 Series User Manual

Extron electronics home theater server user manual
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MLC 52 Series
™
MediaLink
Controllers
68-1079-01 Rev. D
04 07

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Summary of Contents for Extron electronics MEDIALINK MLC 52 Series

  • Page 1 MLC 52 Series ™ MediaLink Controllers 68-1079-01 Rev. D 04 07...
  • Page 2 Precautions Safety Instructions • English This symbol is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment. This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product's enclosure that may present a risk of electric shock.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 • Introduction About the MLC 52 Series Features and Options Standard features ... 1-2 Options and accessories ... 1-3 MLC 52 Application Examples Chapter 2 • Installation ... 2-1 Installation Overview UL Requirements ... 2-3 Installation Procedures Preparing the site and installing the wall box ...
  • Page 4 Table of Contents, cont’d Powering the Display Device On and Off Powering on ... 3-12 Powering off ... 3-13 Selecting Inputs ... 3-13 Operating the MLC 52 Using IR Remote Control Buttons on the IR 452 remote control ... 3-15 Resetting ...
  • Page 5 Overview of the configuration procedure ... 5-20 Opening the MLC 52 Configuration Program screen ... 5-20 Displaying the Help program ... 5-23 Saving and restoring a configuration ... 5-23 Saving a configuration ... 5-23 Restoring a configuration ... 5-24 Overview of the MLC 52 configuration program main screen ... 5-25 Menu bar ...
  • Page 6 Table of Contents, cont’d Appendix A • Specifications, Part Numbers, and Accessories Specifications ... A-2 Part Numbers and Accessories Included parts ... A-3 Optional accessories ... A-4 Cables ... A-4 Appendix B • Templates MLC 52 IR and MLC 52 RS Template ... MLC 52 IR VC and MLC 52 RS VC Template All trademarks mentioned in this manual are the properties of their respective owners.

  • Page 7: Chapter 1 • Introduction

    MLC 52 Series Chapter One Introduction About the MLC 52 Series Features and Options MLC 52 Application Examples...

  • Page 8: About The Mlc 52 Series

    Introduction About the MLC 52 Series The Extron MediaLink infrared (IR) remote control of a projector or other display device. They are economical, compact (one-gang or two-gang size), easy-to-use controllers for use with audiovisual equipment in sites such as elementary or high school classrooms, or small conference rooms.

  • Page 9: Options And Accessories

    Front panel configuration port — This RS-232 serial port enables advanced configuration, driver downloads, and firmware updates to be performed from the front panel without the need to remove the controller from its mounting. The optional Extron configuration cable (part #70-335-01) can be used to connect the MLC 52 to the PC’s RS-232 port.

  • Page 10: Mlc 52 Application Examples

    Introduction, cont’d MLC 52 Application Examples Application diagram for a standard MLC 52 (1-gang size) S-video Audio RCA Composite Audio RCA MLC 52 Series MediaLink Controllers • Introduction IR or RS-232 Control Projector w/ Internal Speakers VGA w/ Audio Cable Composite Audio RCA VGA w/...

  • Page 11: Chapter 2 • Installation

    MLC 52 Series Chapter Two Installation Installation Overview UL Requirements Installation Procedures...

  • Page 12: Installation Overview

    Installation Installation Overview CAUTION To install and set up the MLC, follow these steps: If applicable, prepare the installation site: cut a hole in the wall, install the electrical box or mounting bracket (“mud ring”), and prepare the cables. Instructions are included in this manual and/or with the optional faceplate, mounting device, or wall box.

  • Page 13: Ul Requirements

    UL Requirements The Underwriters Laboratories (UL) requirements listed below pertain to the installation of the MLC into a wall or furniture. Elevated operating ambient temperature — If the equipment is installed in a closed or multiunit rack assembly, the operating ambient temperature of the rack environment may be greater than room ambient.

  • Page 14: Replacing The Faceplate

    Installation, cont’d To prepare the site, Choose a location that will allow cable runs without interference. Allow enough depth for both the wall box and the cables. You may need to install the cables into the wall or furniture before installing the controller. If using an electrical box to wall mount the controller, locate a stud to which the box will be attached.

  • Page 15: Replacing Button Labels

    Installing the MLC onto a new faceplate (bottom view) Replacing button labels The button caps are prelabeled for your convenience by default. However, you can change them with the included button labels. The button assembly consists of a clear lens cap, the button label, and a white diffuser.

  • Page 16: Mounting An Electrical Box

    Installation, cont’d Lift out the transparent square label that you want to replace, being careful not to damage the circuits beneath it. You may need to use the small screwdriver to gently pry the label out. Detach one of the preprinted labels or one of the blank labels from the label sheets included with the MLC 52.
  • Page 17 Wall Stud Installation Cable Cable Clamp Screws or Nails Attaching a wall box to a wall stud • If you are attaching the wall box to wood, use four #8 or #10 screws or 10-penny nails. A minimum of ½ inch (1.3 cm) of screw threads must penetrate the wood.

  • Page 18: Rear Panel And Cable Connections

    Installation, cont’d Rear panel and cable connections The following diagrams show the locations of the connector, switches, LEDs, and IR sensors on the back of the MLC 52 with standard and VC faceplates. MLC 52 rear view MLC 52 VC rear view MLC 52 Series MediaLink Controllers •...
  • Page 19 IR learner/transmitter — These sensors allow for IR control of the MLC and for IR learning. The two LEDs (one for transmitting, one for receiving) send and receive IR signals, enabling the MLC to learn commands and clone configurations from another MLC. The IR remote control must be pointed directly at these LEDs for best results.

  • Page 20: Wiring The Control Connector

    Installation, cont’d Wiring the control connector The display and source control connector allows you to connect cables for IR devices, RS-232 devices (RS models only), and AC power to the MLC. The illustration below shows the pin assignments of the MLC’s control connector that are covered in detail on the following pages.

  • Page 21: Wiring For Ir Control

    Wiring for IR control If you intend to control display and/or input devices via infrared (IR) commands from the MLC, you can connect Extron IR emitters or an IR Broadcaster to the IR Out pin of the control connector. Up to two IR emitters can be connected via this connector at one time.

  • Page 22: Wiring For Rs-232 Control (Rs Models Only)

    Installation, cont’d Wiring for RS-232 control (RS models only) The MLC 52 RS and the MLC 52 RS VC send out RS-232 commands via the Tx port for controlling a display device. If you have an RS model and want to control the device via RS-232, connect a cable between the device and this 3.5 mm, 6-pole direct insertion captive screw connector.
  • Page 23 Attach a 3.5 mm, 5-pole captive screw connector to one end of the cable and a 6-pole captive screw connector to the other end. Only three wires are required: • A (MLC) to A (IR Link) • B (MLC) to B (IR Link) •...

  • Page 24: Wiring An Irl 20

    Installation, cont’d Wiring an IRL 20 The Extron IRL 20 is a hardwired IR signal receiver that can be used with the MLC 52 and the IR 452 remote control. The IRL 20 receives a signal via its front panel (or an IR sensor) from the IR 452 remote control, and outputs a modulated IR signal via an IR emitter or an IR Broadcaster.

  • Page 25: Wiring The Power Connector

    Wiring the power connector The control connector also contains a power connector for the MLC 52. Connect the supplied external 12 VDC power supply to this port to power the MLC as shown in the following diagram. The Extron P/S 100 and other Extron power supplies can be used with the MLC 52.

  • Page 26: Mounting The Mlc 52

    Installation, cont’d Mounting the MLC 52 Once the system has been cabled, configured, and tested, the MLC can be installed in the wall or furniture. Mounting the MLC to an electrical box or mounting bracket You can mount the MLC 52 in an electrical box or a mounting bracket, as follows: If you want to install a different faceplate, attach the MLC to the desired faceplate using the provided screws.

  • Page 27: Mounting The Mlc To A Wall Or Furniture

    Mounting the MLC 52 to a mounting bracket (mud ring) Mounting the MLC to a wall or furniture With all cables attached to the MLC and power disconnected at the source, insert the MLC into the wall or furniture. Fasten the MLC and faceplate directly to the furniture or wall using wood screws.
  • Page 28 Installation, cont’d 2-18 MLC 52 Series MediaLink Controllers • Installation...

  • Page 29: Chapter 3 • Operation

    MLC 52 Series Chapter Three Operation Display Device Control Front Panel Features and Operation Configuring the MLC 52 Using IR Using the MLC 52 VC Models with the MPA Series Power Amplifiers Powering the Display Device On and Off Selecting Inputs Operating the MLC 52 Using IR Remote Control Resetting Locking the Front Panel (Executive Mode)

  • Page 30: Display Device Control

    Operation Display Device Control The MLC 52 IR models can control a projector or other display device by using infrared (IR) signals. The RS models can control a display device using IR or RS-232. The MLC must be configured for device control by one of the following methods before it will send commands to the display device: •...

  • Page 31: Front Panel Components

    • Input mode: Buttons in this mode are grouped together so that only one of them can be active at a time. When one button is pressed and activated, it becomes fully lit, while the other (inactive) button(s) are dimmed to 25% brightness.
  • Page 32 Operation, cont’d Input selection buttons — These buttons are preprogrammed to select input sources. By default, they are in input mode; that is, only one of them may be selected at a time. If you want these buttons to operate independently of each other, use the Windows-based control software to remove the group configuration from them.

  • Page 33: Configuring The Mlc 52 Using Ir

    Configuring the MLC 52 Using IR The MLC 52 can be programmed/configured via IR by the following methods: • IR data transfer from an MLC 52 that has been configured • IR learning from your projector’s remote control Configuring using IR data transfer You can configure your MLC 52 by transferring button configuration data to it from another configured MLC 52 via the two IR LEDs on the back panels of the MLCs.
  • Page 34 Operation, cont’d Transmitting MLC Setting up transmitting and receiving units for wireless data transfer The data transfer begins when the receiving unit detects the transmitting unit, and the process takes 15 to 20 seconds to complete. (It may take longer if the transmitting unit has multiple commands programmed on each button.) The front panel buttons act as data transfer progress indicators.

  • Page 35: Configuring Using Ir Learning

    After approximately 17% of the data has been transferred, the On button lights and remains lit to maximum brightness. After another 17% has been transferred, the Off button lights to maximum brightness. The buttons continue to light brightly in clockwise order after each increment of 17% of the data has been transferred.
  • Page 36 Operation, cont’d Press the button on the MLC that will store the IR code that you want the MLC to learn. The following takes place on the MLC: • The front panel button that you pressed begins to blink, indicating that it is ready to be programmed.

  • Page 37: Removing Commands From A Button

    Press the buttons that you configured to verify that the commands you entered have been learned. If you have an IR Emitter connected on the IR output, it should blink. (See “Wiring for IR control” in chapter 2, “Installation.”) Removing commands from a button If you want to delete a command that has been programmed onto a button, you must remove all the commands programmed to that button, as follows: While the MLC 52 is powered on, set configuration switch #1 to On (up).

  • Page 38: Configuring A Single Button For Input Source Selection

    Operation, cont’d Configuring a single button for input source selection If you want to use only one button to select your input sources, you must program the button with one command for each source (up to four). Only one button has to learn IR commands;...

  • Page 39: Using The Mlc 52 Vc Models With The Mpa Series Power Amplifiers

    Using the MLC 52 VC Models with the MPA Series Power Amplifiers The dedicated volume control knob on the MLC 52 IR VC or the MLC 52 RS VC controls the audio output of an Extron MPA 122 or MPA 181T power amplifier, to which speakers for the system are connected.

  • Page 40: Wiring And Connections For The Mlc 52 Vc Models

    Operation, cont’d Wiring and connections for the MLC 52 VC models Connect the cables to the MLC 52 IR VC or MLC 52 RS VC controller with the MPA Series amplifier as shown in the diagram below and on page 2-15. COMPUTER IN-1 AUDIO COMPUTER IN-2...

  • Page 41: Powering Off

    Powering off To turn the projector/display off, press the Off button. The button blinks for 4 seconds, then remains steadily lit. (A 2-second hold feature, requiring you to press and hold the Off button for 2 seconds in order to turn off the display device, helps prevent accidental powering off of the projector or display.

  • Page 42: Operating The Mlc 52 Using Ir Remote Control

    Operation, cont’d • If an input selection button is in macro mode, pressing the button once executes all the commands stored on that button, in memory block order (i.e., the command in memory block 1 is performed first, then block 2, etc.). See “Setting up button macros,”...

  • Page 43: Buttons On The Ir 452 Remote Control

    • The MLC recognizes the command it receives via the IR IN pole, and responds as if its own equivalent button were pressed, issuing the command to the appropriate device. See “Wiring an IR Link” in chapter 2, “Installation,” for information on wiring the IR Link.

  • Page 44: Resetting

    Operation, cont’d 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.

  • Page 45: Chapter 4 • Special Applications

    MLC 52 Series Chapter Four Special Applications Application 1: Using Multiple Sources with an MLC 52 Application 2: Controlling Projectors that Require Power Off Confirmation Application 3: Controlling Projectors That Have Multi-coded IR Functionality...

  • Page 46: Application 1: Using Multiple Sources With An Mlc 52

    Special Applications This chapter describes some special types of applications that represent unique conditions. For the MLC 52 to operate properly in these situations, it is important that the controller be configured correctly. On the following pages, three application examples are described, along with their requirements for the MLC 52. Application 1: Using Multiple Sources with an MLC 52 Following is an example of an application in which the system contains more than two inputs.

  • Page 47: Programming Buttons For An Ir Controlled System

    Programming buttons for an IR controlled system S-Video VIDEO INPUTS S-Video RGB1 VIDEO RGB2 POWER PRG+ PLAY TIME/ TIME/ LEVEL– DLY/CNT/REAR LEVEL+ PAUSE LEFT RIGHT STOP DOWN PRG– – SKIP/CHAPTER DIR A INPUT +100 REC/ EFFECT PAUSE ON/OFF INPUT SELECT TAPE TUNER PHONO...
  • Page 48 Special Applications, cont’d If you are using an MLC 52 IR or an MLC 52 RS (one-gang models) with a type A remote control, program the buttons using the following scheme: DISPLAY Programming MLC 52 input selection buttons from a projector remote control type A MLC 52 Series MediaLink Controllers •...
  • Page 49 If you are using an MLC 52 IR VC or an MLC 52 RS VC (two-gang models) with a type A remote control, program the buttons using the following scheme: DISPLAY VOLUME Command #1: Video IR command Command #1: S-video IR command MLC 52 Programming the MLC 52 IR VC and MLC 52 RS VC with a projector...

  • Page 50: Projector Remote Control Type B (Application 1)

    Special Applications, cont’d Projector remote control type B (application 1) This remote control has only two input buttons — one for the RGB inputs and one for the S-video and composite video inputs. Each of these buttons contains one command that causes the projector to toggle between inputs. •...

  • Page 51: Programming Buttons For Multiple Inputs On An Rs-232 Controlled System

    Programming buttons for multiple inputs on an RS-232 controlled system If the MLC 52 RS is to control the projector via RS-232, the projector ’s remote control does not need to be involved. Program the MLC buttons directly via the front panel configuration port using Windows-based configuration software (see chapter 5, “Serial Communication,”...

  • Page 52: Configuring The Mlc 52 For A Power-Off Confirmation

    Special Applications, cont’d Configuring the MLC 52 for a power-off confirmation The MLC 52 can be configured so that the projector Power Off button does not need to be pressed twice for confirmation. Using the macro mode feature, you can send two power off commands sequentially from a single press of the MLC’s Off button.

  • Page 53: Application 3: Controlling Projectors That Have Multi-Coded Ir Functionality

    Application 3: Controlling Projectors That Have Multi-coded IR Functionality Certain projectors, such as Philips projectors, have multiple IR codes for the same function. Projectors with multi-coded IR functionality issue two commands for each IR remote control button. Command “A” is initiated by the first press of the button;...

  • Page 54: Programming Video Inputs - Projector Remote Control Type A

    Special Applications, cont’d Within 5 seconds (while the PC button on the MLC 52 is blinking), press the RGB 2 button on the projector ’s remote control. The MLC has learned command “A” for RGB 2. Program the input selection command “B” from the RGB 1 input selection button on the projector’s remote control into memory block #3 of the MLC 52’s PC button as follows: Press the PC button on the MLC front panel.
  • Page 55 Within 5 seconds (while the Video or blank button on the MLC 52 is blinking), press the S-video button on the projector ’s remote control. The MLC has learned command “A” for S-video. Program the input selection command “B” from the Video input selection button on the projector’s remote control into memory block #3 of the MLC 52’s Video button as follows: Press the Video button on the MLC front panel.

  • Page 56: Issuing Input Selection Commands Learned From A Type A Remote Control

    Special Applications, cont’d Issuing input selection commands learned from a type A remote control The MLC now has four commands each on the PC and Video buttons. When you press an MLC input button repeatedly, the following occurs: Using the PC button (RGB): •...

  • Page 57: Projector Remote Control Type B (Application 3)

    Projector remote control type B (application 3) This remote control has only two input buttons — one for the RGB inputs and one for the S-video and composite video inputs. Each of these buttons contains two commands (commands “A” and “B”) that cause the button to toggle between inputs.

  • Page 58: Programming Video Inputs - Projector Remote Control Type B

    Special Applications, cont’d Programming video inputs — projector remote control type B Place the rear panel configuration DIP switch #1 in the On (up) position to enable learning mode. (If the MLC is already in learning mode, proceed to step 2.) Using IR learning, program command “A”...

  • Page 59: Issuing Input Selection Commands Learned From Remote Control Type B

    Issuing input selection commands learned from remote control type B The MLC now has two commands each on the PC and Video buttons. When you press an MLC input button repeatedly, the following commands are issued: Using the PC button (RGB): •...
  • Page 60 Special Applications, cont’d 4-16 MLC 52 Series MediaLink Controllers • Special Applications...

  • Page 61: Chapter 5 • Serial Communication

    MLC 52 Series Chapter Five Serial Communication Using the MLC 52 Configuration Program Using Simple Instruction Set (SIS ™ ) Commands...

  • Page 62: Using The Mlc 52 Configuration Program

    Serial Communication The MLC 52 can be remotely configured via a host computer connected to the front panel configuration port. Through this port, you can program the MLC’s buttons with commands by using the Windows (MLC 52/DVCM 50 Configuration Program). You can also issue certain SIS (Simple Instruction Set) commands through this port.

  • Page 63: Installing The Software

    Installing the software To install the MLC 52 configuration software on your computer, Insert the CD ROM Disk A into your CD drive and open it. • If the CD Autorun function is enabled on your PC, the disk starts automatically.

  • Page 64: Starting The Configuration Program

    Serial Communication, cont’d By default the installation creates a directory called “MediaLink” within the Extron folder on the PC hard drive, and places the following icons in it: • MediaLnk52.exe (MediaLink Configuration program) • MLC52wizard.exe (a program to help you get started with the MLC 52) •...

  • Page 65: Loading Extron Drivers

    Loading Extron drivers Extron drivers are control files (libraries) of Extron-created projector or display commands that are specific to a particular display device. There are different sets of drivers for serial (RS-232) and for IR control. Before you can use the configuration software to configure the MLC’s buttons, the IR and/or serial driver packages must be loaded onto your computer.
  • Page 66 Serial Communication, cont’d On the Drivers screen, select MLC 52/DVCM 50 Device Drivers. Selecting the MLC 52 / DVCM 50 IR driver package On the MLC 52/DVCM 50 Device Drivers screen, If desired, select IR from the Select Interface Type drop-down menu to view a list of all the IR drivers in the package.

  • Page 67: Viewing The Ir Driver Package Version

    IR driver package list Click Run on the next two download screens that appear, to start the Driver Installer. Follow the instructions on the Install Wizard screens to load the IR drivers to your computer. Unless you specify otherwise, the IR drivers are placed at the following location: c:\Program Files\Extron\Driver2 For information on loading an RS-232 or IR driver to the MLC 52, see “Adding a...

  • Page 68: Changing The Location Of The Ir Drivers

    Serial Communication, cont’d IR driver information in the Help > Details window Changing the location of the IR drivers When you load the IR driver package from the CD, these drivers are by default placed at c:\Program Files\Extron\Driver2. If you store your IR drivers in a different folder, you must direct the MLC to this new folder to obtain IR drivers when you want to load them.

  • Page 69: Key To File Names

    Browse For Folder window Click OK on the IR Driver Directory. Key to file names File name Description ________.MLL Extron-supplied display device driver library files. These files contain commands and settings pertinent to a particular projector or display. ________.MLK User-saved MLC/MLC-MLS/MLS configuration files. This includes adjustments/settings and whatever driver (if any) was installed in the MLC at the time the file was saved.
  • Page 70 Serial Communication, cont’d To configure the MLC using the Configuration Wizard, On the first Configuration Wizard screen, select the “Configure the product using the Wizard” radio button, and click Next. Initial configuration options screen On the Welcome screen, click Next again. The following screen opens. Select Initial Option screen, first radio button selected 5-10 MLC 52 Series MediaLink Controllers •...

  • Page 71: Creating A New Configuration Using The Wizard

    On the Select Initial Option screen, select the radio button for the type of connection you want to make between the MLC and your computer: • Select the first radio button if your MLC is connected to your computer and you want to create a new configuration. •...
  • Page 72 Serial Communication, cont’d Select COM Port screen The Detect Device Type screen appears, showing the name and a representation of the MLC 52 that is connected to your computer’s serial port. Click Next to continue. Depending on whether you have an RS or an IR model, one of the following driver selection screens appears.
  • Page 73 • For MLC 52 IR and MLC 52 IR VC: Select IR Driver screen for IR models On the driver selection screen, select a device driver for your MLC as follows: IR models only: Click the Video Projector or Display button to specify the type of device you have.
  • Page 74 Serial Communication, cont’d Click the Add Driver button. The selected manufacturer and model names are displayed in the Selected MediaLink [Serial or IR] Driver field. If you change your mind about the driver you selected, click Remove Driver, and repeat steps 4b through 4d to add a different driver. Click Next.
  • Page 75 Assign Commands To Buttons window with PC button selected To add a command to a button, Click on the screen button that you want to program. A yellow box appears around it, and its name is displayed in the Selected Button field.
  • Page 76 Serial Communication, cont’d When finished programming buttons, click Next. The Upload Configuration screen is displayed. Click the Upload button to begin the process of loading your new configuration to the MLC. A prompt appears, asking if you want to save the configuration to a file.
  • Page 77 When you click Finish with this option selected, a prompt appears, reminding you to save the configuration after editing it using the Windows-based configuration software. Click OK to close the prompt. After a few seconds, the MLC 52 configuration program main screen opens, displaying your most recently uploaded configuration.
  • Page 78 Serial Communication, cont’d By default, the configuration files are stored at the following location: c: Program Files\Extron\MediaLink. This is where the configuration program looks for these files when you click Next. If the configuration file you want is stored elsewhere, click the Browse button, near the lower-right corner of the screen, and use the Browse For Folder screen to locate the file (it must have a .mlk extension).

  • Page 79: Configuring Using The Windows-Based Configuration Program

    Wizard Finish screen On the Finish screen, select either of the radio buttons, then click Finish. • The first radio button closes the wizard and opens the Windows- based configuration program, enabling you to view and/or edit the configuration you most recently uploaded. When you click Finish with this option selected, a prompt appears, reminding you to save the configuration after editing it using the Windows-based configuration software.

  • Page 80: Overview Of The Configuration Procedure

    Serial Communication, cont’d This section discusses configuring an MLC that is connected to your computer. You can also create and save configurations in emulation mode for an MLC 52, an MLC 52 VC, or a DVCM 50 that is not connected to your computer. (For more information, see “Using emulation mode,”...
  • Page 81 If you want to create a configuration for an MLC that is not connected to your computer, select the Emulation Mode tab and see “Using emulation mode” on page 5-43. From the “Select a COM port” drop box, select the port through which your computer will communicate with the MLC (information on the communications port to use should be available from your system administrator).
  • Page 82 Serial Communication, cont’d After a few seconds, the Extron MLC 52 Configuration Program main screen appears, displaying a graphic representation of your selected model and of the IR 452 remote control. The MLC 52 Configuration Program screen (not configured) If you have loaded any configurations to your MLC previously, the most recently saved configuration is displayed, including button switch mode colors and name labels, driver commands, and display device settings.

  • Page 83: Displaying The Help Program

    Displaying the Help program For information on program features, do one of the following to display the MLC 52 Help screens: • From the Help menu on the MLC 52 Configuration program screen, select Contents. • Press the F1 computer key. •...

  • Page 84: Restoring A Configuration

    Serial Communication, cont’d Save configuration to... window. Click Save. The current configuration is saved as a file with a .mlk extension. Restoring a configuration Restoring a configuration allows the software to quickly program an MLC 52 from an existing configuration. To restore a configuration, From the File menu, select Restore Configuration from...

  • Page 85: Overview Of The Mlc 52 Configuration Program Main Screen

    Load configuration from... window If necessary, browse to locate the configuration file that you want to restore. (Configuration files are by default stored in the folder at c: \Program Files\ Extron\MediaLink.) Select the desired configuration file. It must have the extension .mlk. Click Open.

  • Page 86: Menu Bar

    Serial Communication, cont’d Main screen with a driver added The main screen consists of the following sections: Menu bar The menus on the menu bar at the top of the screen enable you to access certain functions and settings for the MLC, as well as the help file. •...
  • Page 87 Change IR Driver Location — Lets you select a folder where the MLC will look for the IR drivers that you are loading. (See “Changing the location of the IR Drivers” on page 5-8 for more information.) Show Trace Window — Opens the Trace Window, in which you can view a record of all commands that are submitted via the front panel, SIS, or the Windows-based configuration software, as well as the MLC’s responses to the commands.

  • Page 88: Front Panel Representations

    Serial Communication, cont’d Details... — Displays the Details window, which gives detailed information on the MLC’s current configuration and status. Details window from the Help menu When finished viewing the information, click the X (Close) button in the upper-right corner to close this window. Check for Updates —...

  • Page 89: Button Settings Area

    Button Settings area In this section of the screen, you can enter text to label the MLC screen buttons on the front panel display (you cannot label the IR 452 buttons). You can also select the switch mode (defining the way the buttons are grouped and function together) for a selected button (Input, Volume, Single Switch) and/or whether the button will execute one command (toggle mode) or multiple commands (macro mode) when pressed.

  • Page 90: Adding A Driver

    Serial Communication, cont’d Adding a driver To add a serial (RS-232) or IR driver to the MLC, Load the serial and/or IR driver package(s) on your computer hard drive, if you have not already done so. Click Add Driver, in the lower-left corner of the MLC 52 main screen. On the Add Driver window, click Serial or IR for the type of driver to be added.
  • Page 91 Select a serial driver... window Double-click on the driver for the desired device. The driver name appears on the Driver tab. • If you select IR, the Select Your IR Driver window opens. From the drop-down menus, select the device type, manufacturer name, and model name.

  • Page 92: Removing A Driver

    Serial Communication, cont’d The IR driver name appears on the Driver tab on the MLC 52 main window. If Auto Fill was performed, the IR 452 buttons for which the driver has commands display red triangles in their upper-left corners, indicating that commands have been added to them.
  • Page 93 PC button selected on MLC 52 main screen On the Driver tab in the Button Operations field, click the + sign in front of the driver name to view the commands available with that driver. On the command list below the driver name, click on the name of the first command that you want to program onto the selected button.

  • Page 94: Assigning User-Defined Functions To Buttons

    Serial Communication, cont’d If you want to assign another command to the same button, select the next command you want to add to the button, then repeat step 4. The command appears beside the next number in the Current Button field. For each MLC and IR 452 button, you can perform this procedure up to four times, or until the button’s four memory blocks are all assigned.

  • Page 95: Removing A Function From A Button

    User-defined command entered for Video button If you do not want to assign the command to the button, click Clear to remove your entries from both fields on the User Defined tab. Repeat steps 3 and 4 for any additional commands you want to define for the button.
  • Page 96 Serial Communication, cont’d Volume mode (green): This mode is available only on the standard (not VC) MLC model, and only for the two buttons that are (by default) labeled Vol Up and Vol Dn. When an RS-232 driver that contains a volume table is part of the configuration, pressing a button in volume mode accesses the driver’s volume table.

  • Page 97: Factory Defaults

    Factory defaults When your MLC 52 is delivered from the factory, or after a reset, the buttons are set up as shown in the following figures: Default button configuration — standard MLC 52 Default button configuration — MLC 52 VC The two Display buttons on the MLC are set in the power and macro modes, colored yellow, and labeled On and Off.

  • Page 98: Setting The Button Modes

    Serial Communication, cont’d The two buttons in the right column, below the Display Off button, are configured as follows: • MLC 52 standard models: These buttons are in input mode, colored blue, and are labeled “PC” and “Video.” • MLC 52 VC models: One button is in input mode (blue) and is labeled “PC”;...

  • Page 99: Entering Display Device Communications Port Settings

    • Automatically shut off projector power after being inactive for: Click the up and down arrow buttons at the right of this field to adjust the amount of time the MLC will remain inactive before shutting down the display device. You can select periods in increments of 30 minutes. If this field contains a value, the MLC monitors its button presses;...

  • Page 100: Programming The Mlc 52 For Control By The Ir 452 Remote

    Serial Communication, cont’d Programming the MLC 52 for control by the IR 452 Remote The optional IR 452 Remote Control can issue commands to a projector, DVD, VCR, or other device via the MLC 52, which can be programmed to pass on commands received from the IR 452 via the optional IR Link or IRL 20.
  • Page 101 IR learning readiness prompt When you are ready to start, click OK. The text in the prompt window becomes red and changes to the following message: Prompt to press IR remote control button Hold the device’s remote control 4" to 14" (10 cm to 36 cm) away from and directly facing the MLC’s IR learning LEDs.

  • Page 102: Playing An Ir Command

    Serial Communication, cont’d If the command is learned successfully, the Current Button field displays “IR Learned” in the selected button’s first available command slot. Current Button field showing that an IR command was learned to the PC button If you do not press the device remote control button within 5 seconds, the following dialog box appears, telling you that the IR learning process has timed out.

  • Page 103: Using Emulation Mode

    Playing an IR command Using emulation mode The MLC 52 configuration program features an emulation mode, which enables you to set up an MLC 52 system before the actual equipment is available on site. You can save the emulated settings as a configuration file on your computer, then load that configuration file to the MLC 52 when the unit is available.
  • Page 104 Serial Communication, cont’d You can create a new configuration starting from the default settings, or you can base the configuration on an existing setup. • If you are creating a new configuration, select the Start New Configuration radio button, then click OK. •...
  • Page 105 Double-click on the configuration file that you want to use in emulation mode. Its name appears on the Emulation Mode tab. Click OK. If you are starting a new configuration, the following screen appears: Device selection screen for emulation mode In the Please Select a Device area, click on the controller for which you want to create the configuration: DVCM 50, MLC 52 VC, or MLC 52.

  • Page 106: Selecting The Starting Screen

    Serial Communication, cont’d Click the button for the MLC type that you want to configure in emulation mode: MLC 52 RS or MLC 52 RS VC (loads a serial driver) or MLC 52 IR or MLC 52 IR VC (loads an IR driver). Select your desired settings on the main screen to configure the buttons as described the following sections: “Assigning functions to buttons,”...

  • Page 107: Resetting

    Initial configuration options screen Resetting Using the configuration software, you can reset the MLC 52 to its factory defaults — the original values and settings with which the MLC was delivered. (See “Factory defaults” on page 5-37.) The Total Factory Reset option is not available in emulation mode. To reset to factory defaults, From the File menu, select Total Factory Reset.

  • Page 108: Uploading Firmware

    Serial Communication, cont’d • Click Yes if you want to save the current configuration. A “Save configuration to” window opens, in which you can specify the intended location and the name of the configuration you are saving. • Click No if you do not want to save the current configuration. The MLC is reset to its factory default values.

  • Page 109: Installing The Firmware Loader

    On the Save As window that opens, browse to the folder on your computer where you want to save your firmware file, and click Save. The firmware installation file is placed on your computer disk. Installing the Firmware Loader Before you can update your MLC 52 firmware, you must have the Firmware Loader program installed on your computer.
  • Page 110 Serial Communication, cont’d Locate and select the new firmware file. Firmware files are extracted to the following location: c:\Program Files\Extron\Firmware\MLC 52\ MLC_52_19_1691_50_vx_xx.s19, where vx_xx is the firmware version number. Firmware update files have a .s19 extension; make sure that the “Files of type“...

  • Page 111: Using Simple Instruction Set (Sis ) Commands

    Using Simple Instruction Set (SIS Simple Instruction set (SIS) commands can be entered on your PC to find out more information about the MLC 52. Host-to-MLC communications SIS commands consist of one or more characters per field. No special characters are required to begin or end a command sequence.

  • Page 112: Symbol Definitions

    Serial Communication, cont’d Symbol definitions = CR/LF (carriage return/line feed) (hex 0D 0A). = CR (carriage return only) (hex 0D). = Space. • = Escape key. = Firmware version number (X.XX format) = Display power status (0 through 3). 0 = display power is off. 1 = display power is on.
  • Page 113 MLC 52 Series MediaLink Controllers • Serial Communication 5-53...

  • Page 114: Command/Response Table For Advanced Instructions (For The Mlc 52 Configuration Program)

    Serial Communication, cont’d Command/response table for advanced instructions (for the MLC 52 configuration program) Data downloads and uploads are initiated by sending a series of hexadecimal commands to the configuration port of the MLC. The Windows-based configuration program uses these commands mainly to load and save driver data and system configuration settings.

  • Page 115: Appendix A • Specifications, Part Numbers, And Accessories

    MLC 52 Series A ppendix A Specifications, Part Numbers, and Accessories Specifications Part Numbers and Accessories...
  • Page 116 Specifications, Part Numbers, and Accessories Specifications Control/remote — MLC controller host ports Serial control port ... 1 front panel 2.5 mm mini stereo jack (tip-ring-sleeve) Baud rate and protocol ... 9600 baud, 8 data bits, 1 stop bit, no parity Serial control pin configurations Mini stereo jack: tip = TX, ring = RX, sleeve = GND Program control ...

  • Page 117: Included Parts

    Product weight MLC 52 RS, MLC 52 IR ... 0.2 lb (0.1 kg) MLC 52 RS VC, MLC 52 IR VC 0.3 lb (0.1 kg) Shipping weight ... 3 lbs (2 kg) Vibration ... ISTA 1A in carton (International Safe Transit Association) Listings ...

  • Page 118: Optional Accessories

    Specifications, Part Numbers, and Accessories, cont’d Optional accessories These items can be ordered separately: Mounting hardware One-gang EWB external wall box (black, white) One-gang junction box, 2.5” deep One-gang SMB surface mount box (black only) Two-gang EWB external wall box (black, white) Two-gang junction box, 2.5”...

  • Page 119: Appendix B • Templates

    MLC 52 Series A ppendix B Templates MLC 52 IR and MLC 52 RS Template MLC 52 IR VC and MLC 52 RS VC Template...

  • Page 120: Mlc 52 Ir And Mlc 52 Rs Template

    Templates Use the rough-in templates in this appendix as guides to measure and mark the hole in the wall or furniture through which the MLC 52 will be mounted. The templates provide measurements for installing the controller with either an electrical box or a mounting bracket.

  • Page 121: Mlc 52 Ir Vc And Mlc 52 Rs Vc Template

    MLC 52 IR VC and MLC 52 RS VC Template Cut-Out Template for Extron's 2.91" 4.50" (7.40 cm) (11.43 cm) SURFACE CUT-OUT FURNITURE MOUNT MLC 52 IR VC and MLC 52 RS VC cutout template MLC 52 VC (Front View) 4.60"...
  • Page 122 Templates, cont’d MLC 52 Series MediaLink Controllers • Templates...
  • Page 123 Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 124 Extron Electronics, USA 1230 South Lewis Street Anaheim, CA 92805 800.633.9876 714.491.1500 FAX 714.491.1517 www.extron.com Extron Electronics, Asia Extron Electronics, Europe 135 Joo Seng Rd. #04-01 Beeldschermweg 6C PM Industrial Bldg., Singapore 368363 3821 AH Amersfoort, The Netherlands +800.7339.8766 +65.6383.4400 +800.3987.6673 +31.33.453.4040 FAX +65.6383.4664 FAX +31.33.453.4050...

This manual is also suitable for:

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