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MLS 304 Series, MLS 406Series • Introduction
1-2
Introduction
About this Manual
This manual covers the installation, setup, programming, and use of the Extron
MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, and MLS 406SA MediaLink
™
switchers. The three models share many features, and instructions apply to
all three unless otherwise stated. Throughout the manual these switchers are
interchangeably referred to as MLS, MediaLink switcher, and switcher. Procedures
or explanations that are model-specific mention the model name (e.g. MLS 406MA).
About the MLS 304 Series and the MLS 406 Series
The Extron MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, and MLS 406SA
are four- and six-input, active switchers. They accept RGB computer video (all
models), S-video (MLS 406 Series), composite video inputs (all models), stereo
audio inputs, and a line level mono audio auxilliary/mixer input.
Each switcher has a local monitor loop-through/output in addition to the RGB
and video projector/plasma display output and balanced or unbalanced lineout
and preamp audio outputs. If desired, the monitor output can be used as a second
RGB display output instead of for a local monitor. Additionally, the MA models
offer amplified mono audio output for 4 ohm, 8 ohm, or distributed 70 V or 100 V
speaker systems. The SA models offer amplified stereo audio output for 4 ohm or
8 ohm speaker systems.
These switchers can all be set up and controlled via the front panel buttons or via
an RS-232 connection from a computer, a control system, or an Extron MediaLink
Controller. Some setup options are available only via the included Windows-based
MediaLink Control Program. With the addition of an optional Extron IR Link
infrared signal repeater, an Extron MediaLink IR remote control can be used for
input selection and volume adjustment.
Features
All models
• High RGB video bandwidth (280 MHz at -3 dB)
• Triple-Action Switching
™
(RGB delay switching)
• Video format versatility: the switchers accept RGB computer video, S-video
(MLS 406, MLS 406MA, MLS 406SA), and composite video
• Monitor Output for local monitor loop-through or for an additional RGB output
• Aux/Mix audio input for mixing mono line level audio with the switchable
audio input
• Adjustable audio bass, treble, and volume
• Individually adjustable audio input levels
• Balanced or unbalanced preamp audio output
• Loudness control
• Ability to lock the front panel to prevent unauthorized access (executive mode)
• Control and configuration via RS-232
• Ventilated 1U, rack mountable, metal enclosure
MA models
• Integrated 20 watt mono audio amplifier for 4 ohm or 8 ohm, or 16 watts for 70 V
or 100 V distributed output
SA models
• Integrated 24 watt audio amplifier for stereo or dual mono 4 ohm output or
16 watts for stereo or dual mono 8 ohm output