MicroLite Receiver Manual
Contents
1. 2 3 1 2 3 2 2 3 3 Revision 1 1 Figure 2 1 Internal Block Diagram Dual Antenna Inputs The MLR has two SMA antenna input connectors The input impedance of the antenna connectors are 50 ohms The frequency band supported by the antenna connectors are labeled next to the antenna inputs Dual Microwave Receiver COFDM Demodulator Circuits The MLR is capable of receiving COFDM transmissions from compatible products in multiple bands The receiver standards supported by the MLR support high data rates with low error rates Each antenna input is filtered and amplified by a low noise amplifier The output of the amplifier is filtered again at the input of the RF receiver circuit The receiver mixer down converts the received signals to the internal IF frequency The COFDM demodulator is programmable to support transmission modes offering different data rates Refer to Chapter 5 for more information The output of the COFDM demodulator circuits contains transport streams carrying audio video and user data Maximal Ratio Combining Circuit This feature enhances the robustness of the receiver when line of site obstructions occur in the transmission path 12 MicroLite Receiver User Manual 2 3 4 2 3 5 2 3 6 2 3 7 2 3 8 2 3 9 MPEG4 Decoder The MLR contains a built in MPEG4 H 264 part 10 compliant decoder The decoder audio and video output is available on the SDI output jack Both HD SDI and SD SDI ar2. 2 1 This chapter describes the MLR features and theory of operation It also includes a block diagram of the MLR and a description of the internal circuits microLite Features and Benefits Table 2 1 summarizes key features and benefits of the MLR The microLite Receiver is a receiver that utilizes advanced silicon tuners and dual antenna inputs for robust error free signal reception The MLR can receive either HD or SD video transmissions using COFDM modulated microwave signals The MLR uses maximal ratio combining to take advantage of its dual antennas The silicon tuners employed in the microLite Receiver includes low noise amplification automated gain control mixing tuning and demodulation functions on one integrated circuit This facilitates low power high performance and space savings The microLite Receiver contains a built in industry compliant MPEG4 H 264 part 10 decoder The MLR can output ASI HD SDI SD SDI or Composite video as well as User Data Stereo audio is included on the ASI and SDI outputs and the WLR has left and right audio output jacks The MLR features a 100 Mbps Ethernet LAN interface for streaming video over IP This feature uses UDP IP and allows received video to be viewed remotely using MPEG4 decoder software on a personal computer A compatible MPEG4 decoder that runs on your remote host PC is required for this application The top panel of the microLite Receiver has signal strength status and mo
3. The MLR is pre programmed for its operating environment using a built in web GUI via LAN or optional Remote Control Windows PC GUI Stereo Audio Line Outputs Remote Control Via RS 232 Serial Interface Users can quickly select one of 16 pre programmed preset Faceplate User Interface with configurations This is through the programmable serial interface or Presets and Status LED s by using the optional front panel user interface Status and Alarm information is available at a glance Rugged Compact Housing Integrated in small form factor Revision 1 1 10 MicroLite Receiver User Manual 2 2 Frequency Bands The microLite Receiver is available in the following bands Table 2 2 MLR Frequency Bands Base Part Number Frequency GHz 21MLR 2 025 2110 23MLR 2 200 2 400 58MLR 5700 6000 2 3 microLite Receiver Theory of Operation Major blocks in the MLR diagram include Dual Antenna Inputs Dual Microwave Receiver and COFDM Demodulator Circuits Dual Input Maximal Ratio Combining Circuit MPEG4 Video Decoding Circuit Video Output Interfaces ASI SDI and Composite Video Left and Right Audio Output Interfaces Preset Selection and Status Monitoring User Interface Optional Programmable Serial Interface and Internal Control CPU With Flash Memory Interface For Firmware Upgrades Power Circuitry Refer to Figure 2 1 Internal Block Diagram for following discussion Revision 1 1 11 MicroLite Receiver User Manual
4. RF Central s microLite Receiver MLR The MLR is a compact narrowband COFDM microware receiver that utilizes dual antenna diversity for robust error free signal reception The MLR is ideal for applications requiring a full featured high performance HD or SD receiver housed in a compact enclosure ASI HD SDI SD SDI Composite video User Data and streaming video outputs are available from the MLR The MLR uses industry standard output connectors for compatibility with a wide range of AV equipment 1 1 Manual Overview Throughout this manual the product is referred to as the microLite the microLite Receiver the MLR microLite RX or simply the receiver The contents of this manual are as follows Chapter 2 Describes the features and theory of operation of the MLR receiver Chapter 3 Contains a list of product specifications The specifications include the receiver s frequency bands channels demodulator specifications decoding specifications size power requirements environmental specifications and VO specifications Chapter 4 Explains how to install the product Chapter 5 Describes operating procedures for the receiver using the push button user interface built into the unit The rear of the manual contains warranty and repair information Revision 1 1 7 MicroLite Receiver User Manual Description Revision 1 1 MicroLite Receiver User Manual 2 MICROLITE Description
5. of settings by assigning a Preset number The Presets are recalled by using either the faceplate user interface or the Remote Control PC GUI or the Web GUI interfaces 2 4 Remote Control and Firmware 2 4 1 Revision 1 1 Remote Control via Ethernet An Ethernet port allows remote control of all configuration options as well as monitoring of internal status and settings The IMT NanoController GUI is available for controlling the unit via the Ethernet port Any Windows compatible computer running Windows XP Vista 7 with 500 MB of memory and 1 GHz Pentium or above can be used Refer to Chapter 5 Operation for more information 13 MicroLite Receiver User Manual 2 4 2 2 4 3 Revision 1 1 Remote Control via RS 232 An RS 232 command set is implemented to allow remote control of all configuration options as well as monitoring of internal status and settings Commands and responses are sent via the RS 232 serial interface on the 9 pin connector The IMT NanoController GUI is available for controlling the unit via the RS 232 serial interface Any Windows compatible computer running Windows XP Vista 7 with 500 MB of memory and 1 GHz Pentium or above can be used Refer to Chapter 5 Operation for more information Firmware updates Update unit firmware via the Ethernet interface Contact IMT Tech Support for additional details 14 MicroLite Receiver User Manual Revision 1 1 Specifications 15 Micr
6. through telephone consultation return to the factory may be required Loaner items may be available until the repaired items are returned For out of warranty equipment only We evaluate all returned units and then confers with the client on corrective action If no fault is found or no corrective action is authorized a diagnostic fee may be charged Prior to returning products to the factory please obtain a return material authorization RMA number and shipping instructions from Tech Support When returning equipment it is very helpful to enclose a note containing the following e RMA number e Serial number e A detailed description of the problem e Name of an engineer or technician we may contact regarding problems encountered e A ship to and bill to address Ship all returns to IMT LLC Attn RMA your RMA number 200 International Drive Mt Olive NJ 07828 USA 908 852 3700 For International returns In addition to the instructions above when shipping internationally we recommend the use of a courier such as Federal Express UPS etc and that the goods be shipped DOOR TO DOOR PRE PAID This will reduce Customs costs handling charges and delays Enclose all the information above plus a statement that the equipment was manufactured in the United States the latter is needed to expedite customs processing Revision 1 1 29 MicroLite Receiver User Manual IMT LLC 200 International Drive Mt Oli
7. AS Encoded Video Output DC In Power Supply Input 2 5mm jack Ethernet Port 100mbps LAN Interface RJ45 Remote User Data RS 232 Connector DB 9 Revision 1 1 20 MicroLite Receiver User Manual WARNING DO NOT OPEN THE MICROLITE The MicroLite contains no user serviceable parts Do not open the MicroLite housing Failure to comply will result in voiding of the Warranty 4 3 Physical Installation Remove microLite Receiver MLR from the case The mounting bracket with MLR is preassembled Attach MLR to the Magic Arm using tripod mount bracket Connect Video output as needed BNC connector Connect audio output as needed RCA jacks Connect RX antennas larger sector directional to the RF Inputs N Type Aim directional sector antennas in the general area of MLT operation Connect power source to the MLR using the power cable supplied Select MLR preset using the set button Revision 1 1 21 MicroLite Receiver User Manual 4 4 Connect External Signals The microLite Receiver has the following major output interfaces A ee ee ee 0e o 4 4 1 4 4 2 4 4 3 4 4 4 Revision 1 1 Power Interface RS 232 Serial Port Left and Right Audio Outputs Composite Video Output not down converted from HD ASI Video Output SDI Output for HD SDI and SD SDI Video User Data Audio and Video Connect the desired Audio and Video outputs to A V monitoring devices with appropriate cables The MLR has RCA j
8. MICROLITE RECEIVER HD SD COFDM Dual Diversity Receiver User Manual IMT PUBLICATION M23 0005 00A REV 1 1 de i r RF Central Vitec Group brand MicroLite Receiver User Manual Revision History Date Revision Modified by Description May 16 2011 Dave Anderson i ss June 13 2011 oe Mike Hardy eae August 8th 2011 0 1D Mike Hardy Ongoing updates and clarifications October 12 2011 0 2D BETA Mike Hardy Clarified future dual band option 11 05 2011 3D Sean Van Added Theory of Operation and Description 11 27 2011 4D Sean Van Added Formats formatting and Specifications 01 05 2011 5D Sean Van Updated FCC and CE 01 23 2011 Updated added up to date drawings 6D Sean Van updated specifications and formatting 02 06 12 Updated operational data 02 07 2012 1 0 Sean Van Review and Initial Release Changed Chapter 4 to Installation and ea u Sean VaN Operation Added Figure 4 1 Revision 1 1 MicroLite Receiver User Manual Publication M23 0005 00A IMT LLC 200 International Drive Mt Olive NJ 07828 USA T 1 908 852 3700 F 1 908 813 0399 www imt solutions com i RF Central Vitec Group brand MicroLite Receiver User Manual We make every effort to ensure our documentation is as accurate and as complete as possible In the event that you find any errors or omissions please contact Customer Tech Support at 908 852 3700 or via email at service nu
9. acks for audio and 75ohm BNC connectors for Composite Video SDI and ASI Power Connect an appropriate DC power source to the DC in connector The power source requirements are listed in Chapter 3 Specifications Power supplies and cables are supplied with the unit RS232 Control and User Data If desired connect a suitable cable to the 9 pin D Remote User Data connector per the pinout below Cables are available from ZMT Table 4 2 Remote Control User Data Pinout Pin Function Notes N C RX INA Remote Control TX OUT A Remote Control N C un Ground Ground TX OUT B User Data RX INB User Data N C DIS N C ASI Out If required connect a suitable ASI output cable 75Q BNC 22 MicroLite Receiver User Manual 4 5 Connect Antennas Connect antennas directly to the N RF input connectors or via 50 Ohm cables WARNING If cabling the MLR directly to a transmitter e g for testing you must use in line RF attenuators 50dB minimum recommended Figure 4 3 MLR Antenna Connectors Revision 1 1 23 MicroLite Receiver User Manual Revision 1 1 Operation 24 MicroLite Receiver User Manual 5 5 1 5 2 5 3 Revision 1 1 Operation While this chapter contains basic information about the operation of the microLite Receiver the programming of the unit including preset configuration via the NanoController GUI is not covered Please refer to the NanoController manual IMT Publicat
10. comm com Copyrighted 2012 IMT LLC Mount Olive New Jersey 07828 NOTICE This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Revision 1 1 3 MicroLite Receiver User Manual microLite Receiver User Manual Contents 1 2 4 Introduction 1 1 Manual Overview MICROLITE Description 2 1 microLite Features and Benefits 2 2 Frequency Bands 2 3 microLite Receiver Theory of Operation 2 3 1 Dual Antenna Inputs 2 3 2 Dual Microwave Receiver COFDM Demodulator Circuits 2 3 3 Maximal Ratio Combining Circuit 2 3 4 MPEG4 Decoder 2 3 5 Video Outputs 2 3 6 Audio Outputs 2 3 7 User Data Output 2 3 8 Video over IP Encapsulation for Streaming Video 2 3 9 Faceplate Status Display and Preset User Interface 2 4 Remote Control and Firmware 2 4 1 Remote Control via Ethernet 2 4 2 Remote Control via RS 232 2 4 3 Firmware updates Specifications 3 1 Frequency Bands and RF Performance 3 2 Modulation Modes 3 3 Diversity 3 4 MPEG 4 Decoder 3 4 1 Video 3 4 2 Audio 3 5 System 3 6 Power Requirements 3 7 Environmental 3 7 1 Temperature Range 3 7 2 Altitude 3 7 3 Physical Characteristics 3 8 User Interface and Remote Control I
11. e User Data View User Data by using a laptop PC with a Terminal program The User Data is through the RS 232 DB 9 connector Refer to Table 2 1 for pin out Contact IMT for details 5 8 Maintenance Information Follow these procedures when maintaining the device Dry the device immediately if it comes into contact with water or other liquids Warranty does not cover liquid damage Do not submerge the device or use it directly in rain Do not open the device This voids the warranty Keep the device clean by wiping with a soft dry cloth If necessary dampen only using a solution suitable for cleaning electronic devices Warranty does not cover cleaning damage Revision 1 1 27 MicroLite Receiver User Manual Proprietary Information and Disclaimer Notice All information and graphic images contained within this manual are the sole property of IMT LLC and are issued in the strictest of confidence This material may not be reproduced stored copied or converted in any form nor shall it be disclosed to others or used for manufacturing or any other purpose without the written permission of authorized IMT personnel IMT has made every effort to ensure the accuracy of this material at the time of printing However as the specifications equipment and this manual are subject to change without notice IMT assumes no responsibility or liability whatsoever for any errors or inaccuracies that may appear in this manual or for any decisi
12. e output on the SDI jack Video Outputs Video output jacks include e ASI MPEG4 encoded transport stream e SDI HD SDI and SD SDI audio and video e Composite Video The MLR composite video output circuit automatically outputs either NTSC or PAL per the user specified settings Audio Outputs The MLR has left and right audio line output jacks Stereo audio is also part of the ASI and SDI video outputs The Audio output jacks are 75 Ohm RCA connectors User Data Output A data channel is transmitted with the audio and video information Access of the data channel is through the RS 232 serial interface output connector The baud rate and other RS 232 parameters are programmable Video over IP Encapsulation for Streaming Video The MLR features a 100 Mbps Ethernet LAN interface for streaming video over IP This feature allows received video to be viewed remotely using MPEG4 decoder software on a personal computer Faceplate Status Display and Preset User Interface If you commonly use several configurations in the field the faceplate LED preset settings and Set selector button provide a quick way to change pre programmed configurations Status information is also presented by LED s Refer to Chapter 5 for more information The Preset configurations are pre programmed using the Remote Control Windows PC GUI or Web GUI interface To program a preset adjust any of the settings within the MLR and then save the current group
13. ion M27 0001 00A for detailed information on how to program and configure the unit In this section you will find information on how to use the MLR to receive video audio and user data and how to stream video to a PC or network Power up the MicroLite Receiver Turn on the power to the overall system The MLR requires up to 20 seconds to complete the power up sequence Supply current will jump up in steps as internal circuits are powered The final DC supply current will settle after 20 seconds The MLR contains flash memory which retains all stored preset configuration settings when the unit is not powered Pre Configure the MLR user options The MLR has a wide range of programmable settings Before using the MLR in your application you should pre configure it to for the settings you want to use in your application Settings are selected and configured using the NanoController software or a third party alternative Please refer to the NanoController documentation for details or contact IMT Technical Support Control and LED Interface Figure 5 1 Front Panel Controls and Indicators The MLR has several Buttons and LED s on the front panel to perform basic operation and view unit status Any changes made via a remote control interface will be reflected by the front panel LED s 25 MicroLite Receiver User Manual The MLR can be pre configured using the programmable serial interface and then quickly changed between pre
14. nitoring LEDs that provide useful information at a glance The user interface also features a selector button for choosing between 16 pre programmed configurations called Presets Though the unit ships pre configured a graphical user interface that runs on a Windows PC is available to modify the operating parameters IMT has the ability should the need ever arise to provide the user with firmware files and instructions for local firmware installation such as for feature upgrades etc Revision 1 1 9 MicroLite Receiver User Manual Table 2 1 MICROLITE RECEIVER Summary of Features and Benefits Feature Benefit COFDM facilitates high data rates and robust signal reception Receives both high definition and standard definition video transmissions Dual Antenna Diversity Using Best aspects of the transport stream received using either antenna is Maximal Ratio Combining used yielding robust error free reception MPEG4 H 264 part 10 Industry standard video decoding Video Decoder Integrated with IMT maximal ratio combining scheme ASI HD SDI or SD SDI and Compatible with industry standard A V equipment Composite Video Outputs SDI format switches automatically between HD and SD COFDM HD and SD Microwave Receiver User Data Channel An RS 232 data channel is received along with the program streams Line audio outputs for connection to headphones an amplifier or recorder Audio is also available in ASI and SDI outputs
15. nstallation Revision 1 1 O NN 11 12 12 12 13 13 13 13 13 13 13 13 14 14 16 16 16 16 16 16 16 17 17 17 17 17 17 17 19 MicroLite Receiver User Manual 4 1 Overview 4 2 Identifying MLR Physical Features and Interfaces 4 3 Physical Installation 4 4 Connect External Signals 4 4 1 Audio and Video 4 4 2 Power 4 4 3 RS232 Control and User Data 4 4 4 ASI Out 4 5 Connect Antennas 5 Operation 5 1 Power up the MicroLite Receiver 5 2 Pre Configure the MLR user options 5 3 Control and LED Interface 5 3 1 Buttons 5 3 2 Status Indicators 5 4 Using the MLR to Receive Audio and Video 5 5 Verify Operation 5 6 Streaming Video over IP Ethernet 5 7 Using the MLR to Receive User Data 5 8 Maintenance Information Figures Figure 2 1 Internal Block Diagram Figure 4 1 Output Connectors Figure 4 3 MLR Antenna Connectors Figure 5 1 Front Panel Controls and Indicators Tables Table 2 1 MICROLITE RECEIVER Summary of Features and Benefits Table 2 2 MLR Frequency Bands Table 4 1 Output Connectors Table 4 2 Remote Control User Data Pinout Revision 1 1 19 19 21 22 22 22 22 22 23 25 25 25 25 26 26 26 26 27 27 27 12 20 23 25 10 11 20 22 MicroLite Receiver User Manual Introduction Revision 1 1 MicroLite Receiver User Manual 1 Introduction This document is a user manual for
16. oLite Receiver User Manual 3 Specifications 3 1 Frequency Bands and RF Performance Base Part Number Frequency GHz 23MLR 2 025 2 500 S58MLR 5 725 5 850 e Tuning step size 250 KHz e Frequency stability 10ppm 3 2 Modulation Modes Modes are auto detected within modulation format 3 3 Diversity Dual Receivers Channels 2 input Maximum Ratio Combining 3 4 MPEG 4 Decoder 3 4 1 Video e Modulation Formats COFDM DVB T e Carriers 2K e Constellation QPSK 16QAM 64 QAM e Code Rate 1 2 2 3 3 4 5 6 7 8 e Guard Interval 1 32 1 16 1 8 1 4 e Bandwidth 6 MHz and 8 MHz e Method MPEG 4 Part 10 H 264 e Video Coding AVC e Video Output Composite and SDI e SD SDI output ANSI SMPTE 259M e HD SDI output ANSI SMPTE 292M 3 4 2 Audio e Audio Channels 1 Stereo 2 Mono e Audio Coding ISO IEC 11172 3 Layer VID e Audio Sample Rate 48Khz e Audio Output Levels Direct line output or adjustable gain output e Embedded Audio Available in SDI as embedded audio Revision 1 1 16 MicroLite Receiver User Manual 3 5 System ASI Output User Data Latency Ethernet Streaming Video Remote Control 3 6 Power Requirements Input range Power consumption 3 7 Environmental 3 7 1 Temperature Range e Full specification e Storage e Humidity 3 7 2 Altitude e Operating e Storage 3 7 3 Physical Characteristics e Size e Weight 3 8 User Interface and Remote Control One b
17. ons based on its use This manual is supplied for informational purposes only and should not be construed as a commitment by IMT Warranty Equipment manufactured by IMT LLC is warranted to meet all published specifications and to be free from defects in material and workmanship within a period of two years from date of original shipment The company s liability under this warranty is limited to e Servicing or adjusting equipment e Replacement of defective parts Any equipment returned to the factory shall have the freight paid for by the buyer Equipment showing damage by misuse abnormal conditions of operation or attempts to repair by other than authorized service personnel shall be excluded from this warranty IMT shall in no event be responsible for incidental injury or property damage Since IMT has no control over conditions of use no warranty is made or implied as to suitability for the customer s intended use beyond such performance specifications as are made part of the purchase order There are no warranties expressed or implied except as stated herein This limitation on warranties shall not be modified by verbal representations Shipping Damage Equipment shipped FOB IMT shall become the property of buyer upon delivery and receipt from carrier Any damage in shipment should be handled by the buyer directly with the carrier Immediately request the carrier s inspection upon evidence of damage in shipment Field Ser
18. set modes using the Set pushbutton 5 3 1 Buttons e Set Button Advances the unit through the presets The 1 12 LED s indicate in GREEN which preset is currently active e SCAN future Feature Scan available presets until it locks on an incoming signal 5 3 2 Status Indicators Alarm Normally OFF If an Alarm is present the LED will be RED Rx Lock When YELLOW the demodulator is locked Streaming Indicates that the unit is streaming video through the Ethernet port Decoder Decoder Operating RSSI LED s will light to provide a Received Signal Strength Indicator 5 4 Using the MER to Receive Audio and Video The MLR receives and demodulates COFDM radio signals from the microLite Transmitter It then decodes the MPEG4 transport stream for output The dual antenna diversity feature of the MLR is used to maximize the robustness of video reception The primary goal of dual antenna diversity is to enable the user to prevent line of site obstruction on the transmission path from causing receiver errors to occur By separating the antennas the user has two chances to receive the signal properly regardless of obstructions between the transmitter and MLR antennas Properly directing your antenna to the transmit source is key obtaining the best range possible Video may be viewed on a monitor which accepts SD Composite video or SDI MPEG4 encoded video is also included in the transport stream on the ASI output and mu
19. st be decoded using an MPEG4 decoder prior to viewing on a monitor Audio can be output to a recorder or amplifier Audio is also embedded in SDI outputs and included in the transport stream on the ASI output Streaming video and audio can be output via a laptop or PC with a compatible MPEG4 decoder program 5 5 Verify Operation After installing the MLR turn on the power to the receiver and your overall system The LED s on presets 1 4 will sequentially illuminate until boot up is complete Verify operation of the MLR by using the following methods Revision 1 1 26 MicroLite Receiver User Manual Use the Remote Control Interface and or the Web GUI interface to verify the status of the MLR Use a video monitor to view SD Composite video NTSC or PAL as appropriate Display video on equipment with ASI or SDI input connectors This may include video analysis equipment or PC s with ASI or SDI input cards used for video storage and editing To stream video over IP use the Ethernet connection to a PC or laptop running a compatible MPEG4 audio and video decoder program Note When operating in low latency external MPEG4 software hardware decoders may not work 5 6 Streaming Video over IP Ethernet The MLR is pre configured to stream video over IP on its Ethernet port To stream video over IP use the Ethernet connection to a PC or laptop running a compatible MPEG4 audio and video decoder program 5 7 Using the MER to Receiv
20. utton control 16 user defined presets Remote RS232 WEB GUI Revision 1 1 Auto output rate follows modulation or fixed output user selectable PCR Retime stamp RS232 Side channel 300 115K Baud using MicroLite Transmitter o 4 frames in Low Latency Mode for all formats except PSF o 5 frame in Low Latency Mode for PSF formats 100 Mbps Ethernet interface Streaming MPEG TS over UDP RTSP Via LAN and or PC GUI DC 9 to 32 9W Typical 10 to 50 C Ambient 40 to 80 C 0 to 95 non condensing 20 000ft 6 000 m 50 000ft 15 000 m 3 7 XS RIS 620g 1 41bs 17 MicroLite Receiver User Manual Installation and Operation Revision 1 1 MicroLite Receiver User Manual 4 Installation and Operation 4 1 Overview This chapter contains steps for installing the MicroLite Receiver in typical environments where it may be used 4 2 Identifying MLR Physical Features and Interfaces 6 12 ES H O p amp i Il A a 3 69 oi a Oo _ 68 5 00 oi R I EU 4 1 LE 1 10 cd d 1 50 4 AI am i 36 H BS 45 4 1 microLite Outline Drawing Revision 1 1 19 MicroLite Receiver User Manual Figure 4 2 Output Connectors Table 4 1 Output Connectors Item Description Connectors Left Right Audio Line Outputs 75 Ohm RCA SDI HD SDI or SD SDI Output BNC Video Composite Video PAL or NTSC BNC BNC
21. ve NJ 07828 USA T 1 908 852 3700 F 1 908 813 0399 www imt solutions com i i RF Central A Vitec Group brand Revision 1 1 30
22. vice IMT products are designed with easy access to components to facilitate service However some modules cannot be service in the field To prevent voiding of the warranty please contact Tech Support before servicing or making any repairs The user is cautioned to read all module descriptions in this manual Warnings are included in the circuit descriptions and on certain modules themselves Replacement Modules Troubleshooting to the component level is often not cost effective and frequently impossible Often the practical method of effecting repairs is to substitute known good spare modules for suspect units Replacement modules for our standard product line are usually available Revision 1 1 28 MicroLite Receiver User Manual Technical Support Information Technical Support personnel are available to extend technical assistance to customers while installing operating or troubleshooting IMT equipment Please have your model number and serial number available Telephone During IMT business hours 8 30am 5 30pm EST 5 Hours GMT call l D EA A TAA E A A 908 852 3700 International useeeeeeeeeeeeeeeeeeeeeeeeennnenenn 001 1 908 852 3700 After hours call US or International 888 531 3892 Email Email address vccccccscsesssessscasssavscanscanecasesanccasesanecasae service nucomm com Internet Web addiess u una ein www imt solutions com Equipment Returns If equipment cannot be successfully restored
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