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Manual Extron electronics System 7SC

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  • Extron electronics System 7SC - page 1

    System 7SC System Switcher 68-499-01 Rev . D Printed in the USA 06 04 ...

  • Extron electronics System 7SC - page 2

    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. Caution Read Instructions ? ...

  • Extron electronics System 7SC - page 3

    i System 7SC • Table of Contents T able of Contents Chapter 1 • Introduction ....................................................................................................... 1-1 About this Manual ............................................................................................................. 1-2 About the System 7SC ........ ...

  • Extron electronics System 7SC - page 4

    ii System 7SC • Table of Contents T able of Contents, cont’d RGB Delay (T riple-Action Switching ™ ) ............................................................................. 3-10 Scaler Blue Out ................................................................................................................ .. 3-10 Edge Smoothing ........ ...

  • Extron electronics System 7SC - page 5

    iii System 7SC • Table of Contents 68-499-01 Rev . D Printed in the USA 06 04 All trademarks mentioned in this manual are the properties of their r espective owners. Appendix A • Reference Material .................................................................................. A-1 Specifications .............................................. ...

  • Extron electronics System 7SC - page 6

    iv System 7SC • Table of Contents T able of Contents, cont’d ...

  • Extron electronics System 7SC - page 7

    System 7SC 1 Chapter One Intr oduction About this Manual About the System 7SC Features and Options ...

  • Extron electronics System 7SC - page 8

    System 7SC • Introduction 1-2 Introduction About this Manual This manual discusses how to install, operate and configure Extr on’s System 7SC switcher and how to operate the optional IR 701 infrared r emote control. For information on installing and operating related accessories, see the user ’s guides for the following products: Extr on’s ...

  • Extron electronics System 7SC - page 9

    1-3 System 7SC • Introduction The System 7SC scales composite video, S-video, and component video up to computer-video (RGBHV/RGBS/RGsB), which can be output to two display devices via individually buffer ed BNC and 15-pin HD ports. The System 7SC offers one fixed level (preamp) ster eo audio output and one variable level ster eo audio output. Re ...

  • Extron electronics System 7SC - page 10

    Introduction, cont’d System 7SC • Introduction 1-4 Features and Options Features 350 MHz (-3 dB) video bandwidth Configurable video inputs — • Inputs 1 to 6 — Six sets of 5 BNC connectors on the r ear panel accept RGBHV/RGBS/RGsB computer video, component video, S-video or composite video input, and are individually configurable. • Inpu ...

  • Extron electronics System 7SC - page 11

    1-5 System 7SC • Introduction T riple-Action Switching ™ — W ith this method, a blank screen is displayed while the System 7SC switches between inputs. Built-in video scaler — This featur e scales all composite, S-video and component video signals up to computer-video rates for output on RGB display devices. Accu-RA TE Frame Lock ™ — Th ...

  • Extron electronics System 7SC - page 12

    Introduction, cont’d System 7SC • Introduction 1-6 ...

  • Extron electronics System 7SC - page 13

    System 7SC 2 Chapter T wo Installation Mounting the Switcher Cabling and Panel Views Connecting and Slaving a Switcher Labeling Buttons on the System 7SC and SCPs ...

  • Extron electronics System 7SC - page 14

    Installation System 7SC • Installation 2-2 Mounting the Switcher T abletop use The System 7SC comes with rack mounting brackets and rubber feet. For tabletop use, attach a self-adhesive rubber foot to each corner of the bottom of the unit. Rack mounting For rack mounting, do not install the rubber feet. Attach the provided rack mounting brackets ...

  • Extron electronics System 7SC - page 15

    2-3 System 7SC • Installation SYSTEM 7SC COMPUTER S-VIDEO LR VIDEO AUDIO S-VIDEO LR VIDEO INPUT 7 CONTROL IR DISPLAY VOLUME RX LEARN TX RX ADJUST DETAIL NEXT CONT MENU BRIGHT TINT COLOR DISP PWR DISP MUTE MODE ROOM 1 ROOM 2 1234567 RS-232 PROJ CONTROL CONTA CT CLOSURE RELAY 1 RELAY 2 12 DISPLAY PWR SENSOR IR COMM RG B H/HV V INPUTS AUDIO IN SCP/A ...

  • Extron electronics System 7SC - page 16

    Installation, cont’d System 7SC • Installation 2-4 Power , video, and audio conections W ith the exception of input 7 on the front panel, all input and output connectors are on the r ear panel. Front panel inputs Input 7 on the front panel accepts video and one audio input. Only one video format and one audio port will be active at a time on th ...

  • Extron electronics System 7SC - page 17

    2-5 System 7SC • Installation Rear panel inputs CONT ACT C 12 INPUTS AUDIO IN SCP/AAP CONTROL Anaheim, CA 100 - 240 50/60 Hz 1.3A MAX. 1 LR 1 LR 2 LR 3 LR 4 LR 5 LR 6 LR 12345 FIXED VARIABLE E DC BA E DCBA R R-Y G/Y VID H/HV V B/C B-Y R R-Y G/Y VID H/HV V B/C B-Y R R-Y G/Y VID H/HV V B/C B-Y R R-Y G/Y VID H/HV V B/C B-Y R R-Y G/Y VID H/HV V B/C B ...

  • Extron electronics System 7SC - page 18

    Installation, cont’d System 7SC • Installation 2-6 3 Audio inputs 1 through 6 — Each input has a 3.5 mm, 5-pole captive screw connector for balanced or unbalanced stereo audio input. Connectors ar e included with each System 7, but the user supplies the audio cable. See the following wiring diagrams to wire a connector for the appropriate inp ...

  • Extron electronics System 7SC - page 19

    2-7 System 7SC • Installation 2 Adjustable level audio output (V ariable) — For adjustable level audio output, connect an audio device, such as an amplifier , or mixer , to this 3.5 mm, 5-pole captive screw connector . Follow the diagram and warning shown in 1 for correct wiring. See chapters thr ee and four for details on per - channel input g ...

  • Extron electronics System 7SC - page 20

    Installation, cont’d System 7SC • Installation 2-8 Control device connections Captive screw and 3.5 mm ster eo jack connectors are included with the switcher , but the installer provides the cables. RS-232 PROJ CONTROL CONT ACT CLOSURE RELA Y 1 RELA Y 2 12 DISPLAY PWR SENSOR IR COMM RG B H/HV V SCP/AAP CONTROL OUTPUTS RGB 12345 A B C D E A B C ...

  • Extron electronics System 7SC - page 21

    2-9 System 7SC • Installation 3 Room/relay ports (Relay 1, Relay 2) — These allow control of “r oom” functions – items such as room lighting, window coverings, and display screens – via momentary or latching contact. These contacts may be used to control any equipment as long as the contact specifications of a total of 24 volts at 1 amp ...

  • Extron electronics System 7SC - page 22

    Installation, cont’d System 7SC • Installation 2-10 The pin assignments are as follows: Signal Display po wer/current sensor detection Carrier & signal Gnd +12 V E D C B A W ire the connector using one of the following wiring options. D C E D C D A IR Emitter White Striped Wire Only 100' (30.5 m) (Demodulated IR) Carrier & Signal G ...

  • Extron electronics System 7SC - page 23

    2-11 System 7SC • Installation PROJ CONTROL AB C DE Tx T o / from projector FG HI J A B C D E F G H I * * * * * * Ground (Gnd, ) * T ransmit (Tx) NO TE Each projector/displa y may require diff erent wiring. For wiring details, see the UC cab le wiring and pin assignments illustration, and refer to the man ual that came with the projector . W e r ...

  • Extron electronics System 7SC - page 24

    Installation, cont’d System 7SC • Installation 2-12 Connecting and Slaving a Switcher One switcher can be connected (slaved) to the System 7SC to allow for a gr eater number of inputs. The System 7SC serves as the master switcher , communicating with and providing video output to the projector/display . The switcher (“slave”) that is connec ...

  • Extron electronics System 7SC - page 25

    2-13 System 7SC • Installation RS-232 PROJ CONTROL CONTACT CLOSURE RELAY 1 IR TRANSPORT RELAY 2 12 DISPLAY PWR SENSOR IR COMM RG B H/HV V INPUTS AUDIO IN SCP/AAP CONTROL OUTPUTS RGB Anaheim, CA 100 - 240 50/60 Hz 1.3A MAX. 1 LR 1 LR 2 LR 3 LR 4 LR 5 LR 6 LR 12345 ABC DEABC DE 67 EDCBA ABCDEFGHIJ FIXED VARIABLE ABC DE EDC BAED CB A R R-Y G/Y VID H ...

  • Extron electronics System 7SC - page 26

    Installation, cont’d System 7SC • Installation 2-14 3. For a System 8 PLUS or System 10 Plus switcher , set the slaved switcher to master mode. On the slaved System 8 PLUS or System 10 Plus switcher , locate the Addr ess DIP switches on the back panel, and set switches #1, 2, 3, 4, and 5 up. 4. Power on the slaved switcher and the System 7SC. 5 ...

  • Extron electronics System 7SC - page 27

    2-15 System 7SC • Installation Button-Label Generator software The Extron Button-Label Generator pr ogram (Buttons.exe) is included with the System 7SC, and it can also be downloaded from the Extr on W eb site (http://www .extr on.com). This program is used to cr eate and print labels that can be inserted into the illuminated pushbuttons or place ...

  • Extron electronics System 7SC - page 28

    Installation, cont’d System 7SC • Installation 2-16 Screwdriver TEXT Installing labels in the System 7SC’ s buttons Label installation for the SCPs is covered in the SCP/AAP A, SCP 200, SCP 250 User ’ s Manual . Use the following pr ocedure to install new labels in the System 7SC’s front panel buttons. 1. Remove the button from the switch ...

  • Extron electronics System 7SC - page 29

    System 7SC 3 Chapter Thr ee Operation and Configuration Front Panel Features and Basic Operation IR and RS-232 Projector Control Optimizing the System Menus, Configuration, and Adjustments Remote Control of the System 7SC ...

  • Extron electronics System 7SC - page 30

    _ System 7SC • Operation and Configuration 3-2 Control featur es 1 Display buttons: Display Power , Display Mute, Mode — Each of these thr ee buttons can be configured/pr ogrammed to perform or send either an infrared (IR) command or an RS-232 command. Dis pla y Power and Display Mute each have two memory blocks that can store 256 bytes of info ...

  • Extron electronics System 7SC - page 31

    3-3 System 7SC • Operation and Configuration Hold Pwr for 2s Display Mute Disp Mute: On Release Pwr Display P ower Disp Po wer: On Mode DISPLA Y POWER DISPLA Y MUTE MODE If Display P ower is on,... Display Mute Disp Mute: Off If Display P ower is on,... DISPLA Y MUTE Display Power button T o send a power -on command, press and hold the Display Po ...

  • Extron electronics System 7SC - page 32

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-4 Each of the Display buttons can be set up to send an IR signal immediately after sending an RS-232 signal once the button is pressed. 2 Room buttons — Room 1 and Room 2 control the r ear panel Relay ports, which control “r oom” functions–items such as room ...

  • Extron electronics System 7SC - page 33

    3-5 System 7SC • Operation and Configuration Input selection features 8 Input selection buttons — These buttons correspond to the seven inputs. When you select an input, the corresponding button lights and r emains lit until another input is selected or power is removed. The factory default (and reset default) is for input one to be active. How ...

  • Extron electronics System 7SC - page 34

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-6 IR and RS-232 Projector Contr ol The System 7SC switcher can control a pr ojector or other display device by using IR control signals or RS-232 contr ol (one-way or two-way control). The switcher must be configured for projector contr ol in one of the following way ...

  • Extron electronics System 7SC - page 35

    3-7 System 7SC • Operation and Configuration Optimizing the System For optimal performance, follow the steps in this section in order when setting up the System 7SC and its input and output devices. Setting up a DVD source T o get the best r esults when using a DVD as a video source, Extr on recommends that the DVD player itself be setup to outpu ...

  • Extron electronics System 7SC - page 36

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-8 Menus, Configuration, and Adjustments Switcher/scaler configuration and adjustments can be performed by using the W indows-based control program (see chapter 4 for details) or by using the fr ont panel controls and the menus that ar e displayed on the System 7’s ...

  • Extron electronics System 7SC - page 37

    3-9 System 7SC • Operation and Configuration Switcher Setup/Configuration The flowchart below provides an overview of the Switcher Setup/Configuration submenu and the options for each setting. Extron System 7SC SWITCHER SETUP/ CONFIGURA TION MENU NEXT Scaler output rates • See the table on the next page f or availab le combinations of resolutio ...

  • Extron electronics System 7SC - page 38

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-10 Scaler Rate (resolution and r efresh rate) Rotate the Adjust knob while in the Scaler Rate submenu to select one of the available combinations of scaler output resolutions and refr esh (vertical scanning) rates. Selecting Lock enables the patented Extron Accu-RA T ...

  • Extron electronics System 7SC - page 39

    3-11 System 7SC • Operation and Configuration Edge Smoothing This feature smooths edges of objects in a pictur e by minimizing the dif ferences between pixels. The default setting is “Y es”. Add Slave (slaving switchers) T o expand the capacity of the System 7SC to a total of up to 16 inputs, connect and configure a slave switcher . A maximum ...

  • Extron electronics System 7SC - page 40

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-12 Audio/Video Adjustments Extron System 7SC A UDIO/VIDEO ADJUSTMENTS Input #4 Config Video MENU SWITCHER SETUP/ CONFIGURA TION MENU NEXT Audio #4 Level -12.5dB NEXT NEXT NEXT Video format configurations • RGB (default) = computer video • Video = composite video ...

  • Extron electronics System 7SC - page 41

    3-13 System 7SC • Operation and Configuration Audio Level From this submenu audio levels can be adjusted per input fr om -15 dB to +9 dB in 0.5 dB increments. This allows the signal to be boosted or trimmed to a consistent output level so that there is no noticeable dif ference in level when switching between inputs. This adjustment applies to bo ...

  • Extron electronics System 7SC - page 42

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-14 IR Learning Configuration V ia an RS-232 connection, infrared commands can be downloaded into the switcher as driver files from Extr on’s W eb site. The System 7SC can also “learn” IR commands directly fr om a display’s remote contr ol. IR learning is conv ...

  • Extron electronics System 7SC - page 43

    3-15 System 7SC • Operation and Configuration Clearing IR commands from memories The memory for each Display , Room, or input selection button can either be clear (empty , no stored commands ar e associated with the button) or saved (containing an IR command that is saved in nonvolatile memory). T o clear IR commands from a button’s memory: 1. ...

  • Extron electronics System 7SC - page 44

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-16 Initiating IR learning If an IR command from the display’s r emote contr ol has not already been programmed into the System 7, a driver is unavailable, or an update is needed, IR learning is the best, fastest way to load that command into the System 7. Use the f ...

  • Extron electronics System 7SC - page 45

    3-17 System 7SC • Operation and Configuration Information/System Options The Information/System Options menu provides information on the System 7SC (firmware version and part number) and on the projector and driver . The switcher can also be reset to factory default settings via this menu. Extron System 7SC INFORMA TION SYSTEM/OPTIONS Sys 7SC V e ...

  • Extron electronics System 7SC - page 46

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-18 Color 114 ColorXXX XXX = a color adjustment setting from 0 to 255 0 = minimum 255 = maximum Input selection button COLOR Po wer on Extron System 7SC 4 sec. 4 sec. Input #1 Video Input #3 YUV 8 sec. timeout V -Shift XXX H-Shift XXX XXX = a vertical shift setting fr ...

  • Extron electronics System 7SC - page 47

    3-19 System 7SC • Operation and Configuration Remote Control of the System 7SC The System 7SC can be controlled by using its fr ont panel controls; an optional IR 701 infrared re mote control; optional SCP/AAP A, SCP 200, and/or SCP 250 remote contr ol pads; or an RS-232 control device or computer . SCP control pads The Extron SCP/AAP A control p ...

  • Extron electronics System 7SC - page 48

    Operation and Configuration, cont’d System 7SC • Operation and Configuration 3-20 System Remote Control Functions Audio Input Selection COLOR TINT CONT BRIGHT DETAIL Display Power Display Mute Mode Mute Volume ENTER SHIFT Room 1 Room 2 Image Adjustments 4 3 2 1 8 7 6 5 0 9 IR 701 IR 701 infrared r emote control The IR 701, shown at right, repli ...

  • Extron electronics System 7SC - page 49

    System 7SC 4 Chapter Four Serial Communication RS-232 Programmer’ s Guide Control Software for Windows ...

  • Extron electronics System 7SC - page 50

    System 7SC • Serial Communication 4-2 Serial Communication The System 7SC can be remotely contr olled via a host computer or other device (such as a control system) attached to the r ear panel RS-232 connector . The control device (host) can use either Extron’s Simple Instr uction Set (SIS) commands or the graphical control program for W indows ...

  • Extron electronics System 7SC - page 51

    4-3 System 7SC • Serial Communication Using the command/response tables The command/r esponse tables on the next page list valid command ASCII codes, the switcher ’s responses to the host, and a description of the command’s function or the results of executing the command. Except when setting audio gain/attenuation, upper and lower case chara ...

  • Extron electronics System 7SC - page 52

    Serial Communication, cont’d System 7SC • Serial Communication 4-4 Command/response table for SIS commands Command ASCII Command Response Additional description (host to switcher) (switcher to host) Input selection Select both video and audio X1 ! Chn X1 V ideo & audio input X1 Example : 6! Chn06 Example : select input 6 video & audio S ...

  • Extron electronics System 7SC - page 53

    4-5 System 7SC • Serial Communication Video configuration Set video signal type X5 * X4 T yp X4 = ____ Set the input signal type. (T ype = V id, Y -C, YUV , YUVp, or RGB) Example : 2*7 T yp7=YUVp Example : set input 2 to progr essive component video V iew the video signal type X5 X4 Show the video signal type. Example : 6 T yp1=V id Example ...

  • Extron electronics System 7SC - page 54

    Serial Communication, cont’d System 7SC • Serial Communication 4-6 Image size Specify image size, maintain aspect ratio X15 { Isz X1 5 Set picture height & width together . Size up, maintain aspect ratio +{ Isz X1 5 Increase height & width equally . Size down, maintain aspect ratio -{ Isz X1 5 Decrease height & width size equally . ...

  • Extron electronics System 7SC - page 55

    4-7 System 7SC • Serial Communication Command/response table for SIS commands (continued) Command ASCII Command Response Additional description (host to switcher) (switcher to host) Executive mode (front panel lockout) Disable 0X Exe0 Adjustments & selections can be made from the fr ont panel. Enable (lock image adjustments) 1X Exe1 Lock fron ...

  • Extron electronics System 7SC - page 56

    Serial Communication, cont’d System 7SC • Serial Communication 4-8 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 __#, where __ is the function number . In the following table the values of the X? variable are differ ent for each command/function. ...

  • Extron electronics System 7SC - page 57

    4-9 System 7SC • Serial Communication Command/response table for special function SIS commands (continued) Command ASCII Command Response X? values (host to switcher) (switcher to host) and additional descriptions Audio settings Audio mute on/off w/display power 10 * X? # AudMute* X? 0 = no (audio doesn’t mute when display power is off or unmut ...

  • Extron electronics System 7SC - page 58

    Serial Communication, cont’d System 7SC • Serial Communication 4-10 Command Hex. c ommand Response Additional description (host to switcher) (switcher to host) Send/receive data to/from page 0 memory Send 80 A0 [16k bytes of data] Dnl0 The host downloads 16k bytes of binary data to page 0 of the System 7’s memory . Recieve 80 A1 The System 7 ...

  • Extron electronics System 7SC - page 59

    4-11 System 7SC • Serial Communication Control Softwar e for Windows ® The included Extron SYSTEM 7SC Control Pr ogram for W indows offers another way to control the System 7 via RS-232 connection in addition to the Simple Instruction Set commands. The contr ol program’s graphical interface includes the same functions as those on the switcher ...

  • Extron electronics System 7SC - page 60

    Serial Communication, cont’d System 7SC • Serial Communication 4-12 User Mode The User Mode screen, shown here, includes the most frequently used controls: input selection, projector and room contr ols, variable output volume control, audio/video breakaway , freeze, and executive mode toggling. Special features Freeze — Activating Fr eeze cau ...

  • Extron electronics System 7SC - page 61

    4-13 System 7SC • Serial Communication Real Time Adjustments The Real T ime Adjustments screen lets you adjust the picture settings and audio gain/attenuation for each input. From this menu you can also reset some or all of the settings to the original factory-installed settings. Special features Reset to Factory Defaults — The reset features i ...

  • Extron electronics System 7SC - page 62

    Serial Communication, cont’d System 7SC • Serial Communication 4-14 Projector Driver The Projector Driver screen displays the current IR and RS-232 parameters and commands. Commands and drivers can be loaded, entered (pr ogrammed), or edited from this screen. Using this screen, commands can be associated with each input selection, display/proje ...

  • Extron electronics System 7SC - page 63

    4-15 System 7SC • Serial Communication Room & Misc. Options Use the Room & Misc. Options scr een to set room r elay modes and delay periods, power up/down delay periods, change projector communications settings, and perform other functions. Special features T ie (room relay) to Power — Enabling this featur e for room relay 1 or r oom re ...

  • Extron electronics System 7SC - page 64

    Serial Communication, cont’d System 7SC • Serial Communication 4-16 Using the help program For information on program featur es, press the F1 computer key , or click on the Help menu from within the System 7SC contr ol program, or double-click on the SYSTEM 7SC Help icon in the Extron Electr onics group or folder . For explanations of buttons o ...

  • Extron electronics System 7SC - page 65

    System 7SC A Appendix A Refer ence Material Specifications Part Numbers and Accessories Firmware Upgrade Installation Glossary ...

  • Extron electronics System 7SC - page 66

    System 7SC • Reference Material A-2 Refer ence Material Specifications Video Gain ............................................... Unity Bandwidth .................................... 350 MHz (-3 dB) Differential phase error .............. 0.01º, at 3.58 MHz and 4.43 MHz Differential gain error ................. 0.01% at 3.58 MHz and 4.43 MHz Cro ...

  • Extron electronics System 7SC - page 67

    A-3 System 7SC • Reference Material Sync Input type ..................................... RGBHV, RGBS, RGsB, RsGsBs Output type .................................. RGBHV, RGBS, RGsB, RsGsBs* (*RsGsBs will be output only if the input is RsGsBs.) Standards ...................................... TTL (RGB) NTSC 3.58, NTSC 4.43, PAL and SECAM (S-video ...

  • Extron electronics System 7SC - page 68

    Reference Material, cont’d System 7SC • Reference Material A-4 Control/remote — switcher Serial control port ........................ RS-232, 9-pin female D connector, dual port Baud rate and protocol ............... 9600, 8-bit, 1 stop bit, no parity Serial control pin configurations 2 = TX, 3 = RX, 5 = GND Contact closure .................. ...

  • Extron electronics System 7SC - page 69

    A-5 System 7SC • Reference Material Part Numbers and Accessories Included parts These items are included in each or der for a System 7SC switcher: Included parts Replacement part number System 7SC (1) 60-340-01 Rubber feet (self-adhesive) (4) Rack mounting kit (brackets and screws) (1) 70-155-01 IR Emitter (1) 70-283-01 Batteries for the IR 701 r ...

  • Extron electronics System 7SC - page 70

    Reference Material, cont’d System 7SC • Reference Material A-6 RS-232 P R O J C O N T R O L C O N T A C T C L O S U R E RELAY 1 IR TRANSPORT RELAY 2 1 2 D IS P L A Y P W R S E N S O R IR C O M M R G B H/HV V INPUTS A U D IO IN SCP/AAP CONTROL OUTPUTS RGB Anaheim, CA 100 - 240 5 0 / 6 0 H z 1 . 3 A M A X . 1 L R 1 LR 2 L R 3 L R 4 L R 5 L R 6 L ...

  • Extron electronics System 7SC - page 71

    A-7 System 7SC • Reference Material 5. After you are electrically gr ounded, align the hooks of a PLCC IC puller tool with the slots located in opposite ends of the firmware chip. 6. Insert the hooks into the slots, and squeeze the tool gently to grasp the chip. 7. Pull the chip straight out of the socket, and set it aside. 8. Align the slots of ...

  • Extron electronics System 7SC - page 72

    Reference Material, cont’d System 7SC • Reference Material A-8 Glossary Attenuate/attenuation — T o reduce the amplitude (str ength) of a signal or current. Balanced audio — A method that uses three conductors for one audio signal. They are plus (+), minus (-) and gr ound. The ground conductor is strictly for shielding, and does not carry a ...

  • Extron electronics System 7SC - page 73

    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 provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can rad ...

  • Extron electronics System 7SC - page 74

    Extron Electronics, USA 1230 South Lewis Str eet Anaheim, CA 92805 USA 714.491.1500 F ax 714.491.1517 Extron Electronics, Europe Beeldschermweg 6C 3821 AH Amersfoort The Netherlands +31.33.453.4040 F ax +31.33.453.4050 Extron Electronics, Asia 135 Joo S eng Road, #04-01 PM Industrial Building Singapore 368363 +65.6383.4400 F ax +65.6383.4664 Extron ...

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