Instruction/ maintenance manual of the product IPL 250 Extron electronic
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IPL 250 IP Link ® Ether net Contr oller Refer ence Manual 68-1715-01 Rev . A 08 09 Outside fr ont cover Check the Extr on W eb site ( www .extr on.com ) for updates.
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.
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.
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TOC-i IPL 250 • T able of Contents T able of Contents Chapter One • Introduction ...................................................................................................... 1-1 About This Manual .........................................
T able of Contents, cont’d IPL 250 • T able of Contents TOC-ii Communicating with the IPL .............................................................................................. 3-3 Configuring the IPL for Network Communication ...........
TOC-iii IPL 250 • T able of Contents Chapter Four • SIS ™ Programming and Contr ol ........................................................ 4-1 Host-to-IPL Communications ..........................................................................
T able of Contents, cont’d IPL 250 • T able of Contents TOC-iv 68-1715-01 Rev . A 08 09 All trademarks mentioned in this manual are the properties of their respective owners. Appendix B • Firmware Updates ........................................
IPL 250 1 Chapter One Intr oduction About This Manual About the IPL 250 IR and RS-232 Device Control How the IPL 250 W orks: Components and Interactions Optional T ouchLink T ouchpanels System Require.
IPL 250 • Introduction 1-2 Intr oduction About This Manual This manual provides detailed information and best practices r ecommendations about cabling and configuring the Extron IPL 250 IP Link ® Ethernet Control Processor and r eference information about the controller ’s specifications, programming, and special applications.
1-3 IPL 250 • Introduction Built-in multilevel security — The user co ntro ls ac cess to the de vices atta ched t o the controller . T wo levels of password protection pr ovide appropriate security .
Intr oduction, cont’d IPL 250 • Introduction 1-4 use. IR learning is convenient for installing new or updated commands into the IPL 250 in the field.
1-5 IPL 250 • Introduction Cr eating a Contr ol System Using the IPL with Optional Extr on T ouchLink ™ T ouchpanels Not only can the IPL 250 act as a stand-alone controller that can be accessed v.
Intr oduction, cont’d IPL 250 • Introduction 1-6.
IPL 250 2 Chapter T wo Har dwar e Featur es and Installation Setup Checklist: How to Proceed With Installation Front Panel Features Mounting the IPL 250 Rear Panel Features and Connections Resetting t.
IPL 250 • Hardwar e Features and Installation 2-2 Har dware Featur es and Installation Setup Checklist: How to Pr oceed With Installation Get Ready Familiarize yourself with the IPL 250's features. Download and install the latest version of the Extron Global Configurator softwar e (version 3.
2-3 IPL 250 • Hardwar e Features and Installation Fr ont Panel Featur es N The IPL 250 must be set up in order to function. See chapter 3, “Softwar e- based Configuration and Control,” and the Global Configurator help file for information about Global Configurator , which you must use to set up the unit.
IPL 250 • Hardwar e Features and Installation 2-4 Har dware Featur es and Installation Optional rack shelves and an assortment of mounting kits (back of the rack, furniture, and pr ojector pole mount) are available for use with the IPL.
2-5 IPL 250 • Hardwar e Features and Installation Rack mounting with brackets Installation instructions are available with the optional Extr on MBB 100 back of the rack mounting kit (part number 70-367-01). POWER 12V .5A MAX 3 1 2 OUTPUT INPUTS MLS 103 V L R A B L R L R L R 1 2 3 L R 4 AU X/MI X MONO AU DIO INPUTS PREAMP MLC/RS-232 POWER 12V .
Har dware Featur es and Installation, cont’d IPL 250 • Hardwar e Features and Installation 2-6 Rear Panel Featur es and Connections INPUT LAN POWER 12V 500mA MAX 1234 COM 3 IR 3 SGSG TX RX 4 RELA .
2-7 IPL 250 • Hardwar e Features and Installation • Use a straight-through cable for connection to a switch, hub, or router . • Usea crossover cable for connection directly to a PC. W ire the connector as shown in the tables at right.
Har dware Featur es and Installation, cont’d IPL 250 • Hardwar e Features and Installation 2-8 For bidirectional RS-232 communication, the transmit, gr ound, and receive pins must be wired at both the IPL 250 and the other device. Each projector or other device may requir e different wiring.
2-9 IPL 250 • Hardwar e Features and Installation (+) (+) (+) (+) (+) (-) (-) (-) (-) (-) (+) (+) (-) (-) (+) (-) (+) (-) IR Signal IR Signal IR Signal IR Signal Ground Single and Dual IR Emitter Tw.
Har dware Featur es and Installation, cont’d IPL 250 • Hardwar e Features and Installation 2-10 Resetting the Unit There ar e five reset modes that are available by pr essing the Reset button on the front panel. The Reset button is r ecessed, so use a pointed stylus, ballpoint pen, or Extron T weeker to access it.
2-11 IPL 250 • Hardwar e Features and Installation Application Diagram The following figure shows an example of types of devices that ar e connected to some of the IPL ’s ports.
Har dware Featur es and Installation, cont’d IPL 250 • Hardwar e Features and Installation 2-12.
IPL 250 3 Chapter Thr ee Softwar e-based Configuration and Contr ol Configuration and Control: an Overview The Basic Setup Steps: a Guide to this Chapter and Other Resources Communicating with the I.
IPL 250 • Software-based Conguration and Contr ol 3-2 Softwar e-based Configuration and Control Configuration and Contr ol: an Overview An IPL 250 must be configured before use in or der to recognize and accept commands and pass them on to the controlled devices.
3-3 IPL 250 • Software-based Conguration and Contr ol Communicating with the IPL T o communicate with the IPL 250, you must power on the IPL and the PC you will use to configure it, and connect the two devices for IP (network) communication. • Power: see chapter 2 for wiring instructions.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-4 Configuring the IPL for network use via the ARP command The ARP (address r esolution protocol) command tells your computer to associate the IPL 250’s MAC (media access control) address with the assigned IP address.
3-5 IPL 250 • Software-based Conguration and Contr ol Y ou can reconnect using either T elnet or a W eb browser to verify that the update was successful. 6. After verifying that the IP addr ess change was successful, enter and issue the arp –d command at the DOS prompt.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-6 4. Select the Configuration tab, then select System Settings from the menu on the left of the screen. A W eb page appears. The top part of a typical screen is shown in the following picture.
3-7 IPL 250 • Software-based Conguration and Contr ol 3. Set the IPL for the new IP address by doing one of the following. • Enter SIS command E X1$ CI } , where X1$ is the new IP address ( see chapter 4 , “SIS ™ Programming and Contr ol”) to set the IP address.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-8 2. Right-click on Local Area Connection , then select Properties . 3. Select Internet Protocol (TCP/IP) and click on the Properties button (shown at right).
3-9 IPL 250 • Software-based Conguration and Contr ol c. Click the OK button to save the changes and exit the network setup. Reboot the PC, if requir ed, for the changes to become effective. 6. Plug one end of a Category 5 network/Ethernet crossover cable into the IPL ’s Ethernet (LAN) connector .
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-10 Downloading the software and getting started Global Configurator software is included with the contr oller .
3-11 IPL 250 • Software-based Conguration and Contr ol • The IPL 250 Setup Guide , which is shipped with the unit, and the help file included with the software cover basic setup steps. They include instr uctions and examples on how to use the basic tabs in GC.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-12 Information”, click “Global Configurator W indow”, then click on the name of the tab you want to know more about.
3-13 IPL 250 • Software-based Conguration and Contr ol Advanced serial port control If serial setup configurations are r equired, the following options provide advanced methods for communicating serially with the IPL: serial pass-through (or r edirect mode), direct port access, and serial bridging.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-14 Direct port access (ports 2001 thr ough 2003) Direct port access allows a dir ect, one-to-one connection to any one of the IPL ’s serial ports using a TCP/IP connection.
3-15 IPL 250 • Software-based Conguration and Contr ol Serial bridging Serial bridging mode creates a virtual serial connection (a “bridge”) between two IPL units allowing serial data to be passed over a shared LAN to devices connected via the IPLs’ COM ports.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-16 Unit 2’ s Port Settings inter nal Web page 3. Choose the serial port (on the local IPL 250, unit 2) that you wish to communicate through.
3-17 IPL 250 • Software-based Conguration and Contr ol • theIPL ’sfactory-embeddedW ebpages • theGlobalV iewer(GV)W ebpages that are created when you upload.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-18 Status The Status W eb page provides only settings information. Changes must be made via the Configuration W eb page or via the Global Configurator software or SIS programming.
3-19 IPL 250 • Software-based Conguration and Contr ol Configuration There ar e six Configuration W eb pages, which only administrators can access: • System Settings • Port Settings • IR Drivers • Passwords • Email Alerts • Firmware Upgrade System Settings This page is for IP and date/time setting changes.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-20 Port Settings This page allows limited changes to serial (COM) port settings and to the on/off status of each relay port.
3-21 IPL 250 • Software-based Conguration and Contr ol IR Drivers Once the IPL 250 is configured and IR drivers have been uploaded to the unit and linked to specific IR ports, you can view a list of the uploaded drivers in this page. Click on the name of the driver file to switch to a view of the commands loaded for that driver .
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-22 Email Alerts In this page you can specify the W eb server ’s IP address and domain name, set up SMTP verification cr edentials, and specify e-mail alert recipients’ addresses and which e-mail file they will be sent.
3-23 IPL 250 • Software-based Conguration and Contr ol File Management This W eb page allows you to sort by file type (see the Filter by File Extension drop- down box). Personnel with administrator access can view these pages and make changes. Those with user-level privileges ar e not able to see this page.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-24 GlobalViewer ® W eb Pages The IPL 250 can be used as part of a network of devices based on Extron IP Link technology .
3-25 IPL 250 • Software-based Conguration and Contr ol The following figures ar e examples of IPL 250 GlobalV iewer pages. A GlobalViewer Schedule page A GlobalViewer Monitor page.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-26 A GlobalViewer overall system page If a device has been set up with an IR or RS-232 dri.
3-27 IPL 250 • Software-based Conguration and Contr ol Contr olling the IPL 250 with a T ouchpanel After both devices are configur ed, the IPL 250 can be contr olled with an optional Extron TLP touchpanel. 1. Set up each touchpanel’s graphical user interface (GUI) by using the GUI Configurator software.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-28 Customizing the IPL ’ s Contr ol Web Pages Extron of fers W eb page templates that ca.
3-29 IPL 250 • Software-based Conguration and Contr ol T roubleshooting T urn on the input devices (DVD players, VCRs, PCs, and other sources), output devices (display screens, pr ojectors), the IPL 250, and the PC and touchpanel.
Softwar e-based Configuration and Control, cont’d IPL 250 • Software-based Conguration and Contr ol 3-30.
IPL 250 4 Chapter Four SIS ™ Pr ogramming and Contr ol Host-to-IPL Communications Commands and Reponses.
IPL 250 • SIS Programming and Contr ol 4-2 SIS ™ Pr ogramming and Control The IPL 250 can be remotely controlled via a host computer , touchpanel, or other device (such as a control system) attached to a shar ed network. The IPL must be configured before use.
4-3 IPL 250 • SIS Programming and Contr ol Error r esponses When the IPL 250 receives a valid SIS command, it executes the command and sends a response to the host device. If the IPL is unable to execute the command because the command is invalid or it contains invalid parameters, it returns an error r esponse to the host.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-4 The command/response tables list valid ASCII command codes, the corresponding URL (uniform resource locator) enc.
4-5 IPL 250 • SIS Programming and Contr ol sign/hyphen (-). No blank or space characters are permitted as part of a name. No distinction is made between upper and lower case. The first character must be a letter . The last character must not be a minus sign/hyphen.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-6 in March, ends on the last Sunday in October . DST should be turned off for Iceland.
4-7 IPL 250 • SIS Programming and Contr ol The response includes leading zer os. X5$ = ASCII digit(s) repr esenting the numeric value of the data element read fr om the event buffer (Leading zer os are suppressed.) X5& = IR playback file number (0 to 99) (no extension).
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-8 Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additional descript.
4-9 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additional.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-10 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (ho.
4-11 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additional description IR port use Send an IR command 28 E X! , X5& , X5* , X5( IR } Send an IR command via IR output port number X! .
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-12 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (ho.
4-13 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additiona.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-14 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (ho.
4-15 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additional description Set GMT offset 24 E X# CZ } W X # CZ | Ipz X # ] Set the Greenwich Mean T ime (GMT) offset value ( X# ) for the IPL ’s location.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-16 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (ho.
4-17 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additional description Set user password 14, 24 E X3# CU } W X3# CU | Ipu• X4! ] Set the user password ( X3# is 4 to 12 alphanumeric characters).
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-18 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (ho.
4-19 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additiona.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-20 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (ho.
4-21 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additiona.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-22 Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additional description Event control N The “F” must be capitalized in these event commands.
4-23 IPL 250 • SIS Programming and Contr ol Command/response table for SIS commands (continued) Command ASCII (T elnet) (host to IPL) URL Encoded (Web) (host to IPL) Response (IPL to host) Additiona.
SIS ™ Pr ogramming and Control, cont’d IPL 250 • SIS Programming and Contr ol 4-24.
IPL 250 5 Chapter Five Special Applications Customizing HTML Files to Control Devices, Modify Embedded W eb Pages, and Send E-mail Alerts.
IPL 250 • Special Applications 5-2 Special Applications There ar e numerous ways to use an IP Link to contr ol and monitor A/V systems. The Global Configurator Help file and chapters 3 and 4 of this manual cover typical uses and features. This chapter shows you how to set up the IPL 250 for a few specialized applications.
5-3 IPL 250 • Special Applications SSI command types and syntax Host vs. remote commands SIS commands for IPLs and other IP Link-enabled devices fall into two categories: host or remote. • Host commands instruct the IPL 250, itself, to act or respond.
Special Applications, cont’d IPL 250 • Special Applications 5-4 Example: SSI use in notication e-mails One simple way to use host SSI commands is to customize e-mail messages that the IPL 250 sends in response to a monitored condition or event.
5-5 IPL 250 • Special Applications via T elnet or HyperT erminal or DataV iewer • aW ebbrowserbysendingaPostcommandonport80followedbythedelimited data in the .
Special Applications, cont’d IPL 250 • Special Applications 5-6.
IPL 250 A Appendix A Refer ence Material Specifications Part Numbers Glossary File T ypes: a Key to Extron-specific File Names.
IPL 250 • Reference Material A-2 Refer ence Material Specifications Connectors ..................................... 1 RJ-45 female connector Data rate ......................................... 10/100Base-T , half/full duplex with autodetect Protocols .
A-3 IPL 250 • Reference Material General Power .............................................. Supplied by an included external power supply External power supply ................. 100 V AC to 240 V AC, 50-60 Hz, external; to 12 VDC, 1 A, r egulated Power input requir ements .
Refer ence Material, cont’d IPL 250 • Reference Material A-4 Part Numbers Included parts These items are included in each or der for an IPL 250 contr oller: Included parts Replacement part number IPL 250 60-1026-81 Rubber feet PS 1210 C 12 VDC, 1A external power supply 70-775-01 3.
A-5 IPL 250 • Reference Material Cables Use the cables listed below for connecting an IPL 250 to accessories such as relay switches or communications ports: CTL Series (Comm-Link) cables Part number.
Refer ence Material, cont’d IPL 250 • Reference Material A-6 MAC (Media Access Control) Address is a unique hardwar e number given to devices that connect to a network such as the Internet. When a computer or networking device (router , hub, interface, etc.
A-7 IPL 250 • Reference Material URL (Uniform Resource Locator) is the addr ess (such as www .extron.com ) that lets a resour ce on the internet be identified, located, and accessed.
Refer ence Material, cont’d IPL 250 • Reference Material A-8.
IPL 250 B Appendix B Firmwar e Updates Determining the Firmware V ersion Updating the Main Firmware.
IPL 250 • Firmware Updates B-2 Firmwar e Updates If the need arises, you can replace the IPL 250’s main firmware without opening the unit or changing firmware chips.
B-3 IPL 250 • Firmware Updates 4. In the factory default W eb pages, select the Status tab. The firmware version is listed in the System Description area, as shown below . Or select the System Settings page within the Configuration tab. The firmware version is listed in the IP Settings area, as shown below .
Firmwar e Updates, cont’d IPL 250 • Firmware Updates B-4 Updating the Main Firmwar e Most firmware upgrade tools r equire the PC and the contr oller to both be connected to an Ethernet network. The instructions for each method of updating the IPL ’s firmware assume you have installed the appr opriate software on your PC first.
B-5 IPL 250 • Firmware Updates 6. In the Choose file dialog box, locate and select the firmware file (*.s19) you downloaded to C:Program FilesExtronFirmwareIPL_250xx , and click the Open button. 7. Click on the W eb page’s Upload button to upload the firmware into the controller .
Firmwar e Updates, cont’d IPL 250 • Firmware Updates B-6 4. Click the OK button. A window like the one shown below appears. It shows the firmware version curr ently used by the IPL 250. 5. Click. File > Open . The Choose Firmware File window appears 6.
B-7 IPL 250 • Firmware Updates The Firmware Loader displays the new firmwar e version, as shown here: 8. Close or exit Firmware Loader . Updating firmware via Extr on IP Link ™ File Manager software This is the recommended method for updating an IPL ’s firmware.
Firmwar e Updates, cont’d IPL 250 • Firmware Updates B-8 6. Set the maximum number of firmware uploads that can take place at the same time. The firmware files ar e uploaded to batches of this many units at a time until all units listed in the Select Device list have received new files.
IPL 250 C Appendix C Index.
IPL 250 • Index C-2 Index PRELIMINAR Y Index Symbols 0.evt 1-4 .gc2 A-7 .gcz A-7 A accessories control accessories part numbers for A-4 mounting accessories part numbers and names A-4 part numbers f.
C-3 IPL 250 • Index PRELIMINAR Y F file extension .cdc 3-23, A-7 .gc2 A-7 .gcz A-7 .s19 A-7 filtering by 3-23 File Management (embedded W eb page) 3-23 file names and types .cdc 3-23, A-7 .eir A-7 .eml A-7 ev ent files 1-4, 3-23 .evt A-7 .gc2 A-7 .
Index, cont’d IPL 250 • Index C-4 PRELIMINAR Y modes DHCP mode and SIS commands 4-15 IR playback mode variable in SIS commands 4-11 reset 2-10 reset mode SIS commands 4-23 serial communication sta.
C-5 IPL 250 • Index PRELIMINAR Y U UL requirements and guidelines UL rack mounting guidelines 2-4 Underwriters Laboratories (UL) rack mounting guidelines 2-4 unit name definition and parameters 3-1.
Lg manual back cover template_060109 Extr on W arranty Extron Electr onics warrants this product against defects in materials and workmanship for a period of three years fr om the date of purchase.
© 2009 Extron Electr onics. All rights reserved. Ex tron US A - We st Headquar te rs +8 00 .6 33 .9 87 6 Insid e U S A / C anad a O nl y +1 .7 14 .4 91 .1 50 0 +1 .7 14 .4 91 .1 51 7 FA X Ex tron US A - East +8 00 .6 33 .9 87 6 Insid e U S A / C anad a O nl y +1 .
An important point after buying a device Extron electronic IPL 250 (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 IPL 250 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 IPL 250 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Extron electronic IPL 250 you will learn all the available features of the product, as well as information on its operation. The information that you get Extron electronic IPL 250 will certainly help you make a decision on the purchase.
If you already are a holder of Extron electronic IPL 250, 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 IPL 250.
However, one of the most important roles played by the user manual is to help in solving problems with Extron electronic IPL 250. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Extron electronic IPL 250 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