User’s Manual The most important thing we build is trust. Messenger VETA Receiver Decoder (MVRD) 100-M0145X2 06/10/2010 Cobham Surveillance GMS Products 1916 Palomar Oaks Way Ste 100 Carlsbad, CA 92008 T: 760-496-0055 F: 760-496-0057 www.cobham.
Table of Contents 1. Acronyms ......................................................................................................................................................................................... 5 2. Introduction .................................................................................................................................................................................. 6 2.1 2.2 2.3 About the Manual ...................................................................
7.1 Front Panel Description .........................................................................................................................................................24 7.1.1 Power Control ...................................................................................................................................................................24 7.1.2 Local Control Panel ....................................................................................................................
Revision History Version Date Main Changes from Previous version Created by X1 02-24-2010 Initial Release RM X2 06-11-2010 Genlock and Embedded Audio are added RM 100-M0145X2 4 of 36 www.cobham.
1. Acronyms This section lists and describes the various acronyms used in this document.
2. Introduction 2.1 About the Manual GMS User Manuals focus on providing the end user an easy to understand operational instructions to quickly setup and deploy the equipment. The GMS Technical Operation Manuals focus on the technical details and setup of the equipment. The Technical Manuals also provide a more in depth explanation of the settings and specifications of the equipment that technicians can use to verify the operational status.
Depending on the nature of the fault GMS endeavor to repair the equipment and return it to the customer within 14 days of the item arriving at our workshops. Obviously it is impossible to cater for all types of faults and to manage 100% replacement part availability, and delays are sometimes inevitable.
3. General System Information The MVRD (Messenger VETA Receiver Decoder) receives and demodulates DVB-T 2k carriers’ signals with bandwidths of 6, 7 or 8 MHz; additionally, optional 1.25 or 2.5 MHz RF bandwidths with 400 carriers allow both increased reception range and larger quantity of simultaneous A/V links to operate in the same frequency band. The wider bandwidths provide greater throughput that allow the system to transfer the highest quality video.
the same configuration for both. For example: If the Transmitter is set to configuration #3, then the Receiver needs to be set to configuration #3 for them to operate together. 3.2 Understanding Configurations MVRD equipment features sixteen user selectable and programmable configurations. These allow the user to store the most commonly used channels for quick selection. The Current Config is defined as the number of the currently selected configuration 1 to 16.
4. MVRD Local Control 4.1 Introduction As with all GMS Cobham surveillance products, the MVRD uses “Set-Up Groups”/ “Profiles” (Up to 16) to allow the receiver to be completely pre-configured by Administrators prior to deployment. These setup groups define all of the operating parameters (e.g. frequency, bandwidth, FEC, Decryption On/Off) available to the users. Users on both the TX and RX side only need to be directed to which set-up group number to use.
Lower left 10 characters – If Video is Present shows the video format. VID: – Is Video Present in the Program? Next character shows Y when the system is processing a TS and N when it is not. Cobham MVRD AVC Decoder MAIN MENU 1.075 FW VERSION 1 TS: Y PRG: Y RF IN 480I (NTSC) VID: Y TS: Y PRG: Y ASI IN 1080I 29.
4.2.2 Main RF screen If the unit is in RF In mode, every 30 seconds the TS Screen will interchange with main RF screen, shown in the following Figure: CFG: – Displays Configuration Group currently in use. The two digits to the right show the current configuration group (1 to 16). SS: – Signal Strength. The digits to the right show the RF signal strength as both a bar graph and a level number. The channel with higher Signal Strength is displayed.
Figure 2 – Status Menu 100-M0145X2 13 of 36 www.cobham.
4.3.2 Decoder Status This screen shows the format of the incoming signal. If the decoder is not locked to incoming signal, then UNKNOWN will be displayed 4.3.3 LAN IP ADDRS Status Display This screen shows the LAN IP address that was established via the DHCP process with the server. These numbers are dynamically assigned and can change if the unit is disconnected and then reconnected to the LAN. 4.3.4 Genlock Locked This screen displays Genlock Status. It is functional only in AVC format.
Figure 3 – Setup Menu 4.5 Receiver Setup If the receiver in ASI Input mode, this will only lead to Setup and then Main Manu. 4.5.1 RX Input Source In this submenu the user can select the input mode – RF or ASI In. 100-M0145X2 15 of 36 www.cobham.
4.5.2 RX Configuration In this submenu the user can select the Configurations 1 to 16. Refer to section Error! Reference source not found. for details. The change will take place only after pressing ENTR. Second line displays the frequency in MHz’s. 4.5.3 OSD Control This screen is available only in MPEG2 or MPEG4 in Narrow Band Mode. On-Screen Display (OSD) shows the RF reception status on the composite video signal when the system is processing MPEG2 video.
4.7 Program Setup The PROGRAM menu allows the user to choose AUTO or MANUAL mode detection. If decoding a multi-program stream then MANUAL mode offers the user the ability to choose the program to be decoded. For TS with a single program AUTO mode is recommended. If the Transport Stream has multiple programs and the unit is in AUTO mode, then the first program detected (from the PAT table) is decoded. 4.7.1 Program Mode The flow chart of the Program Setup submenu is shown in Figure 4.
3C PROGRAM SETUP AVC PROGRAM MODE: AUTO AVC PROGRAM MODE: MANUAL CTRL CTRL MANUAL MODE 1 CTRL SELECTED PRG: 01 MODE: AUTO/MANUAL PCR PID: 0x..... VIDEO PID: 0x.... AUDIO PID: 0x..... PMT PID: 0x.... CTRL [ENTR] FOR SETUP MENU 3 ENTR CTRL [ENTR] FOR MAIN MENU 1 ENTR CTRL Figure 4 – Program Menu 100-M0145X2 18 of 36 www.cobham.
4.1 System Menu The flow chart depicting the System Menu is shown in Figure 5. System Menu displays Versions for Firmware Components, Hardware Version and unit serial number. Figure 5 – System Menu 100-M0145X2 19 of 36 www.cobham.
5. Remote Control The MVRD can be remotely controlled from an IBM PC via either the USB interface or a LAN interface**. Currently, the LAN control is mainly used for Firmware Upgrades. When a MVRD is connected to a computer GMS’ M.S. Windows control & monitoring SW can be used. As previously stated, GMS’ M.S. Windows applications provide two (2) levels of access. Level 1 (User-Level) is not password protected.
6. Initial Check Out Prior to installing a MVRD unit into the desired target environment, an initial checkout should be performed to ensure proper operation of the unit. The initial checkout consists of configuring a basic MDL (Messenger Digital LINK) wireless link. 6.1 Deploying and Operating the MVRD The MVRD is a tactical digital video receiver-decoder and the following guidelines should be employed when using the equipment.
Install Omni-directional antennas (or ones best suited for the application) onto the RF IN A and RF IN B ports on the MVRD and one on the SMA RF connector on the Messenger 2 transmitter or VETA Messenger transmitter. If using VETA Transmitter, refer to Corresponding manual for interfaces. Using the VMT as your test TX allows you to check NTSC or PAL with MPEG-2 or MPEG4 part 2 compression. In this mode, the only valid output video source on the MVRD will be the composite output port.
The initial checkout described above is simply to check the basic video operation of the MVRD unit. Audio can also be checked by enabling audio in the test TX. See the operator’s manual of the TX that you are using. Figure 7 – OSD 6.2 Using of the On Screen Display On Screen Display (OSD) tool, shown in Figure 7, is an extremely useful tool for system set-up and diagnostic. The displayed diagnostic data includes a spectrum display, signal to noise data, input power level and frequency.
7. Hardware Overview 7.1 Front Panel Description Front Panel view of MVRD is shown in Figure 8. . Figure 8 – MVRD, Front View 7.1.1 Power Control Pushing the top portion of the switch turns the MVRD on. 7.1.2 Local Control Panel Local Control Panel consists of Display (Backlit LCD, Dual line, 16 characters per line) and 4-button keypad (Enter, Control, Up and Down).
**Note: In Development 7.1.4 A/V Connectors Composite Video, Connector Type: RCA-F. This port is active for all valid operating modes of the MVRD. When processing SD MPEG-2, MPEG-4 Part 2 or MPEG 4 Pat 10 (AVC) the composite video output is directly from the associated decoder. When processing HD AVC the composite video comes from an internal Video Scaler. AUD 1 and AUD 2, Connector Type: RCA-F, Single Ended Line Level. Two RCA connectors are provided for audio outputs Left and Right.
7.2.4 MISC I/O Miscellaneous connector – USB Control and Digital Audio Output** Connector Type – Hypertronics D-series Circular connector **Note: In Development Figure 10 – Miscellaneous connector front view 7.2.5 DVI Signal: Video, Component Connector Type: DVI-I Socket – Female Note: Can be converted to HDMI (Video Only) with external adapter. (Sold Separately) 7.2.
7.2.8 ASI In Inputs MPEG2 or MPEG4 compressed signal. TS: DVB Compliant Connector Type: BNC-F 7.2.9 ASI Out Outputs MPEG Transport Stream; source is ASI In (loop through) or RF In. TS: DVB Compliant Connector Type: BNC-F 7.2.10 SYNC Sync is an input is used to ensure coincidence of signals in time at a combining or mixing or switching point. Connector Type: BNC-F Function: Genlock, AVC HD/SD only 7.2.
Use pigtail Power Cable to connect from an AC outlet to the power connector on the MVRD. See for detailed information on this cable (DWG #: 100-C0484). Note: you can wire directly to the DC Power connector to run the MVRD off of DC. 7.4.2 MVRD CTRL Cable Use 780-C0456 to connect from the MISC I/O circular connector to USB connector on the Personnel Computer (PC) that shall be used to control the MVRD. 100-M0145X2 28 of 36 www.cobham.
8. Specification COFDM RF Input Input Ports: Connectors: Input Impedance: Input Frequency: Frequency Accuracy: 2 SMA-F 50 Ohms, <1.5:1 VSWR 0.9 to 8.5 GHz (In-Bands) (+/-5) ppm Demodulation DVB-T # of Carriers: 2K DVB-T Bandwidth: 8/ 7/ 6 MHz DVB-T Guard Interval: 1/32, 1/16, 1/8, 1/4 DVB-T FEC 1/2, 2/3, 3/4, 5/6 DVB-T Modulation QPSK, 16 QAM, 64 QAM Optional VETA Narrow BW Modes VETA # of Carriers: 400 VETA Bandwidth: 2.5 MHz or 1.
Video Bit Rate: Video Decoder Format @ Frame rate: PES packets per ISO/IEC 13818-1 1 Mbps to 60 Mbps 1080P @ 60 Hz, 50 Hz, 30Hz, 29.97Hz, 25Hz 1080I @ 30Hz, 29.97Hz, 25Hz 720P @ 60Hz, 59.94Hz, 50Hz 480P @ 60Hz, 59.94Hz, 50Hz 480I @ 29.
(each pair independently controlled) Analog Video SD Video format standards: PAL & NTSC Composite # of Analog outputs: 2 Connectors: RCA-F HD/SD Video format standards: Component # of Analog outputs: 1 set (Y, Pb, Pr) Connectors: RCA-F DVI (Digital Visual Interface) DVI Connector: DVI-I Socket - female Note: Can be converted to HDMI (Video Only) with external adapter (Sold Separately) MPEG-2/4 Video Decoding Compression Standard: Chrominance Profile: Line Standard: Horizontal Resolution: Systems Latency en
Cable w/Optional connectors: DB-15 to Qty 2 - XLR-M Impedance: 600 Ohms nominal Remote Operation/Update Interface Type: Ethernet, 10/100 BaseT Connector: RJ45 Serial Remote operation interface Type: USB Connector Part of MISC I/O connector Front Panel Indicators Input LED: Error LED: Power DC Input: DC Power: Green indicates valid input on selected input, Off indicates no valid signal on the selected input Red indicates error is occurring OFF indicates no errors detected +9 to +18 VDC 15 Watts Battery Ope
Appendix A – Default Settings C2-Band PARAMETER CONFIGURATIONS Config # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Unit Mode DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T DVB-T BDC LO 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 5200 BDC Side High High High High High High High High High High High High High High High High BDC Gain 0 0 0 0 0 0 0 0 0 0 0 0 0
Appendix B – Configuration Map M2T Group Number GP1 GP2 GP3 GP4 GP5 GP6 GP7 GP8 GP9 GP10 100-M0145X2 MVRD Group Number GP10 GP11 GP12 GP10 GP12 GP10 GP11 GP12 GP10 GP12 M2T Group Number GP11 GP12 GP13 GP14 GP15 GP16 GP17 GP18 GP19 GP20 MVRD Group Number GP7 GP8 GP9 GP7 GP9 GP7 GP9 GP7 GP9 GP9 34 of 36 www.cobham.
Appendix C – Troubleshooting Section Fault Action No RF Link • Check if Input Source selected as RF • Check if the following parameters of the Transmitter and corresponding Receiver match: -Frequency and Bandwidth -Guard Interval -Spectral Inversion • Check if the down converters operate correctly: -Correct LO is set -BDC power is On. Poor Link Performance • Interference. Should an interfering RF signal occur on the same frequency the performance of the link will be affected.
Appendix D – References For more detailed information on GMS products described in this manual, download the manuals below from GMS’ WEB site (www.cobham.com/gms) of contact GMS customer Service department. Operations Manual, VETA Receiver Operations Manual, VETA Receiver SW Operations Manual, VETA Transmitter Operations Manual, M2D Decoder 100-M0145X2 100-M0087 100-M0131 100-M0089 100-M0134 36 of 36 www.cobham.
