[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-663997-105":59,"doc-detail-663997-en":129},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":122,"head_meta":124,"extra_data":126,"updated_unix":128},105,"en","appendix-c-ifr-3920-test-procedures-maintenance-guide","Appendix C: IFR 3920 Test Procedures - Maintenance Guide","","Appendix C provides maintenance-oriented test procedures for MT-4E analog and P25 digital radio systems using the IFR 3920 service monitor by Aeroﬂex. It outlines how to tune, test, maintain, and service the MT-4E radios, including configuration upload workflows via USB or network, use of Radio Service Software (RSS), and detailed testing sections covering general setup, connections, regulator and voltage checks, receiver and transmitter analog/digital verification, and bit error rate and RF alignment activities. It also includes safety and warranty guidance and notes on modifiable procedures.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/appendix-c-ifr-3920-test-procedures-maintenance-guide/663997/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/appendix-c-ifr-3920-test-procedures-maintenance-guide/663997.png","ImageObject",300,407,{"name":92,"@type":93},"AditGamingID","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29",true,{"@type":101,"interactionType":102,"userInteractionCount":8},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What is Appendix C intended to help with for MT-4E radios and the IFR 3920?","Question",{"text":111,"@type":112},"It provides instructions to tune, test, maintain, and service MT-4E analog and P25 digital radio systems using the IFR 3920 service monitor by Aeroﬂex.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"How are Codan configuration files uploaded to the IFR 3920?",{"text":116,"@type":112},"Configuration files can be uploaded from a USB flash drive to the test set via the USB port and file management utilities, or from a computer when the test set is connected to your network.",{"name":118,"@type":109,"acceptedAnswer":119},"What kinds of tests does the chapter cover for receiver and transmitter performance?",{"text":120,"@type":112},"Receiver testing includes analog, digital, bit error rate, and RF alignment and oscillator adjustment topics; transmitter testing includes analog, CTCSS, and digital testing sections.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},663997,1793236167,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":128,"read_time":143},962094249103,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Appendix C: IFR 3920  \nTest Procedures  \nMAINTENANCE GUIDE  \n[www.codancomms.com](www.codancomms.com)  \nMAINTENANCE GUIDE | MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS  \nContents  \nAppendix C: IFR 3920 Test Procedures................................. 1  \nMT-4E Testing with the IFR 3920 by Aeroﬂex ............................................ 1  \nGeneral Set-Up and Connections .............................................................. 2  \nUploading Codan Conﬁgurations to the IFR 3920...........................................2  \nRadio Service Software (RSS) ........................................................................3  \nControl Cards ..................................................................................................3  \nAdapters, Cables and Extender Cards ............................................................3  \nCodan MT-4E Radio System Test Sheet .........................................................3  \nTurning OFF the MT-4E Receiver and Transmitter Modules ...........................4  \nAudio Connections ..........................................................................................5  \nSystem Regulator Testing .......................................................................... 6  \nSystem Voltage Testing ...................................................................................6  \nReceiver Testing......................................................................................... 7  \nReceiver Analog Testing ..................................................................................7  \nReceiver Digital Testing ................................................................................. 11  \nReceiver Bit Error Rate Testing .....................................................................13  \nReceiver RF Preselector Alignment and Tuning............................................15  \nReceiver Reference Oscillator Adjustment ....................................................17  \nTransmitter Testing................................................................................... 20  \nTransmitter Analog Testing ............................................................................20  \nTransmitter CTCSS Testing ...........................................................................26  \nTransmitter Digital Testing .............................................................................29  \nSystem Testing ......................................................................................... 33  \nDuplex Analog Testing ...................................................................................33  \nDuplex Digital Testing ....................................................................................36  \nPage i  \nMT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS | MAINTENANCE GUIDE  \nAPPENDIX C: IFR 3920 TEST PROCEDURES  \nMT-4E TESTING WITH THE IFR 3920 BY AEROFLEX  \nThis Chapter contains instructions for Tuning, Testing, Maintaining and Servicing MT-4E Analog and P25 Digital Radio Systems with the IFR 3920 Service Monitor by Aeroﬂex.  \nThis Chapter is intended as an aid to conﬁguring and testing Codan MT-4E radios using the IFR 3920. Neither Codan Limited or Aeroﬂex Inc. assume responsibility for damage caused to either unit as a result of misinterpretation or misuse of this procedure. Codan manufactured products are warranted against defective materials and workmanship. This warranty does not extend to damage due to misuse, neglect, accident, improper conﬁguration or installation. Codan and Aeroﬂex shall be released from all obligations under its respective warranty in the event the Products are subject to misuse, neglect, alteration, accident, improper installation or testing, or if unauthorized repairs are performed by the customer or others.  \nThese procedures can be modiﬁed, changed and altered at any time to better suit your speciﬁc needs and requirements. Refer to Codan Communications Instruction Manuals for complete radio s","cbCaio46QNjjDxuj","https://ap.wps.com/l/cbCaio46QNjjDxuj","pdf",4983665,42,"English","# Appendix C: IFR 3920 Test Procedures\n## MT-4E Testing with the IFR 3920 by Aeroﬂex\n## General Set-Up and Connections\n## Uploading Codan Configurations to the IFR 3920\n## Radio Service Software (RSS)\n## Control Cards\n## Adapters, Cables and Extender Cards\n## Codan MT-4E Radio System Test Sheet\n## Turning OFF the MT-4E Receiver and Transmitter Modules\n## Audio Connections\n## System Regulator Testing\n## System Voltage Testing\n## Receiver Testing\n## Receiver Analog Testing\n## Receiver Digital Testing\n## Receiver Bit Error Rate Testing\n## Receiver RF Preselector Alignment and Tuning\n## Receiver Reference Oscillator Adjustment\n## Transmitter Testing\n## Transmitter Analog Testing\n## Transmitter CTCSS Testing\n## Transmitter Digital Testing\n## System Testing\n## Duplex Analog Testing\n## Duplex Digital Testing","[{\"question\":\"What is Appendix C intended to help with for MT-4E radios and the IFR 3920?\",\"answer\":\"It provides instructions to tune, test, maintain, and service MT-4E analog and P25 digital radio systems using the IFR 3920 service monitor by Aeroﬂex.\"},{\"question\":\"How are Codan configuration files uploaded to the IFR 3920?\",\"answer\":\"Configuration files can be uploaded from a USB flash drive to the test set via the USB port and file management utilities, or from a computer when the test set is connected to your network.\"},{\"question\":\"What kinds of tests does the chapter cover for receiver and transmitter performance?\",\"answer\":\"Receiver testing includes analog, digital, bit error rate, and RF alignment and oscillator adjustment topics; transmitter testing includes analog, CTCSS, and digital testing sections.\"}]","Appendix C: IFR 3920 Test Procedures - Maintenance Guide | PDF",106]