Extron electronic MPS 112CS manual Microphone controls

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Operation, cont’d

Program audio mute

To mute the program audio output, press the Program Audio Mute button. The indicator LED to the right of the button will light when the program audio is muted. Press the Program Audio Mute button again to unmute the output. Program audio mute does not mute the microphone.

Microphone controls

Turn mic or phantom power on/off

To turn on the microphone power (15 V on the MPS 112, 48 V phantom power on the MPS 112CS), press and hold the Mode button for more than 2 seconds until the front panel LEDs change to view mode, then press and release the Mic Power On/ Off button. On both switchers, while the Mode button is pressed, the fourth LED of the Video/Audio group is lit when the mic power is on. On the MPS 112CS, the Phantom Power LED on the rear panel is also lit when the phantom power is on. Release the Mode button when the power has been turned on or off (the LED will resume input indication).

Mic mix

To mix the microphone input with the program audio output (“talk-over” mode), press the Mic Mix button. The indicator LED to the right of the button will light when the Mic Mix is on. Press the Mic Mix button again to unmix the output. In “talk-over” mode, the main audio level is lowered when the microphone picks up speech.

Mic volume

After turning on the mic mix, use the Mic Volume control knob to adjust the volume of the microphone output. When the volume control knob is turned, the volume will increase at a rate of 1 dB per step of the digital potentiometer.

Reset mic volume

To reset the mic volume to the default level (0 dB), press and hold the Mode button, then press and release the third button (labeled Mic Vol. Reset) of the Video/Audio group within two seconds. Release the Mode button when the volume has been reset.

Setting mic “talk-over” threshold

1.Finish installation wiring and setup as described on the previous sections.

2.Turn on the microphone by pressing the Mix button.

3.Speak into the microphone in a normal voice; the main program audio level should drop moderately. If not, lower the threshold by pressing and holding the Mix button and turning the Mic Volume knob counterclockwise.

4.Stop speaking into the microphone; the main program audio should recover to the previous level after approximately four seconds. If not, increase the threshold by pressing and holding the Mix button and turning the Mic Volume knob clockwise.

3-6 MPS 112 Series • Operation

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Contents Media Presentation Switchers MPS 112 and MPS 112CSConsignes de Sécurité Français PrecautionsSafety Instructions English Sicherheitsanleitungen DeutschRS-232 remote connector pinout table RS-232 remote connectorConnecting the MPS switcher Quick Start MPS SeriesQuick Start MPS Series, cont’d Optimizing the audioTable of Contents Table of Contents, cont’d One IntroductionAbout the MPS Series MPS Series FeaturesIntroduction MPS Series IntroductionInstallation TwoMPS Series Installation InstallationMounting the Switcher Rack mountingRear Panel Connectors Through-desk mountingInstallation, cont’d Connecting the MPS SwitcherMPS 112 installation example Connecting the 1/4 6.3 mm microphone connector MPS Connecting the RCA audio connectorsConnecting the 3.5 mm mini-plugs Audio input and output3.5 mm, 3-pole captive screw microphone connector Program audio output MPS 112CSRemote connection Three OperationVideo/audio group buttons Front Panel FeaturesOperation Microphone and Program Audio controlsSwitcher Mode controls Input selection in Single Switcher modeInput selection in Separate Switcher mode Front Panel OperationDetermining and selecting the switcher mode View modeOperation, cont’d Front panel security lockout Executive mode Program audioMicrophone controls Four Windows-based Control ProgramWindows-based Control Program Installing the Windows-based Control SoftwareUsing the Software MPS Series Windows-based Control ProgramUploading Firmware Updates MPS Control Program File menuFirmware update confirmation window Windows-based Control Program, cont’dFive Programmer’s GuideProgrammer’s Guide Remote Control Port RS-232MPS switcher-initiated messages Host-to-MPS CommunicationsUsing the command/response table MPS switcher error responsesSymbol definitions Command Ascii Command Response Additional description Command/response table for SIS commandsProgrammer’s Guide, cont’d Command Ascii Command Response Description Special functionsUploading firmware to the MPS via an SIS command MPS Series Programmer’s Guide Programmer’s Guide, cont’d AAppendix a Reference InformationVideo SpecificationsReference Information Video inputAudio individual audio groups VGA, S-video, composite video SyncMPS Series Reference Information A-3 Audio output program audio Reference Information, cont’dAudio program audio Microphone inputGeneral Control/remote switcherMPS Series Reference Information A-5 Included parts Optional accessoriesPart Numbers CablesPre-cut cables Mini High Resolution Cable Part numberAssorted connectors BNC connectors Part number BNC-4 Mini HR Cable Part numberReference Information, cont’d FCC Class a Notice Extron’s Warranty Extron Electronics, USA
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MPS 112CS, MPS 112 specifications

Extron Electronics is a recognized leader in professional AV system integration, and its MPS 112 and MPS 112CS are prime examples of their commitment to delivering quality performance and user-friendly interfaces. These Multi-Format Presentation Switchers are designed to enhance the quality and efficiency of presentations in any environment, making them ideal for classrooms, meeting rooms, and other venues.

The MPS 112 is a versatile switcher that can handle various input types, accommodating multiple AV devices. It features a selection of input connectors, including HDMI, VGA, and audio connections, allowing users to seamlessly integrate laptops, document cameras, and other multimedia sources. This multi-format capability ensures that presenters can connect their devices with minimal hassle, fostering a smooth presentation experience.

One of the standout features of the MPS 112 is its built-in scaling technology. This presents a significant advantage by enabling the output resolution to be adjusted according to the capabilities of the display devices connected, ensuring compatibility and optimal visual quality. Furthermore, the device supports automatic input switching, which intelligently selects the active source, simplifying the switching process during presentations.

With the MPS 112CS, Extron has introduced a model equipped with additional functionalities, including integrated audio amplification and support for microphone inputs. This model is designed to be even more user-friendly, catering to environments where audio support is crucial. Its built-in amplifier can drive speakers directly, reducing the need for external audio equipment while maintaining high-quality sound output.

Both models come with Extron’s exclusive Simple Instruction Set (SIS) technology, allowing for quick setup and configuration. This feature ensures that users can manage the switcher effortlessly, decreasing the likelihood of technical difficulties during presentations. Additionally, the MPS 112 and MPS 112CS both come with an intuitive front panel, complete with buttons for source selection and volume control, promoting an accessible user experience.

In terms of build quality, Extron devices are known for their reliability and durability, and the MPS series is no exception. Housed in a robust chassis, these switchers are designed to withstand the rigors of regular use while providing consistent performance.

In conclusion, the Extron MPS 112 and MPS 112CS are sophisticated yet user-friendly AV presentation switchers equipped with essential features for effective multi-source presentations. With their advanced technologies, versatile inputs, and reliable performance, they continue to be valuable assets in professional AV setups.
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