Operation

Front Panel Features and Operation

MLS 100 Series Front Panel (all models)

MLS 100 Series

	INPUT SELECT		AUX/MIX
			LEVEL
1	2	3	4

MediaLink Switcher

All the MLS 100 Series switchers share the same front panel design, shown above.

1Input 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, described in chapter 4), audio is switched separately from video; the selected video input’s LED lights steadily, and the audio input’s LED blinks.

•The MLS 100 A accepts only audio inputs, so pressing one of these buttons selects an audio-only input.

•The MLS 103 V and MLS 103 SV offer three video inputs and four selectable audio inputs. Pressing button 1, 2, or 3 selects audio-video input 1, 2, or 3; pressing button 4 selects audio-only input 4.

•The MLS 102 VGA offers two computer-video inputs and four selectable audio inputs. Pressing button 1 or button 2 selects audio-video input 1 or 2; pressing button 3 or button 4 selects an audio-only input (3 or 4).

If you select an audio-only input (input 3 or 4 for MLS 102 VGA, input 4 for MLS 103 SV and MLS 103 V) via front panel buttons, the video signal is muted, and the selected audio input’s LED blinks.

Input 0 can be selected via RS-232 control only by using an SIS command or by selecting Mute (shown here) from the User Mode section of the control program (if the MLS is used without an MLC). Selecting input 0 mutes the audio from inputs 1 through 4.

For all models the Aux/Mix audio input is always enabled and cannot be turned on or off from the front panel. The Aux/Mix

audio does not change when you switch between the four selectable audio inputs.

The last selected input (including audio/video breakaway selec- tions) will be the active input when the MLS is powered on.

Wait at least 10 seconds between making a change (input selection or audio adjustment) and disconnecting power from the MLS. The switcher needs several seconds to store the new settings in its memory.

2Aux/Mix Level control — This potentiometer controls the auxiliary/mix audio volume. This channel’s audio is always output, no matter which, if any, other audio input (0, 1, 2, 3, 4) is selected. Use a small screwdriver to turn this control while you listen to the audio output. When the control is turned to its counterclockwise limit (-43 dB), the Aux/Mix signal is inaudible. You hear the maximum Aux/Mix volume when the control is turned to the clockwise limit (+24 dB).

Once this level is set, the Aux/Mix level remains the same no matter which input (1 through 4) is selected, and the Aux/Mix audio can be heard at that level even if the selectable audio inputs are muted or if audio input 0 is selected via RS-232 control.

The gain and attenuation for audio inputs 1 through 4 is adjustable only via RS-232 control (using SIS commands or the MediaLink Control/Configuration Software.)

The gain and attenuation for the Aux/Mix input is adjustable only via the Aux/Mix Level control.

Wait at least 10 seconds between making a change (input selection or audio adjustment) and disconnecting power from the MLS. The switcher needs several seconds to store/save the new settings in its memory.

Executive mode — enabling and disabling front panel buttons

1.To disable front panel input selection (turn executive mode on), simultaneously press input selection buttons 1 and 4 and hold them down for three seconds. All LEDs light for about one second.

2.While executive mode is on, input selection can be performed via RS-232 control or from an optional MediaLink Controller.

3.To enable front panel input selection (turn executive mode off), repeat step 1 (pressing and holding buttons 1 and 4).

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MLS 100 A, MLS 103 SV, MLS 102 VGA, MLS 103 V specifications

Extron Electronics is renowned for its innovative and high-quality AV solutions, and the MLS series, including the MLS 102 VGA, MLS 100 A, MLS 103 SV, and MLS 103 V, exemplifies the company's commitment to excellence in audio-visual integration. These MediaLink Switchers are designed to simplify the management of multiple audio and video sources in classrooms and conference rooms, providing seamless integration and user-friendly operation.

The MLS 102 VGA model focuses on VGA signals, making it a reliable choice for installations that primarily use legacy video sources. It features a simple interface with push-button controls, enabling users to easily switch between two video sources with a single VGA output. This model is ideal for educational environments where older laptops and PCs are still in use.

The MLS 100 A model adds audio capabilities to the mix, offering audio switching along with video. This switcher supports stereo audio signals, allowing educators to present multimedia content effectively. The MLS 100 A simplifies the setup for instructors, enabling them to connect different media sources without complicated wiring or extensive technical knowledge.

The MLS 103 SV and MLS 103 V models elevate functionality with their multi-format switching capabilities. The MLS 103 SV supports both VGA video and stereo audio, while the MLS 103 V is solely focused on video. Both models provide a more comprehensive solution for modern AV requirements. The MLS 103 series employs advanced signal processing technology, ensuring high performance across multiple resolutions and formats.

Additionally, the MLS 103 series incorporates features such as EDID management, which automatically configures the video output to ensure compatibility with a variety of display devices. This eliminates the need for users to worry about the technicalities, enabling a smooth, hassle-free experience.

Scalability is another key characteristic of the MLS series. These devices can be seamlessly integrated with other Extron products, allowing for an expandable AV infrastructure that meets the growing demands of technology in educational and corporate environments.

Durable construction, easy installation, and operation make the MLS series a preferred choice among AV professionals. Whether for a small meeting room or a large lecture hall, Extron's MLS 102 VGA, MLS 100 A, MLS 103 SV, and MLS 103 V models deliver flexibility, reliability, and superior performance, enhancing any audio-visual presentation.