Extron electronic QGE 100 manuel d'utilisation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62

Aller à la page of

Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Extron electronic QGE 100. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Extron electronic QGE 100 ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Extron electronic QGE 100 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Extron electronic QGE 100 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Extron electronic QGE 100
- nom du fabricant et année de fabrication Extron electronic QGE 100
- instructions d'utilisation, de réglage et d’entretien de l'équipement Extron electronic QGE 100
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Extron electronic QGE 100 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Extron electronic QGE 100 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Extron electronic en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Extron electronic QGE 100, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Extron electronic QGE 100, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Extron electronic QGE 100. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    User Guide QGE 100 Graphics Encoders Quantum Graphics Encoder 68-2178-01 Rev. A 01 12[...]

  • 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 •[...]

  • Page 3

    FCC Class A Notice 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. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference r eceived, including interference that may caus[...]

  • Page 4

    Conventions Used in this Guide Notifications In this user guide, the following are used: CAUTION: A caution indicates a potential hazard to equipment or data. NOTE: A note draws attention to important information. TIP: A tip provides a suggestion to make working with the application easier . WARNING: A warning war ns of things or actions that migh[...]

  • Page 5

    Contents Using the QGE 100 Viewer Program ................. 34 Starting the Viewer Program ......................... 34 The QGE 100 Viewer W indow ...................... 35 Connecting to a QGE 100 Source .................. 38 Refreshing the Channel List ........................... 39 Learning Dialogs ............................................... [...]

  • Page 6

    QGE 100 • Contents vi[...]

  • Page 7

    QGE 100 • Introduction 1 Intr oduction This section gives an overview of the Extron QGE 100 Quantum Graphics Encoder , describes its significant features, and pr ovides examples of application diagrams. The following topics are cover ed: • About this Guide • About the QGE 100 Encoder • Features • Functional Overview • Application Diagra[...]

  • Page 8

    QGE 100 • Introduction 2 POWE R QUANTUM ELITE DA TA Source PC Ne tw or k Swit ch PC Runnin g Vi ew er So ft wa re QG E 10 0 Quan tum Graph ic s Encode r Quantu m Elit e Vide ow al l Pr ocesso r ST AT US LAN QGE 100 QUANTUM GRAPHICS ENCODER Figure 1. Source Computer , QGE 100, Quantum Processor , and V iewing PC on a Network QGE 100 Software T wo [...]

  • Page 9

    QGE 100 • Introduction 3 Featur es The QGE 100 features the following: • Allows simple connection of a DVI or RGB source to an IP network. • Streams standar d, routable IP packets on an existing network or a dedicated media network. • Lossless compression with 4:4:4, 24-bit color sour ce repr oduction maintains image fidelity while minimiz[...]

  • Page 10

    QGE 100 • Introduction 4 Viewing the QGE 100 Data Str eam Streamed QGE 100 data can be decoded and displayed using any of the following viewing platforms: • A Quantum Elite Videowall Processor (multicast mode only) • A computer running QGE 100 Viewer software • A computer running QGE 100 Administrator software Managing the Network Use the Q[...]

  • Page 11

    QGE 100 • Introduction 5 EDID Management Extended display identification data (EDID) is a communications protocol or instruction set for the identification of a monitor to a source computer that is using the DDC (Display Data Channel) transmission standard. EDID information consists of the native r esolution, the vertical interval refr esh rate, [...]

  • Page 12

    QGE 100 • Introduction 6 Supported Source Formats The table below lists the resolutions and r efresh rates supported by the QGE 100. Source Resolution Digital Analog Source Resolution Digital Analog BIOS and Startup Wide Modes 640x350 @ 85 Hz X 1152x864 @ 75 Hz X X 640x400 @ 85 Hz X 1280x768 @ 60 Hz X X 720x400 @ 70 Hz X 1280x960 @ 60 Hz X X 720x[...]

  • Page 13

    QGE 100 • Introduction 7 Application Diagrams COM 1 OUT IN COM 2 DVI-I DVI-I 12V DC REG 1.5A MAX PERIP HP C Refer all servicing to qualified service personnel COM 1 OUT IN COM 2 DVI-I DVI-I 12V DC REG 1.5A MAX PERIP HP C Refer all servicing to qualified service personnel COM 1 OUT IN COM 2 DVI-I DVI-I 12V DC REG 1.5A MAX PERIP HP C Refer all se[...]

  • Page 14

    QGE 100 • Installation and Operation 8 Installation and Operation This section provides the steps to install the QGE 100. It also describes the fr ont and rear panel components and provides instructions for cabling and operating the encoder . The following topics are included: • Installation Overview • Rear Panel Features • Connecting the S[...]

  • Page 15

    QGE 100 • Installation and Maintenance 9 Rear Panel Featur es COM 1 OU TI N COM 2 DVI-I DVI-I 12V DC IN REG 1.5A MAX PERIPH PC Refer all servicing to qualified service personnel 1 2 3 4 5 7 8 9 6 Reserved for Future Use Figure 5. QGE 100 Rear Panel a Power connector — Connect the provided 12 VDC power supply to this female 3-pin mini DIN conne[...]

  • Page 16

    QGE 100 • Installation and Maintenance 10 Connecting the Sour ce Computer to the QGE 100 Video data from the sour ce computer is streamed over the network via the QGE 100 to be viewed on another computer or a Quantum Elite processor . The QGE 100 is compatible with both digital and analog computer graphics signals. NOTE: If you do not intend to u[...]

  • Page 17

    QGE 100 • Installation and Maintenance 11 8 Analog V -sync 16 Hot plug detect 24 TMDS clock– Pin Signal Pin Signal Pin Signal 1 TMDS data 2– 9 TMDS data 1– 17 TMDS data 0– 2 TMDS data 2+ 10 TMDS data 1+ 18 TMDS data 0+ 3 Ground (2/4 ) 11 Ground (1/3) 19 Ground (0/5) 4 TMDS data 4- 12 TMDS data 3- 20 TMDS data 5- 5 TMDS data 4+ 13 TMDS dat[...]

  • Page 18

    QGE 100 • Installation and Maintenance 12 2. Plug the DVI-A connector of the adapter into the QGE DVI-I Out port. Analog Monitor Analog to DVI Adapter To QGE 100 DVI I Out Port Figure 8. Connecting the Monitor of an Analog Source Computer to the Analog to DVI Adapter NOTE: If you use a monitor cable or adapter other than the one provided with the[...]

  • Page 19

    QGE 100 • Installation and Maintenance 13 2. When the QGE 100 encoder is delivered, the following default addr esses are set for it: • IP address: 172.28.231.98 • Subnet mask: 255.255.000.000 If you need to change these addresses, use the QGE 100 Administrator softwar e to enter new addresses (see the “ Softwar e Configuration and Control [...]

  • Page 20

    QGE 100 • Installation and Maintenance 14 CAUTIONS: • Do not permanently fix the power supply to the building structure or similar structures. • Do not place the power supply within environmental air handling spaces or the wall cavity . • The installation must be in accordance with the applicable provisions of the National Electrical Code [...]

  • Page 21

    QGE 100 • Installation and Maintenance 15 Connections with a Digital Source COM 1 OUT IN COM 2 DVI-I DVI-I 12V DC IN REG 1.5A MAX PERIPH PC Refer all servicing to qualified service personnel IMPORT ANT : Fit the clip-on ferrite to this end of the cable. D VI-D to D VI-D PS/2 to PS/2 QGE 100 Quantum Graphics Encoder Source Computer DV I Monitor O[...]

  • Page 22

    QGE 100 • Installation and Maintenance 16 Connections with an Analog Source Analog Monitor D VI-A to 15-pin HD Adapter COM 1 OUT IN COM 2 DVI-I DVI-I 12V DC IN REG 1.5A MAX PERIPH PC Refer all servicing to qualified service personnel IMPORT ANT : Fit the clip-on ferrite to this end of the cable. 15-pin HD to D VI-A PS/2 to PS/2 QGE 100 Quantum G[...]

  • Page 23

    QGE 100 • Installation and Maintenance 17 Fr ont Panel Features S TA TUS LAN QGE 100 QUANTUM GRAPHICS ENCODER 1 2 3 Figure 12. QGE 100 Fr ont Panel The QGE 100 front panel contains thr ee indicator LEDs: a Power LED — This green LED lights steadily when the unit is r eceiving power from the power supply . b LAN LED — This orange led indicates[...]

  • Page 24

    QGE 100 • Software Configuration and Contr ol 18 Softwar e Configuration and Contr ol This section describes the QGE 100 software pr ograms and provides pr ocedures for using them to configure and operate the QGE. The following topics ar e discussed: • Accessing the Software Pr ograms • Using the QGE 100 Administrator Program • Using the Q[...]

  • Page 25

    QGE 100 • Software Configuration and Contr ol 19 Installing the Software The Administrator software and Viewer softwar e programs for the QGE 100 ar e provided on a CD with the unit (they are not available for downloading fr om the web). Install each program on your computer as follows: 1. Insert the Extron Videowall Pr ocessing CD into the disk [...]

  • Page 26

    QGE 100 • Software Configuration and Contr ol 20 2. In the QGE 100 List section, select one of the listed QGEs by clicking on its name to highlight it. 3. Click the Connect button in the T asks section. The curr ent information on your selected QGE is displayed in the QGE 100 List section; and the Viewer window opens, displaying the current scr e[...]

  • Page 27

    QGE 100 • Software Configuration and Contr ol 21 QGE 100 List section The QGE 100 List section displays information on all QGEs detected by the Administrator software at startup. The figur e below shows an example of a QGE 100 List section in which two QGEs are displayed: one connected in multicast mode and one in unicast mode. QGEs that appear g[...]

  • Page 28

    QGE 100 • Software Configuration and Contr ol 22 Configure QGE 100 Pr operties section The QGE 100 Properties section pr ovides fields in which you can select or enter parameters for the QGE, such as the IP address, frame rate, and so forth. Y ou must log in as administrator in order to be able to access the fields in this section (see “ Loggi[...]

  • Page 29

    QGE 100 • Software Configuration and Contr ol 23 T ools menu Option Description Mouse and Keyboard Options Opens a window that lets you set some parameters for keyboard and mouse control of the sour ce PC. Options Opens a window that lets you specify whether explanatory messages appear when you initiate certain actions. Logging Opens a window tha[...]

  • Page 30

    QGE 100 • Software Configuration and Contr ol 24 Viewing a QGE 100 Sour ce The QGE 100 Administrator provides a Viewer window on which you can view a connected source. Y ou can also view sour ces using the QGE 100 Viewer software (see “ Using the QGE 100 Viewer Program ” on page 34). Y ou can display the source that is connected to any QGE 10[...]

  • Page 31

    QGE 100 • Software Configuration and Contr ol 25 The Administrator Viewer window contains a menu bar and a toolbar from which you can specify parameters for viewing the displayed source. The table below describes these controls. Administrator Viewer menu Options Menu Option T oolbar Icon Description Connection menu Disconnect Disconnects the Admi[...]

  • Page 32

    QGE 100 • Software Configuration and Contr ol 26 Managing the QGE 100 List Y ou can perform the following tasks on the QGE 100 List: Refreshing the list After being closed and reopened or after list items have been added or r emoved, the Administrator software does not automatically update the QGE 100 List. After making changes to any of the item[...]

  • Page 33

    QGE 100 • Software Configuration and Contr ol 27 2. Enter the requested information in the text elds, then click OK . Figure 16. Add QGE 100 Window Deleting a QGE from the list Y ou can remove QGEs fr om the QGE 100 List individually or in groups. T o delete a device: 1. In the QGE 100 List, select the QGE that you want to delete. T o select m[...]

  • Page 34

    QGE 100 • Software Configuration and Contr ol 28 Logging In and Out (Administrator Level) By default, you are logged in at user level when you first open the Administrator softwar e (your current login level is shown on the status bar at the bottom of the QGE 100 window). All fields in the Configure QGE 100 Pr operties section are grayed-out. Fig[...]

  • Page 35

    QGE 100 • Software Configuration and Contr ol 29 Configuring a QGE 100 The Configure QGE 100 Pr operties section of the main window contains fields in which you can specify or change various properties of a selected QGE 100. NOTE: Y ou must be logged in as Administrator in order to edit these sections (see “ Logging In and Out (Administrator L[...]

  • Page 36

    QGE 100 • Software Configuration and Contr ol 30 Figure 22 Figure 22. Network Settings Window The table below lists and describes the network settings that can be changed. Setting Description IP Address Enter the IP address for the QGE 100 (see “ IP Addr essing ” in the “Reference Information” section for basic information about IP addres[...]

  • Page 37

    QGE 100 • Software Configuration and Contr ol 31 Configuring UDP multicast settings T o use a Quantum Elite pr ocessor as a viewing device or to connect the QGE 100 source to multiple viewing devices, you must place the QGE in multicast mode. Y ou can configure multicast connection parameters by making changes to the fields in the Network Settin[...]

  • Page 38

    QGE 100 • Software Configuration and Contr ol 32 Configuring the QGE for Use with a Quantum Elite Processor T o use a Quantum Elite Videowall Pr ocessor as a viewing device, use the Quantum Elite Control Softwar e, provided on the Extr on Videowall Processing CD. (See the Quantum Elite and Quantum Connect User Guide for details on accessing and [...]

  • Page 39

    QGE 100 • Software Configuration and Contr ol 33 Example: Figure 25. Set Up Sour ces Scr een on the Quantum Control Softwar e Main Window For detailed information on setting up sources, see the Quantum Control Software User Guide , available on the Extron website at www .extron.com .[...]

  • Page 40

    QGE 100 • Software Configuration and Contr ol 34 Using the QGE 100 V iewer Program The QGE 100 Viewer software displays QGE 100 sour ces on your viewing computer . It can display one source at a time. Starting the Viewer Pr ogram For you to start using the QGE 100 Viewer software, the RJ-45 LAN connector on the QGE 100 rear panel must be connecte[...]

  • Page 41

    QGE 100 • Software Configuration and Contr ol 35 The QGE 100 Viewer Window Figure 26. QGE 100 Viewer Main Window The main window of the QGE 100 Viewer consists of the following major sections: • Source window — (Left pane) Displays the sour ce connected to the selected QGE 100. If no source is connected, this section displays Not Connected . [...]

  • Page 42

    QGE 100 • Software Configuration and Contr ol 36 Menus and toolbar The QGE 100 Viewer window contains a menu bar and a toolbar from which you can specify parameters for viewing the displayed source. The following tables describe the options available on the menus and any equivalent toolbar buttons. Connection menu Option T oolbar Icon Description[...]

  • Page 43

    QGE 100 • Software Configuration and Contr ol 37 View menu Option T oolbar Icon Description Refresh Channel List Updates the information in the Channel (QGE 100) list in the right pane of the Viewer main window . Scale Places the Viewer source pane in scale mode. In this mode, the source image fills the sour ce (left) pane. T o incr ease or decr[...]

  • Page 44

    QGE 100 • Software Configuration and Contr ol 38 T ools menu Option Description Mouse & Keyboard T oggles mouse and keyboar d control on and of f (see “ Mouse and Keyboard Contr ol of the Source Computer ” on page 41). Mouse and Keyboard Options Opens a window that lets you set some parameters for keyboard and mouse contr ol of the source[...]

  • Page 45

    QGE 100 • Software Configuration and Contr ol 39 Connecting using the Connect dialog box T o connect to a QGE by entering its name or IP addr ess in the Connect dialog box: 1. From the Connection menu, select Connect To . The Connect dialog box opens. 2. Click in the text eld and enter the name or IP address of the QGE to which you want to con[...]

  • Page 46

    QGE 100 • Software Configuration and Contr ol 40 Lear ning Dialogs Learning dialogs are pop-up windows that the Administrator and QGE 100 Viewer programs display when you perform certain operations. These dialogs pr ovide additional information that may be helpful while you are learning to use the software (to close a learning dialog, click its O[...]

  • Page 47

    QGE 100 • Software Configuration and Contr ol 41 Mouse and Keyboar d Control of the Sour ce Computer The keyboard and mouse of the computer that is running QGE 100 Administrator or QGE 100 Viewer can be set up to control (emulate mouse and keyboar d operation of) the source computer thr ough the QGE 100. This is available only when the QGE is in [...]

  • Page 48

    QGE 100 • Software Configuration and Contr ol 42 2. Enter any desired values in the elds as described in the table below: Field T o enter a value: Key Combination to End Mouse & Keyboard Input Click in this field, then press the key or key combination that will be used to terminate the current mouse and keyboar d control session. Default:[...]

  • Page 49

    QGE 100 • Software Configuration and Contr ol 43 Starting and stopping a mouse and keyboard contr ol session • T o start a session in which your viewing computer contr ols the keyboard and mouse of the source computer , click anywher e on the Viewer window of the Administrator program or the sour ce pane of the QGE 100 Viewer main window . A re[...]

  • Page 50

    QGE 100 • Software Configuration and Contr ol 44 Using the Special Context menu The Special Context pop-up menu contains commands that you can select to send to the source computer during a mouse and keyboar d control session. (Y ou can display this menu only during a control session.) Figure 32. Special Context Pop-up Menu T o use the Special Co[...]

  • Page 51

    QGE 100 Series Videowall Processing Systems • HTML Operation 45 QGE 100 • Reference Information 45 Refer ence Information This section contains refer ence information about the QGE 100. T opics that are covered include: • Specifications • Part Numbers and Accessories • Mounting the QGE 100 Encoder • IP Addressing • T roubleshooting P[...]

  • Page 52

    QGE 100 • Reference Information 46 46 Ethernet data rate .......................... 10/100Base-T , half duplex with autodetect Ethernet protocol ........................... IP , TCP , UDP , DHCP Ethernet default settings ................ Link speed and duplex level = autodetected IP address = 172.28.231.98 Subnet mask = 255.255.0.0 Gateway = 0.0.[...]

  • Page 53

    QGE 100 • Reference Information 47 47 Part Numbers and Accessories The following tables list the items that are shipped with the QGE 100, or can be or dered for use with it. If you need replacement parts, contact your Extr on repr esentative for assistance (see the last page of this guide for contact information ). Included Parts These items are [...]

  • Page 54

    QGE 100 • Reference Information 48 48 Mounting the QGE 100 Encoder The QGE 100 encoder can be placed on a tabletop or mounted in a rack. NOTE: Always use the special QGE 100 rack mounting kit (part number 70-755-01), available separately , to secure the unit to the rack. Mounting instructions ar e included with the kit. UL Guidelines for Rack Mou[...]

  • Page 55

    QGE 100 • Reference Information 49 49 IP Addr essing What is an IP Address? A full explanation of IP addressing is beyond the scope of this user guide. However , the following details provide enough information to get started. An IP address is a 32-bit binary number that is used to identify each device on an Ethernet network. This number is usual[...]

  • Page 56

    QGE 100 • Reference Information 50 50 The following is an example of an invalid Class C addressing scheme: Device IP Address QGE 100 viewing computer 208.132.180.41 QGE 100 encoder 1 192.157.180.42 QGE 100 encoder 2 209.100.123.43 NOTE: The above addresses ar e invalid because the network identifier for each address is not the same even though e[...]

  • Page 57

    QGE 100 • Reference Information 51 51 4. At the command prompt, enter ping IP address . The computer r eturns a display similar to the figure below . The Pinging ... line reports the actual numeric IP addr ess, regardless of whether you entered the addr ess or an alias name. Figure 34. Ping Response Pinging to determine the web IP address The Pi[...]

  • Page 58

    QGE 100 • Reference Information 52 52 IP addresses and octets V alid IP addresses consist of four 1-, 2-, or 3-digit numeric sub-fields, called “octets,” which are separated by dots (periods) (figur e 35, below). Each octet can be numbered from 000 thr ough 255. Leading zeros, up to 3 digits total per octet, ar e optional. V alues of 256 and [...]

  • Page 59

    QGE 100 • Reference Information 53 53 T r oubleshooting Performance In an ideal QGE 100 system, the source displayed on the viewing device should be virtually indistinguishable from the original sour ce. However , under certain circumstances, you may notice some reduction in performance. This section describes the pr oblems you may encounter and [...]

  • Page 60

    QGE 100 • Reference Information 54 54 TIP: In addition to the improved image quality that digital sour ces provide, they are also mor e efficient on encoding. This is because analog sour ces invariably contain a certain amount of noise and this can add to the overall content of the data stream. In addition, analog sour ces may produce contouring [...]

  • Page 61

    QGE 100 • Reference Information 55 55 Optimizing the Encoder Parameters Using the QGE 100 Administrator software, you can set the parameters listed below (see “ Using the QGE 100 Administrator Program ” in the “Softwar e Configuration and Control” section): • Bandwidth Limit — If you are using a large number of QGE 100s or you have a [...]

  • Page 62

    Extron Headquarters +1.800.633.9876 (Inside USA/Canada Only) Extron USA - West Extron USA - East +1.714.491.1500 +1.919.863.1794 +1.714.491.1517 FAX +1.919.863.1797 FAX Extron Europe +800.3987.6673 (Inside Europe Only) +31.33.453.4040 +31.33.453.4050 FAX Extron Asia +800.7339.8766 (Inside Asia Only) +65.6383.4400 +65.6383.4664 FAX Extron Japan +81.[...]