User`s Manual
Contents
1. Use the left right arrows to change the settings By pressing the M Menu key a second time other settings such as language type input type DVB or Video Pic Mod Screen orientation and Color Sys Auto NTSC PAL or SECAM can be programmed If Video is selected as the input type composite video from another source will be displayed on the monitors screen Figure 18 shows the picture screen Figure 19 shows the system screen 100 M0064X6 20 of 23 BRIGHTNESS 64 Figure 18 Figure 19 Note When the DMR is used as a receiver the Input field must be set to DVB If Video is selected the DMR will accept audio video from another source at the AV Inputs 100 M0064X6 21 of 23 www cobham com gms 8 Specifications RF amp DVB T COFDM CHARACTERISTICS e Nordig II and ETS 300 744 DVB T full compliance e 174 MHz to 862 MHz frequency range for VHF and UHF Optional BDCs provide reception to 6 GHz in bands Manual Tuning Resolution 1 MHz Auto Search for Commercial Channels OFDM demodulation 2 K and 8K FFT for SFN and MFN Symbol rates up to 60MBPs Automatic adjacent channel interference cancellation Supports QPSK and 16 64 OAM constellations Supports 1 4 1 8 1 16 1 32 guard interval Supports FEC decoding 2 2 3 Y 5 6 and 7 8 Supports reed solomon 204 188 ETS 300 477 DVB MPEG2 transport and de multiplexing e ISO IEC 13818 1 MPEG 2 transport stream compliance Video decoding and OSD ISO IEC 12. 3818 2 MPEG 2 video MP at ML compliance ISO IEC 11172 2 MPEG 1 video compliance Resolution 720 x 480 for NTSC and 720 x 576 for PAL e 16 9 4 3 letterbox and pan scan Audio decoding ISO IEC 13818 3 MPEG 2 audio compliance e Single stereo e Sampling rate up to 48kHz e Supports linear PCM sample rates up to 96kHz Front Panel Power on LED Menu select Channel select CH CH Charge indicator IR detector for remote control Audio volume control Vol Vol Power on switch Left Side Panel e Video in BNC female connector e Video out BNC female connector e Audio output RCA male connectors Two channels Unbalanced output e DC power in 7 15 VDC XLR connector 100 M0064X6 22 of 23 www cobham com gms Mechanical properties e Dimensions WxDxH w o battery 12 3in X 6 5in X 3 58in 314mm x 165 7mm x 91 3mm e Weight 4 6 lbs 2 086 Kg e Operation temperature 1 to 40 degrees Celsius e Storage temperature 0 to 80 degrees Celsius 100 M0064X6 23 of 23 www cobham com gms
3. Users Manual The most important thing we build is trust DVB T MONITOR RECEIVER DMR Cobham Surveillance GMS Products 1916 Palomar Oaks Way Ste 100 Carlsbad CA 92008 100 M0064X6 T 760 496 0055 05 18 09 F 760 496 0057 T wwwcobhamcomgms TABLE OF CONTENTS 1 ACRONYMS cenne r a a E E E Reed 3 2 INTRODUCTION eed odisea iio 4 4 REMOTE CONTROL i edd eniin mid eic bo audi end ola d aida 5 4 HARDWARE OVERVIEW src ii 7 4 1 o A A A AA 9 4 2 PN RES a septs fates scat uo a NANSEN 9 4 3 a T ola uM EIE 10 44 G harging IGN CATO oo obra toot A drar V se arb Pan ewer re e it 10 4 5 TRID ECC CUO PP tan ied 10 4 6 La apodo CoD A A AA 10 4 7 UR POWBI au a codtbe hann icm und d UU INI OSEE Nd TU Ieee iR sara ATERN AR 10 4 8 A RR RIS no CR ERS AURI TRIES SER NS RESI NRI ERE 10 4 9 SM e II ai enian a a a iNT 10 4 10 Video e NO o HIN 10 ANT EN 10 A A AA 10 4 13 Power select WIEN tania 10 5 USE WITH GMS MDL LINK cciociudinnaaiitaaica dada ci n aanasidin caia 11 D OPERATION coord A ia Ri 12 Iran a o ens 12 6 2 Edit Channel iStream aae STEN NP Enden nna ete ree nro 13 63 Program Guide eese onini ira feta itii piena banda dn bU nando totum DE 15 0 24 System Setting Losses e e ssd rna denna sh du Nap botas ids caso TR Sa GOES 16 OS UGY iecit oni cito cote fu o etate tas EO A onsite 16 6 6 Automatic Sede TITRE odas Bare mtd did tutes aar a bad Ea vara R ead Ann ben ann ne roD ador 17 6 7 Mantal Sears al
4. a such as channel number frequency bandwidth and other pertinent information can be stored and saved in a program data file This manual provides information on how to operate the DMR as well as pertinent technical information related to the overall system 100 M0064X6 4 of 23 www cobham com gms 3 Remote Control The remote control allows the user to remotely setup and program the DMR see Figure 1 Table 1 defines the buttons and function o WM Gn Figure 1 100 M0064X6 5 of 23 www cobham com gms REMOTE CONTROL KEYS KEYS FUNCTION Power Switch Off Mute Turn On Off volume TV R Select TV or Radio mode LAST Return to previous channel TV AV DVB Select TV Audio Video or DVB mode SYS Select NTSC PAL or Auto Auto detect PAL or NTSC AUDIO Select Stereo or Mono EPG Display current program information INFO Show channel information DVB MENU Enter DVB T Menu TEXT View Teletext EXIT Exit DVB T Menu PAUSE N A LANG Enter program language menu M MENU Enter Picture System Menu LCD Disables the LCD display Toggle on off CCFL Backlight brightness select 4 3 16 9 Display aspect ratio of LCD display 4 3 or 16 9 OK Confirm Enter lt 0 gt lt 9 gt Numeric keys used to input desired frequency or to choose channels Table 1 100 M0064X6 6 of 23 www cobham com gms 4 Hardware Overview 1 2 3 4567 8 9 1 Figure 2 Front View Ref Table 2 Sp
5. channel list or skipped Flagged as file to be skipped in the channel list By depressing the red button on the remote control a selection can be made See Figure 9 Once a selection has been made depress the OK to perform the selected operation Upon exiting the Edit Channel List menu the user will be asked to save or exit without saving If saved is selected the chosen operation will be executed As an example to delete a file from the channel list do the following 1 Highlight the file to be deleted using the up down arrow keys 2 Press the red button on the remote control 3 Select delete from the pop up menu 4 Press OK 5 Press the DVB Menu button on the remote control 6 The monitor display a message Do you want to save Press OK to save The selected file is now deleted By depressing the yellow button on the remote control the selected file name can be renamed A keypad as shown in Figure 10 will appear Use the arrow keys on the remote control to choose desired characters The OK button is used to enter the selected characters Once the new name has been entered depress the red button on the remote control to save Use the exit key to exit the menu 100 M0064X6 13 of 23 www cobham com gms Fav orme Figure 8 Favorite Favorite 2 F avornte Favornte 4 a Favor a Figure 9 100 M0064X6 as ne Figure 10 6 3 Program Guide The program guide will display the selected
6. channel video and contents as shown in Figure 11 Press the OK button to show program information Press the red button to change the channel list Press the blue button to change the current or next program information The weekly program guide applies only to commercial DTV applications Figure 11 100 M0064X6 15 of 23 6 4 System Setting Use the cursor to highlight the System Setting on the Main menu Press OK to select The screen will as shown Figure 12 System setting allows the user to select key operating parameters such as language screen type 4 3 16 9 time settings factory default reset and display system information Select from the Setup List using the up down arrow keys then press the OK button The available settings are selected from the screen shown on the right After a selection has been made press the OK button Parental lock receiver lock and banner time are used in the DTV commercial application Figure 12 6 5 Utility Use the cursor to highlight the Utility on the Main menu Press OK to select The screen will as shown Figure 13 Utility provides an animated demonstration on how to use the system a means of changing the calendar and games are provided for the user s amusement 100 M0064X6 16 of 23 www cobham com gms Figure 13 6 6 Automatic Searching Use the cursor to highlight the Automatic Search field on the Main menu Press OK b
7. cobham com gms 2 Introduction GMS DVB T Monitor Receiver DMR is a state of the art DTV receiver for mobile portable applications This compact battery or DC operated product contains a DVB T compliant VHF UHF DVB T Receiver 7 inch flat TFT screen monitor a block down converter BDC and dual speakers An analog audio amp video jack is provided for viewing on another monitor or for recording purposes Additionally external audio amp video information can be brought into the DMR and presented on its display This allows the DMR to be used for monitoring external recorder playback or output of navigation devices The DMR can be used for direct commercial DTV reception in countries that use DVB T transmission if a BDC is not installed or it can be used with GMS Messenger Series transmitters and for point to point and point to multi point terrestrial applications When used in conjunction with GMS Block Down Converters BDCs the DMR can cover frequency bands exceeding 7 GHz A typical MDL link includes a Transmitter and the DMR which includes one integral Block Down Converter and antenna This MDL system utilizes a robust digital modulation system known as DVB T COFDM that provides frequency diversity and powerful FEC algorithms This MDL provides a robust wireless link that is effective against the multipath interference experienced by analog systems and provides a clear picture in the most difficult of terrains Channel dat
8. eaker Menu Select CH CH Charging Indicator IR Detector for Remote Control Vol Vol OK Power Hold key depressed for 1 second to turn off power OO Ni OY OT A Go RO Table 2 100 M0064X6 7 of 23 www cobham com gms 0 VIDEO OUT AUDIO L R 3 PWR BATT OFF EXT DC INPUT Figure 3 Rear View Ref Table 3 100 M0064X6 8 of 23 www cobham com gms Figure 4 Left Side Rear View Ref Table 3 1 Battery support Option IDX or Anton Bauer RF Input Antenna input N Female Video Input Composite BNC Female Power select switch Battery or DC input Forward position for battery operation Center position is off Back position for DC input Video Out Composite BNC Female DC input 4 pin XLR External power Pin 1 Ground Pin 4 9 15 VDC Audio out Left Right RCA Female 2 3 4 5 6 7 Table 3 4 1 Speaker The DMR is equipped with two built in audio speakers 42 Menu Select When the Menu key is depressed the main Menu will be displayed on the screen The cursor stops at the first item waiting for user input selection 100 M0064X6 9 of 23 www cobham com gms 43 CH and CH By depressing the CH or CH buttons the user can step thru the channel list if multiple channels have been saved in the DMR s memory 4 4 Charging Indicator When power is turned off and the AC Adaptor
9. eiv ainia lon oia 19 E MOMENE tii a citada 20 8 SPECIFICATIONS casara iia 22 100 M0064X6 2 of 23 www cobham com gms 1 Acronyms This section lists and describes the various acronyms used in this document Name 16 QAM 64 QAM AIV AES ABS ASI COFDM CVBS Y C D C DDR FEC GUI I O Kbaud Kbps Mbps MDL MDL B MDR MDR B MDT MDT B MER MPEG NTSC PAL QPSK RF S N TFT THD SDI VDC 100 M0064X6 Meaning 16 state Quadrature Amplitude Modulation 64 state Quadrature Amplitude Modulation Audio Video Advanced Encryption System 32 bit Messenger Basic Scrambling 8 bit Asynchronous Serial Interface Coded Orthogonal Frequency Division Multiplexing Composite video Luminance with S video Chroma video Down Converter Diversity DVB T Receiver Forward Error Correction Graphical User Interface Input Output Kilobaud per second Kilobits per second Megabits per second Messenger Digital Link Messenger Digital Link Broadcast Version Messenger Digital Receiver Messenger Digital Receiver Broadcast Version Messenger Digital Transmitter Messenger Digital Transmitter Broadcast Version Modulation Error Rate Moving Picture Experts Group National Television System Committee Phase Alternation Line Quadrature Phase Shift Keying Radio Frequency Receiver Signal to Noise Ratio Thin Film Transistor Total Harmonic Distortion Serial Digital Interface Transmitter Volts Direct Current 3 of 23 www
10. is connected the Charging Indicator will be illuminated Green indicates that the battery is charging Red indicates that the battery is charged 4 5 IR Detector The Remote Control Unit communicates with the DMR via the IR detector 4 6 Vol and Vol The Audio volume can be adjusted using the Vol and Vol buttons Vol will increase the volume Vol will decrease the volume 47 OK Power The power can be turned on or off using this button To turn the power off hold the button for at least one second then the power will be removed see section 6 This button has a secondary operation When using the Main menu and sub menus this button is used as an Enter OK key 4 8 RF input Antenna input connection N type connector female 4 9 Video In Used to accept standard composite video in BNC 75 Ohms female 4 10 Video Out The video output composite video is available to supply video to remote video devices BNC 75 Ohms female 4 11 Power The input will accept 9 15VDC 18 Watts The connector used is a male 4 pin XLR type See Table 3 for power and ground connections 4 12 Audio Out Two channels RCA connector of unbalanced audio out Left amp right channels 4 13 Power Select Switch This switch is used to select the source of power for the DMR unit Battery or DC input The forward position will select the battery The back position will select DC Input The center position is off 100 M0064X6 10 of 23 www c
11. lating the frequency For example 5000 5100 100 100 M0064X6 11 of 23 www cobham com gms 6 Operation Press the OK POWER key on the panel to switch on the power Press the MENU key The first item on the screen Channel List is highlighted as shown in Figure 6 By using the Up Down arrow keys the user can scroll thru the menu items To select an item from the menu press OK The Exit key on the remote control will turn off the Menu screen Figure 6 6 1 Channel List Use the cursor to highlight the Channel List on the Main menu Press OK to select The screen will show a list of stored programs as shown in Figure 7 In this example only one program is stored If the transmitter were powered on and operating there would be a video picture on the screen area Press the Menu or Exit on remote control button to exit this screen Depress the red button on the remote control to toggle between all files or favorites files to be displayed Depress the yellow button on the remote control to select the file sorting method and allows selected files to be locked cannot be modified or renamed 100 M0064X6 12 of 23 www cobham com gms Screen Area Figure 7 6 2 Edit Channel List Use the cursor to highlight the Edit Channel List on the Main menu Press OK to select The screen will be as shown in Figure 8 In this mode files in the channel list can be renamed deleted added as favorites locked moved to
12. obham com gms 5 Use With GMS MDL Link Figure 5 shows a basic configuration to establish a MDL wireless link Power Supply DMR Video Source Figure 5 Most DVB T receivers are capable of receiving direct frequencies in the range of approximately 49 MHz to 862 MHz If the transmitter is not in this range then a down converter is used to convert the frequency to this range The frequency out of the down converter is called the IF intermediate frequency which is fed to the receiver The down converter is mounted on the rear of the DMR Down converters have a LO local oscillator which is mixed with the transmitter frequency and converts it to the IF frequency The DVB T receiver must be programmed with the IF frequency directly The user can calculate the IF frequency Transmitter frequency LO IF frequency to be entered into the receiver Th wn converter LO m known For GMS BDCs refer to the table on the GMS web site http www cobham com gms under Products RF Modules Block Down Converter For example if the transmitter is set for 5800MHz and the LO of the down converter is 5100 MHz then the IF frequency is 700 MHz 5800 5100 700 The receiver will need to be set to 700 MHz to receive the transmitter frequency of 5800 MHz Each time the transmitter frequency is changed the IF must be re calculated and entered into the receiver Note that negative or positive numbers are possible when calcu
13. the Region field to select the desired bandwidth Select China for 8 MHz bandwidth Australia for 7 MHz bandwidth or Taiwan for 6 MHz bandwidth Use the down arrow key to highlight the MHz field Enter the desired frequency using the numeric keypad of the remote control then press OK Refer to section 5 to determine the IF frequency The screen will be displayed as in Figure 16 again The signal strength red bar and quality blue bar indicator at the bottom of the screen should be present if the transmitter is outputting a signal If the quality indicator is not present then the signal from the transmitter may require an inverted spectrum See the transmitter operators manual Press the Red button on the remote control unit to start the search When the desired frequency is detected there will be a short delay with a message displayed search finished Depress the Exit button A message will appear Do you want to save Answer yes to save the data The video will be displayed on the screen and the new channel will be added to the channel list 100 M0064X6 19 of 23 www cobham com gms Manin mem i bs PNE tont PECHCB Raion Australia y hannel 4 gt 1050 5 Figure 17 7 M Menu Pressing the M Menu key on the remote control enters the Pictures System menu This mode allows the user to adjust settings such as brightness contrast color sharpness and hue Picture menu
14. utton The screen will be displayed as shown in Figure 14 Select desired region China for 8 MHz bandwidth Australia for 7 MHz bandwidth or Taiwan for 6 MHz bandwidth Select Fast or Slow search speed Press the OK button The screen as shown in Figure 15 will be displayed If a channel is detected during this operation it will be stored in the Channel list memory Up to 1000 programs can be stored Press the Menu or Exit button on remote control to exit this screen 100 M0064X6 17 of 23 www cobham com gms nola doen ni eon ee e erneut o Foch Europe P PAJ LNHIE LEG Figure 14 amp utollatiec E O O A i i i ng C hend Pon E TM Lt AE paa o RE RN Figure 15 100 M0064X6 18 of 23 6 7 Manual Searching If the RF IF frequency is known this is the recommended search method Use the cursor to highlight the Manual Search field on the Main menu Press OK to enter the Manual Search sub menu The screen will be displayed as shown in Figure 16 Figure 16 Press the OK button The screen will be displayed as shown in Figure 17 One of three modes can be selected Delete Edit or Add using the left or right arrow Select the Delete mode to erase an existing file Select the Edit mode to change the frequency an existing file Select the Add mode to add a new file To add a new file select the Add mode using the left or right arrow keys Highlight
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