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DTC VBS2-250 Manual

1/4 watt, body worn video transmitter ransmitter, frequency 2200/2400/1700-2300/2500/1850 mhz
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1/4 W
1/4 W
att, Body W
att, Body W
1/4 W att, Body W
1/4 W
1/4 W
att, Body W
att, Body W orn
V V V V V ideo T
ideo T
ideo T ransmitter
ideo T
ideo T
Manual
Manual
Manual
Manual
Manual
VBS2-250 Frequency 2200-2300 MHz
VBS-250 Frequency 2400-2500 MHz
VBL-250 Frequency 1700-1850 MHz
DTC COMMUNICATIONS INCORPORATED
orn
orn
ransmitter
ransmitter
ransmitter
ransmitter
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orn
PN OP1920256 REV6

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  • Page 1 V V V V V ideo T ideo T ideo T ransmitter ideo T ransmitter ransmitter ransmitter ideo T ransmitter Manual Manual Manual Manual Manual VBS2-250 Frequency 2200-2300 MHz VBS-250 Frequency 2400-2500 MHz VBL-250 Frequency 1700-1850 MHz DTC COMMUNICATIONS INCORPORATED PN OP1920256 REV6...
  • Page 2 Forms can be obtained from the FCC on their web- from time to time in the content hereof without obliga- site at: tion of DTC to notify any person of such revision or www.fcc.gov changes. You can also contact the FCC using their FAX back...

  • Page 3: Table Of Contents

    When used as directed, the maximum SAR of this device is 2.7 W/kg, which meets the limits set forth by the FCC. Refer to Appendix A in this manual for instruction in the proper use of antennas with this device. FCC ID# H25VXS250 DTC COMMUNICATIONS, INC.

  • Page 4: Quick Start Guide

    Warning: Do not apply power to the transmitter until an antenna has been connected in step 4. Warning: Refer to Appendix A of this manual for information on the proper use of antennas. DTC COMMUNICATIONS, INC.

  • Page 5: Overview

    AA battery pack. This dramatically simplifies wiring, lowers the risk of detection, and increases the chances of operational success. For best results, DTC recommends the use of its VidiWIRE on body dual patch antenna system with phase matching module, and a DTC diversity receiver.

  • Page 6: Features

    Description Remote Switching Capability • You may turn the device ON remotely, by attaching a switch to one of the pins on the Multi I/O connector. DTC provides hard-wired and wireless switches for this application. External Power Loop Through • The power applied to the Multi I/O pin is automatically looped through the unit, and available on a second pin to power a remote device, such as a camera.

  • Page 7: Specifications

    Mic level input (line level factory opt.) 50 - 3000 Hz Phased locked with AGC on both inputs. Sub-carrier auto sensing, only active when microphone is attached. Number of sub-carriers Four lithium “AA” batteries Sub-carriers frequencies 6.0 - 7.5 MHz , user programmable DTC COMMUNICATIONS, INC.
  • Page 8 Power output 250 mW min. @ nominal supply voltage, 25 Deg. C. -3 dB @ 3.6 VDC int -2 dB over temp. Output Impedance 50 Ohms Spurs and Harmonics output -50 dBc Load Pull Stability 8:1 VSWR DTC COMMUNICATIONS, INC.

  • Page 9: Battery Drain

    6 hours 3.3 hours 3.6 hours (External) 9 AA Lithium 4045132 9 hours 5 hours 5.5 hours (External) 9 AA NiMH 4045130 7 hours 4 hours 4.3 hours Rechargeable (External) 4 AA (Internal) 4 AA Lithium (Internal DTC COMMUNICATIONS, INC.

  • Page 10: Connectors

    CONNECTORS MATING CONNECTORS Lemo Male Part # (FFS.01.250.DLAE31) DTC Male Part # (8570003) Hirose Part # HR10A-7P-6P (02) DTC Part # 954020 Standard Male SMA connector MICROPHONE CONNECTORS Two connectors accommodate two microphone inputs. Each connector has two contacts and provides power to the microphone as well as connecting the audio signal into the transmitter.

  • Page 11: Connections

    CONNECTIONS A standard SMA connector is used as the antenna connector on both the VBS/VBL- 250. Refer to a list of DTC antennas available beginning on page 18. Antenna Connector TIP: You may use the VBS/VBL series transmitters with other manufacturers antennas.
  • Page 12 The basic VBS/VBL-250 configuration EXTERNAL CAMERA POWER consists of the video transmitter, Vidi-Wire Antenna, and DTC cable part number FRONT PATCH 4045170-024. This cable is connected to the ANTENNA multi I/O port of the transmitter, and is configured to supply:...

  • Page 13: Equipment Configurations

    The basic VBS/VBL-250 configuration consists TRANSMITTER AND CAMERA (INT) of the video transmitter, Vidi-Wire Antenna, and DTC cable part number 4045194-024. This cable is connected to the multi I/O port of the FRONT PATCH transmitter, and is configured to supply: ANTENNA •...

  • Page 14: Optional Accessories

    EXTERNAL TRANSMITTER POWER The VMS/VML-250 configuration, which uses the loop through power source for the camera, consists of the video transmitter and DTC cable part number 4045189-024 . This cable is connected to the multi I/O port of the transmit- ter.
  • Page 15 ADDING REMOTE ON FUNCTION TO BASIC This configuration consists of the video transmitter, FRONT PATCH ANTENNA Vidi-Wire antenna, and DTC cable part number 4045192-024. This cable is connected to the multi/ IO port of the transmitter, and is configured to BACK PATCH...
  • Page 16 1088185 Vidi Vest™ The VidiVest™ is designed to be used in conjunction with DTC’s body worn video transmitter. The vest supplies compartments for the video transmitter, associated wiring, antenna system (i.e. VidiWire™), microphones, and a button camera. The garment is ventilated for comfort and can be adjusted with velcro straps at the waist and shoulders.
  • Page 17 VidiWire antenna system 1.7-1.9 GHz The VidiWire™ antenna system was specifically designed for video transmission from on-body transmitters. This DTC Proprietary system provides the best possible omnidirectional video transmission from a body-worn system. The system is composed of three parts: two special patch-type antennas, and a phasing module.
  • Page 18 Video In: Multi I/O to RCA(M) with BNC adaptor. (YELLOW) Ext. Power: 24 AWG wire with a molex connector and stripped and tinned leads. (RED) Camera Power:24 AWG wire with a molex connector and stripped and tinned leads.(GRAY) DTC COMMUNICATIONS, INC.
  • Page 19 Video In: Multi I/O to RCA(M) with BNC adaptor. (YELLOW) Camera Power: 24 AWG wire with a molex connector and stripped and tinned leads.(GRAY) Remote On: 24 AWG wire with a molex connector and stripped and tinned leads. (GREEN) DTC COMMUNICATIONS, INC.
  • Page 20 The VDAR video antennas are designed to operate with traditional single video receivers and multiple antenna configurations for diversity receivers. The antenna uses the DTC Hybrid-Patch system to ensure high purity circular polarization. This ensures the highest possible performance in video reception, especially in diversity systems.
  • Page 21 Not Required Size 8.0” L x 1.25” dia (203 mm x 32 mm dia) Weight 3.7 oz. (105 g) DTC Part Number Frequency Range QHA-4-2-R 2.4 to 2.5 GHz, RHCP QHA-4-2-L 2.4 to 2.5 GHz, Lhcp WARNING: Refer to Appendix A of this manual for information on the proper use of antennas.
  • Page 22 5 dBi Patch Antenna Connector: SMA or TNC Male on 18" coax. “pigtail”. DTC has developed a series of circularly polarized patch antennas for use in the 2.0 to 2.5 GHz indoor and short term outdoor installations. The ANT-5-P is a 5dbi gain, 90 degree wide beamwidth, antenna, mounted on a 0.125 in.
  • Page 23 ANT-10 9dBic Wideband Panel Connector: TNC Female DTC has developed a series of circularly polarized panel antennas for use in wideband transmit and receive applications from 1.7 to 2.7 GHz. The ANT-10-R is a very wide bandwidth, unidirectional log-spiral array. This antenna has useful gain, with some sidelobe variation, to 4 GHz.

  • Page 24: Programming

    Introduction PROGRAMMING DTC has built in a lot of flexibility in the programming options you have on the VBL and VBS series transmitters. You can choose to use some, all or none of this flexibility. When you order a VBL or VBS transmitter, DTC will factory program your frequen- cies at no additional charge to you.
  • Page 25 Installing DTC Universal Programming Software on your PC PROGRAMMING NOTE: Uninstall any previous versions by going to Add/Remove Programs, clicking on DTC Universal Programming, and clicking on uninstall. Click on Start, click on run. Click on the Browse button. Click on or find your CD drive.
  • Page 26 COM1 or COM2 port of your computer. Turn the transmitter switch to ON. The green is ON. Select Start, programs, DTC communications on your computer. The system allows you to select device COM1 or COM2, depending on which serial port you are connected to.
  • Page 27 12 To change any of the MIC-2 or MIC-1 settings, click on the settings provided, then click OK. 13 Click on the Upload button to upload your new settings to the transmitter. Your new settings have been installed. DTC COMMUNICATIONS, INC.

  • Page 28: Appendix A

    APPENDIX A Bodyworn applications: When the VBS/VBL-250 video transmitter is to be worn on the body, only the DTC VidiWire antenna system should be used. This antenna has been extensively tested and found to be safe when used as directed. The antennas used in the VidiWire system are clearly labeled as to which side of the antenna should be placed against the body.
  • Page 29 APPENDIX A Using Antennas with the VBS/VBL-250 Video Transmitter Minimum Allowable Spacing Between the Antenna and the Human Body (VBS/VBL-250 Video Transmitter) Antenna Gain (dB) DTC COMMUNICATIONS, INC.
  • Page 30 486 Amherst Street • Nashua, New Hampshire 03063 • 603-880-441 1 www.dtccom.com...

This manual is also suitable for:

Vbl-250Vbs-250

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