Instruction/ maintenance manual of the product MLS 406SA Extron electronic
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MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, MLS 406SA MediaLink ™ Switchers 68-775-01 Rev . C 06 06.
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.
Qu ic k St ar t — M LS 3 04 MA , MLS 4 06 , ML S 40 6MA Installation Step 1 Remove power from the switcher and the input, output, and control devices. Step 2 Install the rubber feet on the bottom corners or rack mount the switcher . Step 3 Connect input devices to the switcher .
Quick Start — MLS 304MA, MLS 406, MLS 406MA, cont’d Step 8 Connect all the devices’ power cords, and power on the system. V ideo Configuration Step 1 Vi a RS -2 32 , c on fig ur e th e ML S: s el ec t th e vi de o ty pe for 15-pin HD inputs; See chapters 2, Installation and 4, Serial Communication .
i MLS 304 Series, MLS 406 Series • T able of Contents T able of Contents PRELIMINAR Y Chapter 1 • Introduction ............................................................................................................ 1-1 About this Manual .....
ii MLS 304 Series, MLS 406 Series • T able of Contents T able of Contents, cont’d PRELIMINAR Y 68-775-01 Rev . C 06 06 All tr ademarks mention ed in th is manua l are th e proper ties of t heir res pective owners. Remote Control ..................
MLS 304 Series and MLS 406 Series 1 Chapter One Intr oduction About this Manual About the MLS 304 Series and MLS 406 Series Features.
MLS 304 Series, MLS 406Series • Introduction 1-2 Intr oduction About this Manual This manual covers the installation, setup, programming, and use of the Extr on MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, and MLS 406SA MediaLink ™ switchers. The three models shar e many features, and instructions apply to all three unless otherwise stated.
MLS 304 Series and MLS 406 Series 2 Chapter T wo Installation UL/Safety Requirements Mounting the Switcher Rear Panels and Cabling Application Diagrams.
MLS 304 Series, MLS 406 Series • Installation 2-2 Installation PRELIMINAR Y UL/Safety Requir ements The Underwriters Laboratories (UL) requir ements listed below pertain to the safe installation and operation of a MediaLink Switcher . Important Safety Instructions 1 .
2-3 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y Mounting the Switcher T abletop use Each MLS switcher comes with rack mounting brackets and rubber feet. For table- top use, attach a self-adhesive rubber foot to each corner of the bottom of the unit.
MLS 304 Series, MLS 406 Series • Installation 2-4 Installation PRELIMINAR Y Rear Panels and Cabling Power , input, and control connections AUDIO INPUTS LINE LEVEL MONO AUDIO AUDIO AUX/MIX ADJUST -42dB TO +24dB L R L R 1 2 INPUTS OUTPUTS VIDEO H V B G R 1 2 INPUTS 3 4 MONITOR OUT 100-240V 1.
2-5 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y Ö MLS 406, MLS 406MA, MLS 406SA audio input 4 (captive screw) — This input accepts line level audio signals from consumer and pr ofessional audio sources. Consumer devices such as laptops, VCRs, and DVD players typically output an unbalanced -20 dBV to -10 dBV signal.
Installation, cont’d MLS 304 Series, MLS 406 Series • Installation 2-6 PRELIMINAR Y For these inputs (excluding input 4 on the MLS 406/MLS 406MA/MLS 406SA), connect the corresponding unbalanced ster eo audio signal to the 3.5 mm mini stereo (tip-ring-sleeve) jack.
2-7 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y RS-232/MLC/IR Tx Rx IR 12V A B C T ransmit (Tx) Receive (Rx) Sleev e(s) +12 V , 0.4 A power output Ground ( ) Control connection f RS-2.
Installation, cont’d MLS 304 Series, MLS 406 Series • Installation 2-8 PRELIMINAR Y RS-232 MLC/IR MediaLink Switcher to an MLC MediaLink Switcher rear panel RS-232/MLC/IR port NO TE The switcher provides up to 12 VDC, 0.40 A power to an MLC 206. Other MLC models may draw more curr ent than the MLS can provide.
2-9 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y Video output, local monitor , and audio output connections AUDIO INPUTS LINE LEVEL MONO AUDIO AUDIO AUX/MIX ADJUST -42dB TO +24dB L R L R 1 2 INPUTS OUTPUTS VIDEO H V B G R 1 2 INPUTS 3 4 MONITOR OUT 100-240V 1.
Installation, cont’d MLS 304 Series, MLS 406 Series • Installation 2-10 PRELIMINAR Y • The Preamp connector outputs a variable, line level audio signal for use with a powered amplifier or self-power ed speakers. The volume can be controlled (attenuated) via the fr ont panel knob or RS-232 communication.
2-11 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y The MA models’ amplifier power-up delays are appr oximately • 10 seconds for 70 V or 100 V output, 8 seconds to hear the relay cl.
Installation, cont’d MLS 304 Series, MLS 406 Series • Installation 2-12 PRELIMINAR Y Wiring for a 70 volt or 100 volt distributed speaker system (MA models) C The speaker taps should not exceed the amplifier ’ s maximum power output. N The maximum power output when the MLS is wired for 70 volt or 100 volt systems is 16 watts.
2-13 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y l Amplified output (MLS 304SA, MLS 406SA only) — Cable speakers to this 5-position screw terminal for either ster eo or dual mono amplified audio output. The switcher ’s default setting is stereo output.
Installation, cont’d MLS 304 Series, MLS 406 Series • Installation 2-14 PRELIMINAR Y C Do not short the terminals to ground or the amplifier will be damaged. Do not connect anything to the middle position of the 5-position screw terminal; it is not connected to ground.
2-15 MLS 304 Series, MLS 406 Series • Installation PRELIMINAR Y Application Diagrams Extron MLS 304MA MediaLink Switcher R 100-240 V 1.0A M A X . 50-6 0 H z AUD IO INPUTS LIN E LEVEL MONO AUD IO AUD.
Installation, cont’d MLS 304 Series, MLS 406 Series • Installation 2-16 PRELIMINAR Y RS-232/M LC/IR Tx Rx IR 12V A B C PREAMP 100-240V 1.0A M AX . 50-60H z AUD IO INPUTS LINE LEVEL MONO AUDIO AUD .
MLS 304 Series and MLS 406 Series 3 Chapter Thr ee Operation and Setup Front Panel Features and Operation Setting Up and Optimizing the Audio Video Signal Routing Remote Control T roubleshooting.
MLS 304 Series, MLS 406 Series • Operation and Setup 3-2 Operation and Setup PRELIMINAR Y Fr ont Panel Features and Operation VOLUME MAX MID MIN INPUT SELECT 1 2 3 4 5 6 VOLUME MAX MID MIN INPUT SELECT 1 2 3 4 2 1 MLS 304 Series Front Panel MLS 406 Series Front Panel 3 N The MLS 304MA and MLS 304SA have identical front panel featur es.
3-3 MLS 304 Series, MLS 406 Series • Operation and Setup PRELIMINAR Y • In setup mode these LEDs function as input level indicators. Rotate the V olume knob and observe the LEDs to set up the proper audio input levels. MAX MID MIN Signal : when lit this LED indicates that a signal of at least -20 dBV (-18 dBu) is detected at the input.
Operation and Setup, cont’d MLS 304 Series, MLS 406 Series • Operation and Setup 3-4 PRELIMINAR Y Enabling/disabling executive mode 1; disabling executive mode 2 Press and hold input selection buttons 1 and 4 simultaneously for 3 seconds as shown below .
3-5 MLS 304 Series, MLS 406 Series • Operation and Setup PRELIMINAR Y Configuring Lineout and Preamp output levels Before adjusting any input levels, you must select an output level fr om the following options. Y ou do not need to change the output level if the Lineout and Preamp outputs will not be used.
Operation and Setup, cont’d MLS 304 Series, MLS 406 Series • Operation and Setup 3-6 PRELIMINAR Y Making adjustments Leave the bass and treble set to 0 and the loudness contr ol set to off (default) befor e adjusting the input level (sensitivity).
3-7 MLS 304 Series, MLS 406 Series • Operation and Setup PRELIMINAR Y V ideo Signal Routing The input’s signal format (RGB, S-video, or composite video) determines where the signal is output. Composite video signals are always output on the V ideo BNC connector .
Operation and Setup, cont’d MLS 304 Series, MLS 406 Series • Operation and Setup 3-8 PRELIMINAR Y Remote Contr ol The MediaLink Switcher can be controlled by using its fr ont panel controls; an op.
3-9 MLS 304 Series, MLS 406 Series • Operation and Setup PRELIMINAR Y T roubleshooting Power on the input and output devices and the switcher . The image should appear on the screen, and sound should be audible. If the image does not appear or there is no sound 1 .
Operation and Setup, cont’d MLS 304 Series, MLS 406 Series • Operation and Setup 3-10 PRELIMINAR Y If you are unable to configur e the MLS via the Windows ® -based software 1 . Check the MediaLink Control Softwar e to determine its version number .
MLS 304 Series and MLS 406 Series 4 Chapter Four Serial Communication RS-232 Programmer’ s Guide Control Software for Windows.
MLS 304 Series, MLS 406Series • Serial Communication 4-2 Serial Communication PRELIMINAR Y RS-232/MLC/IR Tx Rx IR 12V A B C T ransmit (Tx) Receive (Rx) Sleev e(s) +12 V , 0.
4-3 MLS 304 Series, MLS 406Series• Serial Communication PRELIMINAR Y ASCII to HEX Con version T able • ASCII to Hex conversion table X( = Adjustment range (0 – 14) (-10.5 dB – +10.5 dB in 1.5 dB steps) 0 = -10.5 dB 1 = -9.0 dB 2 = -7.5 dB 3 = -6.
Serial Communication, cont’d MLS 304 Series, MLS 406Series • Serial Communication 4-4 PRELIMINAR Y Command/response table for SIS commands Command A S C I I C o m m a n d Response Additional description (host to switcher) (switcher to host) Input selection Select an input (audio and video).
4-5 MLS 304 Series, MLS 406Series • Serial Communication PRELIMINAR Y Increment the volume. +V V ol X1) ] Increase audio output. Decrement the volume.
Serial Communication, cont’d MLS 304 Series, MLS 406Series • Serial Communication 4-6 PRELIMINAR Y V iew the executive mode status. X Exe X1@ ] Show executive mode status. Example : X Exe0 ] Executive mode is of f. Firmware version, part number & information r equests Query firmware version number .
4-7 MLS 304 Series, MLS 406Series • Serial Communication PRELIMINAR Y Command/response table for special function SIS commands The syntax for setting a special function is __ * X? #, where __ is the function number and X? is the value. T o view a function’s setting, use __#, wher e __ is the function number .
Serial Communication, cont’d MLS 304 Series, MLS 406Series • Serial Communication 4-8 PRELIMINAR Y Contr ol Software for Windows The included Extron MediaLink Contr ol Program for W indows offers another way to control the switcher via RS-232 connection in addition to the Simple Instr uction Set commands.
4-9 MLS 304 Series, MLS 406Series • Serial Communication PRELIMINAR Y User Mode Screen The User Mode screen, shown below , includes the most frequently used controls: it emulates the front panel for basic functions (input selection, volume contr ol).
Serial Communication, cont’d MLS 304 Series, MLS 406Series • Serial Communication 4-10 PRELIMINAR Y Switcher (MLS) Config Screen The Switcher (MLS) Config screen, shown below , allows you to make adjustments without having to use the front panel contr ols.
4-11 MLS 304 Series, MLS 406Series • Serial Communication PRELIMINAR Y On the switcher (MLS) Config Screen you can: • Set the per-input audio level by adjusting the Audio Input Level slider bar until the output sounds right or measures corr ectly for maximum power output.
Serial Communication, cont’d MLS 304 Series, MLS 406Series • Serial Communication 4-12 PRELIMINAR Y File menu options Saving and restoring configurations The MLS can be configured by various mea.
4-13 MLS 304 Series, MLS 406Series • Serial Communication PRELIMINAR Y 4. From the File pulldown menu in the upper -left corner , select Update Firmware. The MediaLink Control Softwar e closes, and a separate utility program opens and displays a window indicating the current firmwar e version.
Serial Communication, cont’d MLS 304 Series, MLS 406Series • Serial Communication 4-14 PRELIMINAR Y Using the help program For information on program featur es, press the F1 computer key , click o.
MLS 304 Series and MLS 406 Series A Appendix A Refer ence Material Specifications Part Numbers and Accessories Frequency Response Graph for the Loudness Feature Audio Reference Levels Audio Block Dia.
MLS 304 Series, MLS 406 Series • Reference Material A-2 PRELIMINAR Y Refer ence Material Specifications Video Gain ................................................ Unity Bandwidth ..................................... 280 MHz (-3 dB) Differ ential phase error .
A-3 MLS 304 Series, MLS 406 Series • Reference Material PRELIMINAR Y Nominal level ................................ 1 Vp-p for Y of S-video, and for composite video 0.7 Vp-p for RGB 0.3 Vp-p for C of S-video (MLS 406 Series) Minimum/maximum levels RGB .
Refer ence Material, cont’d MLS 304 Series, MLS 406 Series • Reference Material A-4 PRELIMINAR Y Included parts Audio input Number/signal type MLS 304 Series ................... 4 stereo, unbalanced 1 Aux/Mix balanced/unbalanced mono (nonswitchable) MLS 406, Series .
A-5 MLS 304 Series, MLS 406 Series • Reference Material PRELIMINAR Y Maximum power output Direct (4/8 ohm) ................ 20 watts max. (continuous) T ransformer (70/100 V) .... 16 watts max. (continuous), transformer coupled Protection ..........
Refer ence Material, cont’d MLS 304 Series, MLS 406 Series • Reference Material A-6 PRELIMINAR Y Included parts Part Numbers and Accessories These items are included in each or der for an MLS swit.
A-7 MLS 304 Series, MLS 406 Series • Reference Material PRELIMINAR Y Fr equency Response Graph for the Loudness Feature The following graph repr esents the frequency r esponse of these MLS models when the loudness feature has been turned on. +10 +8 +6 +4 +2 +0 -2 -4 -6 -8 20 50 100 200 500 1k 2k 5k 10k 20k 1 W 3 W 6 W 14 W 0.
Refer ence Material, cont’d MLS 304 Series, MLS 406 Series • Reference Material A-8 PRELIMINAR Y Audio Block Diagrams MLS 304MA audio block diagram IN P U T S E L E C T ( L E F T C H A N N E L ) I.
A-9 MLS 304 Series, MLS 406 Series • Reference Material PRELIMINAR Y MLS 304SA audio block diagram IN P U T S E L E C T ( L E F T C H A N N E L ) IN P U T S E L E C T ( R I G H T C H A N N E L ) MUX.
Refer ence Material, cont’d MLS 304 Series, MLS 406 Series • Reference Material A-10 PRELIMINAR Y INPUT SELECT (LEFT CHANNEL) SWITCHABLE INPUTS MUX +4 +4 -10 -10 MUX +4 +4 -10 -10 + - + - + - MUX .
A-11 MLS 304 Series, MLS 406 Series • Reference Material PRELIMINAR Y MLS 406SA audio block diagram INPUT SELECT (LEFT CHANNEL) SWITCHABLE INPUTS MUX +4 +4 -10 -10 MUX +4 +4 -10 -10 + - + - + - MUX .
Refer ence Material, cont’d MLS 304 Series, MLS 406 Series • Reference Material A-12 PRELIMINAR Y This page was deliberately left blank.
FCC Class A Notice 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 pr ovide reasonable protection against harmful interfer ence when the equipment is operated in a commercial environment.
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An important point after buying a device Extron electronic MLS 406SA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Extron electronic MLS 406SA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Extron electronic MLS 406SA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Extron electronic MLS 406SA you will learn all the available features of the product, as well as information on its operation. The information that you get Extron electronic MLS 406SA will certainly help you make a decision on the purchase.
If you already are a holder of Extron electronic MLS 406SA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Extron electronic MLS 406SA.
However, one of the most important roles played by the user manual is to help in solving problems with Extron electronic MLS 406SA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Extron electronic MLS 406SA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
