Sierra ADC-124 Owner`s manual
Contents
1. oooconnnccnonccnonccnonccconccnoncconncanononcnncononcnconccnnnn cono ncnnnncannncns 9 Rear Module Available for ADC 124 oooconcnncnncnccononononononononononononononononononononononononininicicicinins 10 Bor da dis 11 Software A 11 Card Control and MAUI ilas 12 Card Stalin ii 12 Menu Navig Orituco ando sf adeeeecacvedea cidcid aa E a E AA donde clean easasasts 12 Menu O NE essccoec655 oo cheese eck Sees O vce UU SE 12 Factory Default Settings sinisisi cased sais o tieisiai iat 14 Remote Control 15 In This Chapter iii a 15 DashBoard Control System Software ooooooccnonconcconnnononanonnonnncnncnnnccnonn nono ncnn aran ncn cra nono na nancnn conos 15 Technical Specifications 17 Service Information 18 In This Chaplin a A ata 18 Troubleshooting Checklist i ss scccie3s socakass cabeee dilo ica tdi es dla od cid dos 18 Warranty and Repair PolicyError Bookmark not defined Error Bookmark not defined Error Bookm Ordering Information 19 ADC 124 and Related Products coiiionnn lil iria 21 Contact Us 23 Contact Sierra Video SysteMSsni sariini sartsa e a o a sd E aa nudes E ERES 23 Visit us at the Sierra Video Systems website ooooocnocccoconocononcnnnonnncnnonononnncnnccanccnn crono nono rnncnn conos 23 ADC 124 Owner s Manual e V 2 1 Page 5 of 23 Introduction In This Chapter This chapter includes the following sections e A Word of Thanks e Overview e Functional Block Diagram e Supported Audio and Vide2. The lower button is the Enter button to enter a submenu and the upper button is the Exit button to exit a submenu Moving the toggle switch up or down moves up or down in menu choices and pressing the buttons moves in or out of sub menus The menu LEDs will illuminate from top to bottom to indicate increasing depth in the menu Menu Structure Video Submenu Page 12 of 23 Menu Structure Parameter Type Vid Proc Unty Proc Unity Gain Proc Gain Lift Proc Lift Sat Proc Sat Phas Proc Phase Dec SDIN Decoder SD input HDIN Decoder HD input PED Pedestal SD Setup Sorc Set SDI or analog priority Proc Unity Resets all of the proc controls to unity value Proc Gain This is Luma Y channel gain expressed as a percentage It ranges from 0 0 to 200 0 in 0 1 steps Proc Lift This is Luma Y channel offset expressed as an actual video value ranging from 1024 to 1024 If set to O no change is made If set to 1024 absolute black value 004 becomes absolute white value 3FB If set to 1024 absolute white becomes absolute black ADC 124 Owner s Manual e V 2 1 Proc Saturation This is Chroma C channel gain expressed as a percentage It ranges from 0 0 to 200 0 in 0 1 steps Proc Phase This is Chroma C channel phase adjustment expressed in degrees ranging from 360 to 360 in steps of one degree Decoder SD Input Selects the input format for SD
3. e Rear Module Installation Optional e Board Installation e BNC Connections e Menu Structure e Factory Defaults Static Discharge Whenever handling the card and other related equipment please observe all static discharge precautions as described in the following note Static discharge can cause serious damage to sensitive A semiconductor devices Avoid handling circuit boards in high static environments such as carpeted areas and when wearing ESD synthetic fiber clothing Always exercise proper grounding Susceptibility precautions when working on circuit boards and related equipment Unpacking Unpack each card you received from the shipping container and check the contents against the packing list to ensure that all items are included If any items are missing or damaged contact your sales representative or Sierra Video Systems directly Page 8 of 23 ADC 124 Owner s Manual e V 2 1 Rear Module Installation Optional If you are installing the card in a 8310 C BNC or 8310 BNC frame one with a 100 BNC rear module installed across the entire back plane skip this section If you are installing the card into a slot with no rear module you should have ordered and received one of the ADC 124 A module You will need to install it in your 8310 frame before you can connect cables Use the following steps to install a rear module in an 8310 openGear frame 1 Refer to the openGear 8310 frame Owner s Manual to ens
4. Before using this product and any associated equipment refer to the Important Safety Instructions listed below so as to avoid personnel injury and to prevent product damage Products may require specific equipment and or installation procedures be carried out to satisfy certain regulatory compliance requirements Notices have been included in this publication to call attention to these specific requirements Symbol Meanings This symbol on the equipment refers you to important operating and maintenance servicing instructions within the Product Manual Documentation Failure to heed this information may present a major risk of damage or injury to persons or equipment The symbol with the word Warning within the equipment manual indicates a potentially hazardous situation which if not avoided could result in death or serious injury bb a 2 5 To The symbol with the word Caution within the equipment manual indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices gt O D lt O 5 The symbol with the word Notice within the equipment manual indicates a situation which if not avoided may result in major or minor equipment damage or a situation which could place the equipment in a non compliant operating state gt o O O This symbol is used to alert the user that an electr
5. Info sierravideo com Sales sierravideo com P O Box 2462 Grass Valley CA 95945 USA Visit us at the Sierra Video Systems website http www sierravideo com e Online catalog e Related products and full product lines e Trade show information e Dealer information e Sierra Video Systems news ADC 124 Owner s Manual e V 2 1 Page 23 of 23
6. required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment To avoid the potential release of those substances into the environment and to diminish the need for the extraction of natural resources Sierra Video Systems encourages you to use the appropriate take back systems These systems will reuse or recycle most of the materials from your end of life equipment in an environmentally friendly and health conscious manner The crossed out wheeled bin symbol invites you to use these systems If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration You can also contact Sierra Video Systems for more information on the environmental performances of our products ADC 124 Owner s Manual e V 2 1 Contents Introduction 6 In This Chapter cio la 6 A Word OF Thanks unid dd id iii 6 DI A TO 6 Functional Block Diagrami eene E E EE EEE EEE EE E E NEEE aR E 7 Supported Audio and Video ForMatS oooooconoconocconnnonnnononononononnnonnncnnncnn crono nn nonnnonn cnn non non anna ncnnnens 7 Inputand Output Video iii Ai 7 Docume tation Teri it a da OA da Bish sde Bs 7 Installation and Setup 8 In This Eat rt iO ro 8 Static DISCO iia daba a taa ld oh dies Bede sio 8 Unpacking Mura Sascha cd lbens steae steed nicgvas Garde toad ae Gee engine 8 Rear Module Installation Optional
7. 2 1 Functional Block Diagram The ADC 124 has a very flexible signal flow path and feature set that combines several products into one compact package This section diagrams the basic signal flow of your ADC 124 product HD SD Analog to Digital Video Proc Serializer and HD SD SDI Analog Input Conversion Gain Lift Saturation Phase Cable Driver Output ADC 124 Block Diagram Figure 1 Simplified Block Diagram of ADC 124 Functions Supported Audio and Video Formats Input and Output Video The ADC 124 supports the complete range of modern SMPTE standard SD and HD video formats Raster structure 23 98 24 23 98 24 25 29 97 30 25 29 97 30 50 59 94 60 Notes 1 Al rates displayed as frame rates interlaced 1 field rates are two times the number shown Documentation Terms The following terms are used throughout this guide e Frame refers to the 8310 frame that houses the ADC 124 card e Operator and User both refer to the person who uses the ADC 124 e Board and Card all refer to the ADC 124 card itself including all components and switches e System and Video system refers to the mix of interconnected production and terminal equipment in which the ADC 124 operates ADC 124 Owner s Manual e V 2 1 Page 7 of 23 Installation and Setup In This Chapter This chapter includes the following sections e Static Discharge e Unpacking
8. Sierra Video Systems ADC 124 Analog to Digital Converter Owner s Manual sierravideo O pe N G e ar So ADC 124 OM Version 2 1 ADC 124 e HD SD Analog to Digital Converter Owner s Manual Sierra Part Number ADC 124 OM Document Version 2 1 Printed in the United States Last Author MB Printing Date 11 29 2010 9 32 00 AM The information contained in this Owners Manual is subject to change without notice or obligation Copyright O 2010 Sierra Video Systems All rights reserved Contents of this publication may not be reproduced in any form without the written permission of Sierra Video Systems Reproduction or reverse engineering of copyrighted software is prohibited Notice The material in this manual is furnished for informational use only It is subject to change without notice and should not be construed as a commitment by Sierra Video Systems Sierra Video Systems Inc assumes no responsibility or liability for errors or inaccuracies that may appear in this manual Trademarks openkiear y 1s a registered trademark of Ross Video Limited O sierravideo is a registered trademark of Sierra Video Systems e All other product names and any registered and unregistered trademarks mentioned in this manual are used for identification purposes only and remain the exclusive property of their respective owners Page 2 of 23 ADC 124 Owner s Manual e V 2 1 Important Regulatory and Safety Notices
9. analog video This must be changed to reflect the analog video format on the input for the ADC 124 to lock correctly Valid SD formats are GBR Component SMPTE Component MIL Component Betacam Component Y C and Composite Decoder HD Input Selects the input format for HD analog video The user must select between GBR and YPbPr for the ADC 124 to lock to the input correctly SD Pedestal Setup Selects between O IRE and 7 5 IRE of setup pedestal on the input analog SD signal This tells the card how much setup needs to be removed from the input Select Default Source SDI Analog Selects the input that has priority when both SDI and Analog inputs are detected Display Submenu Menu Structure Parameter Type Disp H V Display Orientation BRGT Display Brightness Display Orientation This parameter lets you change the orientation of the display Vert makes the characters look correct when the cards are mounted in a 2 RU frame like the 8310 Horz makes the characters look right in a horizontal frame Display Brightness This parameter allows you to set the standard output brightness of the menu display It is a percentage of maximum brightness Preset Submenu MENU STRUCTURE Parameter Type Prst Slct Select Preset Save Save Settings Load Load Settings Fact Restore Factory Settings ADC 124 Owner s Manual e V 2 1 Page 13 of 23 Select Preset Select from
10. as set forth in such limited warranty The foregoing states the exclusive remedy of Buyer and the exclusive liability of SVS for any breach of the foregoing limited warranty C Cancellation ADC 124 Owner s Manual e V 2 1 Page 19 of 23 Except as provided in paragraph B immediately above all sales are final and Buyer may cancel this order or return products only upon written consent of SVS D General A In the event of a breach of any of the terms hereof the non breaching party shall be entitled to recover all of its costs fees and expenses including without limitation reasonable attorney s fees from the breach party incurred as a result of such breach regardless of whether or not a suit is actually filed to enforce the terms hereof B The provision hereof shall be governed by the laws of the State of California excluding its choice of law provisions The headings are for convenience only and do not limit or amplify the terms and provisions hereof D In case any one or more of the provisions set forth herein shall be held to be invalid illegal or unenforceable in any respect the validity legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby E No waiver alteration or modification of any of the provisions hereof shall be binding unless in writing and signed by an authorized Officer of SVS NOTE All products returned to SVS for servic
11. ctory presets Confirm to Factory Default and overwrite the save Selects the format of Y C input SD analog video so the decoder can properly SD Input Type YPbPr BetaCam decode the signal YPbPr MII Video Signal YPbPr SMPTE SONOS Selects the format of HD Input Type pep input HD analog video Specifies the amount of setup pedestal in the input video It will be removed by the decoder Video Gain Range 0 2000 Gain applied to Y Luma 1000 is unity Video Proc E Range 999 999 Lift applied to Y Luma Video Lift in 10 bit code value SD Composite Contains 0 0 or 7 5 IRE of Setup Gain applied to C color San PEON Chroma 1000 is unity Color Phase Range 360 360 Phase oC Choma degrees f f Resets all of th Reset to Unity Confirm A ee Co controls to unity Page 16 of 23 ADC 124 Owner s Manual e V 2 1 Technical Specifications Table 4 Card Technical Specifications Analog Video Input Serial Digital Video Outputs Number of Inputs 3 Input Type Differential Common Mode Rejection 5V AC Video Inputs HD Component YPbPr and RGB SD Composite Component YPbPr BetaCam MII SMPTE N10 RGB and Y C Conversion Bit Depth 12 Bits SD Color Separation 5 Line Adaptive Comb or Notch Filter Frequency Response HD Y 0 30MHz 0 25db PbPr 0 15 MHz SD Y 0 30MHz 0 25db PbPr 0 15 MHz Differential Phase SD l
12. e must have prior approval Return authorization requests may be obtained from your SVS dealer Page 20 of 23 ADC 124 Owner s Manual e V 2 1 Ordering Information ADC 124 and Related Products Your ADC 124 HD SD Analog to Digital Converter is a part of the openGear family of products Sierra Video Systems offers a full line of openGear terminal equipment including distribution conversion monitoring synchronizers encoders decoders embedders and de embedders as well as analog audio and video products Standard Equipment e ADC 124 HD SD Analog to Digital Converter e ADC 124 OM HD SD Analog to Digital Converter Owner s Manual Optional Equipment e ADC 124 OM HD SD Analog to Digital Converter with Owner s Manual additional Owner s Manual ADC 124 A openGear Rear Module compatible with ADC 124 10 BNC connector e 8310 C Digital Products Frame and Power Supply with Cooling Fans RU holds 10 cards e 8310 C BNC Digital Products Frame and Power Supply with fixed 100 BNC Rear Module and Cooling Fans 2RU holds 10 cards e MFEC 8310 N Network Controller Card Additional ADC 124 Owner s Manual e V 2 1 Page 21 of 23 Notes Page 22 of 23 ADC 124 Owner s Manual e V 2 1 Contact Us Contact Sierra Video Systems General Business Office and Technical Support PHONE Fax General Information E MAIL Sales Information POSTAL Sierra Video Systems SERVICE 530 478 1000 530 478 1105
13. ical or electronic device or assembly is susceptible to damage from an ESD event p gt ESD Susceptibility Important Safety Instructions This product is intended to be a component product of the openGear frame Refer to the openGear frame Owner s Manual for important safety instructions regarding the proper installation and safe operation of the frame as well as it s component gt Caution products Certain parts of this equipment namely the power supply area still present a safety hazard with the power switch in the OFF position To avoid electrical shock disconnect all A C power cords from the chassis rear appliance connectors before Warning servicing this area Service barriers within this product are intended to protect the operator and service personnel from hazardous voltages For continued safety replace all barriers after any servicing Q gt 3 This product contains safety critical parts which if incorrectly replaced may present a risk of fire or electrical shock Components contained within the product s power supplies and power supply area are not intended to be customer serviced and should be returned to the factory for repair To reduce the risk of fire replacement fuses must be the same type and rating Only use attachments accessories specified by the manufacturer ADC 124 Owner s Manual e V 2 1 Page 3 of 23 Page 4 of 23 Environmental Information The equipment that you purchased
14. mote control functions with your card DashBoard Control System Software The DashBoard Control System enables you to monitor and control openGear frames and controller cards from a computer The DashBoard software and manual can be downloaded from the Sierra Video Systems website www sierravideo com Using the Menus and Menu Descriptions You must first install the DashBoard Control System software on your computer Refer to the DashBoard User Manual for software installation procedures and for using the DashBoard interface The following pages list the parameters from the menu tabs available in the DashBoard software when connected to a ADC 124 wens CN ADC 124 The product name Sietta Video Systems The manufacturer of the product Software Release HH The release number of the Number firmware in this card Software Build HH The internal build number Date of this software Software Build Hitt The date and time the Card Info Time software was created Read only 12 V Power Rail HEW Positive Supply Power 7 5 Power Rail HEW Negative Supply Power Video Input Detected Video Standard edi on SDI or Analog Input Reference Standard HH Derre d simdan ol selected reference Displays the Silicon Serial TRR HE Number of the card ADC 124 Owner s Manual e V 2 1 Page 15 of 23 COC TT 2 Saves the parameters as preset n Loads parameters Parameter Load Confirm P previously saved Restart Parameters Will load fa
15. ny conditions other than those described in SVS s instruction manuals and other printed material for each particular product If any product is used or applied in a manner or under conditions not specifically authorized by such written materials or if any product is used by unqualified or improperly trained personnel Buyer agrees that SVS shall have no liability of any kind arising from such use and Buyer agrees to indemnify and hold SVS harmless from any claims of third parties arising from such use and Buyer shall provide SVS with counsel of SVS s choice to defend against such claims B Limited Warranty 1 This warranty applies only to the original purchaser and is non transferable This warranty begins on the date of purchase and will be in effect for five 5 years for new equipment or and for three 3 years for Factory Refurbished equipment Buyer must obtain a Return Material Authorization RMA number from SVS prior to returning a product for repair If in SVS sole discretion the product is found to be defective during the term of this warranty SVS will at its option a provide free replacement parts and or b repair the unit at an SVS facility During the warranty period SVS will make every reasonable effort to support critical emergencies by supplying no cost loan equipment while the defective unit is being repaired SVS will provide replacement parts and or factory service at no charge Buyer bears the cost of shipping products re
16. o Formats e Documentation Terms A Word of Thanks Congratulations on choosing the openGear ADC 124 Analog to Digital Converter The ADC 124 is part of a full line of modular conversion gear for broadcast TV environments The Sierra Video Systems openGear line includes video decoders and encoders audio embedders and de embedders distribution amplifiers format converters and much more Sierra openGear modular conversion gear will meet your signal conversion needs now and well into the future Should you have questions pertaining to the installation or operation of your ADC 124 please contact us at the numbers listed on the back cover of this manual We are happy to help with any questions regarding this or any other openGear card Overview Page 6 of 23 The ADC 124 is a high quality analog to digital converter The product also provides full color processing control of the output video with separate controls for Luma Gain Luma Lift Chroma Saturation and Color Phase All card configuration is done with a simple front panel menu There is a four character text display to view and control parameters and a toggle switch and two buttons to navigate the menu Card configuration can also be done over DashBoard remote control software The input and outputs of the ADC 124 are the following Input Q One 3 BNC dual rate HD SD analog video input Outputs a Two dual rate HD SD SDI video outputs ADC 124 Owner s Manual e V
17. one of the five saved presets Save Settings In this parameter move the toggle switch up to save the settings to the card persistent storage Load Settings In this parameter move the toggle switch up to load the saved settings and make them active Restore Factory Settings In this parameter move the toggle switch up to make the factory default settings active and make the stored settings equal to the factory settings Information Submenu Menu Structure Parameter Type Info POW Positive Watts Consumed POW Negative Watts Consumed SWR Software Release Number SWB Software Build Number Positive Watts Consumed A read only indication of power consumed by the card from the frames 12V rail Negative Watts Consumed A read only indication of power consumed by the card from the frames 7 5V rail Software Release Number A read only indication of the software release number A higher number is newer release of software Software Build Number A read only indication of the software build number Software build number is an internal indicator used by Sierra engineers to differentiate different software builds Factory Default Settings The factory default settings are as follows 1 The proc module is enabled but all parameters are set to unity Page 14 of 23 ADC 124 Owner s Manual e V 2 1 Remote Control In This Chapter This section provides a detailed explanation on using re
18. perly seated or loose cables Check the module the frame and any associated peripheral equipment for signs of trouble Power Check Check the power indicator LED on the distribution frame front panel for the presence of power If the power LED is not illuminated verify that the power cable is connected to a power source and that power is available at the power main Confirm that the power supplies are fully seated in their slots If the power LED is still not illuminated replace the power supply with one that is verified to work Reseat the Card in the Frame Eject the card and reinsert it in the frame Check Control Settings Refer to the Installation and Operation sections of the manual and verify all user adjustable component settings Input Signal Status Verify that source equipment is operating correctly and that a valid signal is being supplied Output Signal Path Verify that destination equipment is operating correctly and receiving a valid signal Module Exchange Exchanging a suspect module with a module that is known to be working correctly is an efficient method for localizing problems to individual modules ADC 124 Owner s Manual e V 2 1 Sierra openGear Warranty A General Buyer assumes all responsibility for ascertaining the suitability of Sierra Video Systems hereinafter SVS products for Buyer s intended use No product sold by SVS is designed or manufactured for use in any manner or under a
19. stallation slot hold the card by the edges and carefully align the card edges with the slots in the frame Then fully insert the card into the frame until the rear connection plugs are properly seated on the midplane and rear modules This completes the procedure for installing the card in the openGear 8310 frame Software Version This manual is written for software release number 2 0 To view the current software release number of your ADC 124 check the information submenu on the front edge controls or the card info menu in DashBoard Q To upgrade your ADC 124 software go to the download page at www sierravideo com to download the latest release and upload the file through DashBoard see DashBoard user manual 3 5 ADC 124 Owner s Manual e V 2 1 Page 11 of 23 Card Control and Status Card Status The card indicates the status of the input signal with the four blue LEDs labeled with the different supported formats 1080 720 625 525 When the card has locked to a particular input format that LED will be illuminated When the card has not locked to a particular video format the card will search all possible formats and the lights will cycle rapidly Menu Navigation The card can be configured from a menu system built in to the front card edge This provides an intuitive and easy to use method for exploring and using the features of the card The menu is navigated by using the toggle switch and the two push buttons
20. t 0 4 typical Differential Gain SD lt 0 4 typical Noise lt 64dB Luma Flat Field lt 61dB Luma Ramp Analog Front End Crosstalk Within Noise Floor Measurement Return Loss Number of Outputs gt 20dB to 30MHz Impedance Return Loss 2 HD SD SDI BNC per IEC 60169 8 Amendment 2 gt 15 dB at 5MHz 270MHz gt 12 dB at 270MHz 1 485GHz Signal Level 800 mV 10 DC Offset 0 Volts 50 mV Jitter HD lt 0 15UI all outputs SD lt 0 06UI all outputs Overshoot lt 0 2 of amplitude Specifications are subject to change without notice ADC 124 Owner s Manual e V 2 1 Page 17 of 23 Service Information In This Chapter This chapter includes the following sections Troubleshooting Checklist Warranty and Repair Policy Troubleshooting Checklist Routine maintenance to this openGear product is not required In the event of problems with your card the following basic troubleshooting checklist may help identify the source of the problem If the module still does not appear to be working properly after checking all possible causes please contact your openGear products distributor or the Technical Support department at the numbers listed under the Contact Us section at the end of this manual 1 Page 18 of 23 Visual Review Performing a quick visual check may reveal many problems such as connectors not pro
21. turned to SVS under this warranty SVS will bear the cost of shipping repaired products or replacement parts to the Buyer This limited warranty shall not apply to any of SVS s goods which have been altered or which shall have been subjected to misuse mishandling improper storage or negligence The aforementioned provisions do not extend the original warranty period of any goods which have been replaced by SVS This limited warranty shall not apply to any goods not of SVS s manufacture Buyer to be entitled only to the warranty set forth in the original manufacturer s limited warranty THIS LIMITED WARRANTY IS EXPRESSED IN LIEU OF ALL OTHER WARRANTIES EXPRESS IMPLIED OR STATUTORY INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER OBLIGATIONS OR LIABILITIES ON SVS S PART SVS neither assumes nor authorizes any other person to assume for SVS any other liabilities in connection with the sale of products of its own manufacture 2 SVS s liability hereunder on any claim of any kind except as set forth herein for any loss injury to person or property or damage shall in no case exceed the price allocable to the goods which give rise to such claim 3 Inno event shall SVS be liable for any damages or injuries to person or property if any goods do not meet the above limited warranty including without limitation incidental expenses or consequential or special damages except
22. ure that the frame is properly installed according to instructions 2 On the rear of the 8310 locate the card frame slot 3 As shown in Figure 2 seat the bottom of the rear module in the seating slot at the base of the frame s back plane Screw Hole Module Seating Slot Figure 2 Rear Module Installation 4 Align the top hole of the ADC 124 A with the screw hole on the top edge of the 8310 back plane 5 Using a Phillips driver and the supplied screw fasten the rear module to the 8310 back plane Do not over tighten All modules are installed using the same method above The following section contains a drawing of the ADC 124 A module ADC 124 Owner s Manual e V 2 1 Page 9 of 23 Rear Module Available for ADC 124 Figure 3 BNC Designations for the Card Rear Module available for the ADC 124 OOOO OOOO ADC 124 A Page 10 of 23 ADC 124 Owner s Manual e V 2 1 Board Installation Use the following steps to install the card in the openGear 8310 frame 1 Refer to the Owner s Manual of the openGear 8310 frame to ensure that the frame is properly installed according to instructions Heat and power distribution requirements within a frame may dictate specific slot placement of cards Cards with many heat producing components should be arranged to avoid areas of excess heat build up particularly in frames using convection cooling Warning 2 After selecting the desired frame in
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