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Operations Manual
The most important thing we build is trust.
100-M0103X2
1 of 26
GMS Inc. doing business as Cobham Tactical Communications and Surveillance
VETA Monitor Receiver
(VMR)
Cobham Tactical Communications and Surveillance
1916 Palomar Oaks Way, Suite 100, Carlsbad, CA 92008
Tel: 760-496-0055
FAX: 760-496-0057
www.cobham.com/tcs
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Summary of Contents for COBHAM VETA
- Page 1 The most important thing we build is trust. VETA Monitor Receiver (VMR) Cobham Tactical Communications and Surveillance 1916 Palomar Oaks Way, Suite 100, Carlsbad, CA 92008 100-M0103X2 1 of 26 Tel: 760-496-0055 FAX: 760-496-0057 www.cobham.com/tcs GMS Inc. doing business as Cobham Tactical Communications and Surveillance...
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Page 2: Table Of Contents
CONTROL ..................................21 6.10 REMOTE CONTROL ............................. 21 6.11 LOCAL MONITORING ............................22 6.12 REMOTE MONITORING ........................... 22 100-M0103X2 2 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... - Page 3 Appendix C – Example of Default Configurations Settings for LS-Band ............25 Appendix D – Example of Default Configurations Settings for C2-Band ............26 100-M0103X2 3 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs...
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Page 4: Revision History
Revision History Version Date Main Changes from Previous Edited Checked version 9-23-2009 Initial Release 12/21/2009 Update to sunlight readable monitor 100-M0103X2 4 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 5: Acronyms
Signal-to-Noise Ratio Total Harmonic Distortion Transmitter Volts (Direct Current) VETA Digital Link VETA Receiver VETA Transmitter VETA Digital Repeater User Datagram Protocol VETA Network Adapter 100-M0103X2 5 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 6: Introduction
Coded Orthogonal Frequency Division (COFDM) that provides a robust link that is immune to multipath interference and provides crisp, clear pictures in the most difficult of terrains. This manual provides information on how to operate the VMR (VETA Monitor Receiver) as well as pertinent technical information related to the overall system. -
Page 7: Warranty
The VETA product line supports standard DVB-T 2K carriers with 6, 7, or 8 MHz bandwidths. Additionally, optional 1.25 MHz or 2.5 MHz RF bandwidths with 400 carriers that allow both increased reception range and larger quantity of simultaneous A/V links to operate in the same frequency band. -
Page 8: Safe Operating Procedures
Please contact Cobham Tactical Communications and Surveillance for details of packages that can be tailored to meet your individual needs, whether they are service availability, technical training, and local geographic support or dedicated spares holdings. 2.4 Safe Operating Procedures • Ensure that the power supply arrangements are adequate to meet the requirements of VETA product. -
Page 9: Getting Started
The initial checkout consists of configuring a basic VDL (VETA Digital LINK) wireless link. Figure 1 shows a basic VETA configuration wireless link. The VMR shown below has the standard default internal down converters. The steps necessary to setup the configuration shown are stated below: ... -
Page 10: Figure 1 - Basic Vdl Setup
Ensure the transmitter RF button has been pressed after applying +12VDC. o Use the control cable and GUI to ensure that the following modulation parameters match on both the VETA TX and VMR: Bandwidth, Frequency, Guard Interval and OFDM Polarity. - Page 11 VMR unit. For further details on the connectors, monitoring and controlling the VMR read thoroughly through this manual. For information on Control Software refer to manual 100- M0131 100-M0103X2 11 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs...
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Page 12: Hardware Overview
RF connectors of VMR are located on the top of the unit. All other interface connectors are located on the side of the unit. The control panel, located on the top of the unit, consists of a VETA standard push button panel and LED indicators. VMR also has a separate control panel for monitor control located on the top of the unit below main control. -
Page 13: Received Signal Strength Green Led-S
In this case LED 5 is always On and 6, 7 and 8 always are Off. The following table shows the correlation between Configuration numbers selected and Config LED-s. 100-M0103X2 13 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 14: Config Button
Flashing Config LED indicates OFF state, and solid green – ON state. The VMR must always have power on to BDC for unit to lock to incoming RF. Figure 5 – VMR OSD 100-M0103X2 14 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 15: Mode Button
In addition the red Alarm LED will light if the VMR is unable to lock to a RF signal. Figure 6 – VMR Side View 100-M0103X2 15 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 16: Communications Db-9 (F) Connector
Communications DB-9 (F) Connector The Communications I/O DB-9 connector provides RS232 control. The receiver can be controlled remotely with Cobham Tactical Communications and Surveillance PC control software (refer to Software Control Manual) using RS232 protocol. The pins and their functions are described in the table below. -
Page 17: External Power
Down converters have an LO (local oscillator) which is mixed with the DVB-T transmitter frequency and it then converts it to the IF - intermediate frequency. The VMR (VETA receiver) locks on to the IF frequency in order to be able to receive the C-OFDM signal. The... -
Page 18: Figure 7 - Bdc Control Screen
High or Low side injection Turns +12VDC ‘ON’ or ‘OFF’ on the IF line Enter gain of the BDC Figure 7 – BDC Control Screen 100-M0103X2 18 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 19: Software Control
Software Control Configuration, control and monitoring of the VMR are enabled through the use of Cobham Tactical Communications and Surveillance optional (sold separately) MS Windows-based VMR Configurator software program. Cobham Tactical Communications and Surveillance Part Number for this Software is 8970920-100. This Graphical User Interface (GUI) program provides the end user with a straightforward way to interface with the VMR unit. -
Page 20: Specifications
BW to ~120mS (w/ VETA TX Only, mode dependant) Video Outputs: 1- Composite w/OSD Standards: NTSC (with and without pedestal) or PAL Video Connectors: Composite – BNC-F, 100-M0103X2 20 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 21: Audio Decoding
Front Panel with 16 channel/mode select. Preset key selection (1-16). 6.10 REMOTE CONTROL RS232 Control from PC GUI All receiver options and functions are controlled (set) via the remote interface 100-M0103X2 21 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 22: Local Monitoring
ABS is standard. The VMR can optionally be provided with Advanced Encryption System (AES or B-crypt) 128 or 256 for protecting the signal in sensitive applications. 100-M0103X2 22 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 23: Appendix A - Troubleshooting Section: Led Indictors
Has RF Signal Lock, but no decoder Lock RF LED On Ensure that scrambling keys matched Signal strength LED-s off No incoming RF signal Ensure that RF source is active. 100-M0103X2 23 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 24: Appendix B - Faults
•Ensure that bit rate of transmitted signal is higher that of the received signal in the Repeater. 100-M0103X2 24 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 25: Appendix C - Example Of Default Configurations Settings For Ls-Band
NTSC NTSC NTSC NTSC NTSC NTSC Blue Screen on no Video MPEG4 deblocking Filter screen Display Auto Spect Detect Descrambling LNB Power Power Video Format 100-M0103X2 25 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs... -
Page 26: Appendix D - Example Of Default Configurations Settings For C2-Band
NTSC NTSC NTSC NTSC NTSC Blue Screen on no Video MPEG4 deblocking Filter screen Display Auto Spect Detect Descrambling LNB Power Pwr up Video Format 100-M0103X2 26 of 26 GMS Inc. doing business as Cobham Tactical Communications and Surveillance www.cobham.com/tcs...
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