Extron electronic MLC 62 IR D manual Replacing the MLC 64 volume control knob

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Removing and replacing the MLC 64 VCM module knob and faceplate

The MLC 64 is provided with one black and one white VCM faceplate and volume control knob. You can change the faceplate, knob, or both on the volume control module as described in the following procedures.

Replacing the MLC 64 volume control knob

NOTE: It is not necessary to remove the faceplate or the board from the wallplate in order to replace the knob.

1.Rotate the knob to its lowest setting (the dot on the knob should be aligned with the bottom edge of the volume icon on the faceplate) to line up the notch in the edge of the knob with the notch in the edge of the hole in the faceplate, enabling you to access the hex screw on the knob.

2.Insert the small Allen wrench (provided) into the opening created by the two notches, until it stops.

3.Give the Allen wrench a one-half turn counterclockwise to loosen the hex screw holding the knob.

Use Allen Wrench to Loosen Screw

Turn Knob to

Expose Screw

MUTE

VOLUME

Figure 16. Removing the Volume Knob

4.Lift off the knob.

5.Press the new knob onto the spindle of the VCM, making sure that the spindle is turned all the way to the left and that the dot on the knob is aligned with the bottom edge of the volume icon on the faceplate.

6.Tighten the hex nut by inserting the Allen wrench and giving it one-half turn clockwise.

Replacing the MLC 64 volume control module faceplate

To change the faceplate on the MLC 64 volume control module, you must remove the volume control module from the wallplate.

1.Remove the volume control knob from the faceplate (see “Replacing the MLC 64 volume control knob,” steps 1 through 4, above).

2.At the center top and bottom of the faceplate are tabs, which insert into slots on the

VCM module board and hold its faceplate in place. For each tab:

a.Insert the flat end of the provided Extron Tweeker or other small screwdriver into the hole above or below the tab (see the illustration on the next page).

b.Pressing each tab in and up, pry the top and bottom of the faceplate away from

the board.

MLC 60 Series MediaLink Controllers • Features, Installation, and Operation

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Contents MLC 60 Series Safety Instructions English FCC Class a Notice Conventions Used in this Guide Software CommandsNotifications Contents MLC 60 Series MediaLink Controllers Contents About the MLC 60 Series MediaLink Controllers About This GuideMLC Models MLC 62 RS EU Faceplate alternatives FeaturesVolume adjustment Application Diagrams MLC Configuration Software Device DriversMLC 62 IR D Controlling a Projector Extron System RequirementsInstallation Overview Features Installation, OperationMLC D Front Panels Front and Left Side PanelsMLC 64 RS VC D front panel MLC 62 D front panelsControls behind the wallplate MLC 62 RS EU and MLC 62 RS MK Front and Side PanelsFront panel features Buttons MLC 60 Series D Models Rear Panels Rear Panel FeaturesPort B IR/S MLC 64 RS VC D Volume Control Module Rear Panel Rear Panel Features on MLC 62 RS EU and MLC 62 RS MK OnlyRemoving and Replacing the Faceplates InstallationRemoving and replacing an MLC D faceplate Removing the Faceplate MLC 60 Series D Models Replacing the MLC 64 volume control knob Removing and replacing the MLC 62 RS EU and MK faceplates Removing the MLC 64 Volume Control Module FaceplateReplacing the Faceplate MLC 62 RS EU Replacing ButtonsConnecting to Port a RS-232 Wiring for RS-232 Control RS Models OnlyConnecting to Port B IR/S Wiring the Relays Port RS Models Only Wiring for IR ControlMLC Wiring the Digital Input Port RS Models OnlyConnecting a Two-position Switch to the Digital Input Port Wiring the Host/Config PortConnecting Power to the MLC Wiring the Volume Control Module MLC 64 RS VC D OnlyConnecting a Power Supply to an MLC Configuring the MLC via the USB PortUSB Port Connection for MLC 62 RS EU and MLC 62 RS MK Page IR Learning on an MLC D Model IR LearningMounting an MLC 62 D Mounting the MLC 60 Series ControllersMounting an MLC 62 D to an electrical junction box Mounting an MLC 62 D to a Decora Mounting Bracket Mounting an MLC 62 D to a Decora Mounting BracketMounting an MLC 64 RS VC D to an electrical junction box Mounting the MLC 64 RS VC DMounting an MLC 64 D to a Two-gang Decora Mounting Bracket Mounting an MLC 64 RS VC D to a Decora Mounting BracketMounting the MLC 62 RS EU to an Electrical Box Mounting the MLC 62 RS EU and the MLC 62 RS MKMounting the MLC 62 RS MK to an External Electrical Box Mounting the MLC EU in a Raceway Using Spacers OptionalMounting the MLC 62 RS EU Using a Spacer Accessing the Covered MLC D Front Panel Features Accessing Covered Panel Features After MountingFront Panel Security Lockout Locking Using the Front Panel ButtonsResetting to the default configuration Resetting the MLC Using the Reset ButtonResetting to the factory firmware defaults Computer System Requirements About the MLC Configuration ProgramDownloading and Installing the Software from the Web Installing the Configuration SoftwareInstalling the Software from the DVD Start Options Window Starting the Configuration SoftwareAdd Device Window with Select Model Menu Displayed Accessing the Help File Obtaining Device Drivers Downloading Drivers Using the Configuration ProgramDriver Subscription Window Driver Subscription Download Screen Drivers Tab and Button on the Software DVD Opening Screen Downloading Drivers from the DiscTo download the driver package MLC 60 Device Drivers Page on DVDSaving a Single Driver to the Computer To download a single driverDownloading Drivers from the Web Entering MLC 60 Series Driver Search Criteria Host-to-Controller Communications Error ResponsesController-initiated Messages Symbol Definitions Using the Command and Response TableX2# X2% MLC 60 Series MediaLink Controllers SIS Control Command Ascii Command Response Additional Description Command and Response Table for SIS CommandsButton Selection Relay Functions RS models only Front Panel Lockout Executive ModeDigital Input Data Port RS models only Device NamingInformation Requests Reset/Erase= Button row 4, second LED = Button row 4, third LED Query LED statusMLC 62 Series Specifications SpecificationsGeneral Control digital input monitoring port RS modelsMLC 62 RS EU EMI/EMC MLC 64 RS VC D Specifications MLC 64 RS D Warranty Included Parts Replacement Part Number Part Numbers and AccessoriesIncluded Parts MLC 62 RS EU MLC 64 RS VC D Accessories Part Number For Model AccessoriesEurope, Africa, and the Middle China East USA, Canada, South America Japan Central AmericaAsia Middle East Europe
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