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DTC COMMUNICATIONS INCORPORATED

PN OP1920256 REV6

VBS2-250 Frequency 2200-2300 MHz

VBS-250 Frequency 2400-2500 MHz

VBL-250 Frequency 1700-1850 MHz

1/4 W

1/4 Watt, Body W

att, Body W

att, Body Worn

orn

Video T

ideo T

ideo Transmitter

ransmitter

Manual

Summary of Contents for VBL-250

Page 1: ... Frequency 2400 2500 MHz VBL 250 Frequency 1700 1850 MHz 1 4 W 1 4 W 1 4 W 1 4 W 1 4 Watt Body W att Body W att Body W att Body W att Body Worn orn orn orn orn V V V V Video T ideo T ideo T ideo T ideo Transmitter ransmitter ransmitter ransmitter ransmitter Manual Manual Manual Manual Manual ...

Page 2: ...tness for a particular purpose DTC reserves the right to revise this publication and to make changes from time to time in the content hereof without obliga tion of DTC to notify any person of such revision or changes Trademarks Trademarks of DTC Communications Inc include DTC MiniPIX DynaPIX Other product names used in this manual are the prop erties of their respective owners Warranty DTC warrant...

Page 3: ...factor TIP Describes application hints TABLE OF CONTENTS RF EXPOSURE STATEMENT 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 Quick Start 4 Overview 5 Features 6 Specifications 7 Battery Drain 9 Connectors 10 Connections 11 Equipment Config...

Page 4: ... 6 Connect a video source to the Video Multi I O connector 7 Slide the power switch to the ON position Green dot is ON to apply power to the transmitter Note While installing the batteries observe proper polarity as printed in the battery compartment Reverse polarity protection is a built in design feature of the transmitter If a battery is installed backwards this feature prevents the transmitter...

Page 5: ...ries video transmitters from DTC represent the first true video body wires available DTC has developed a fully user programmable video transmitter and mated it with an integral 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 wit...

Page 6: ...ternal AA battery pack WARNING Make sure your camera will operate on the voltage being supplied to the transmitter User programmable video channels selectable in 250 kHz steps Two user programmable audio sub carriers selectable in 10 kHz steps from 6 MHz to 7 5 MHz Audio sub carriers are OFF unless microphones are attached The transmitter automatically senses when a microphone has been attached Th...

Page 7: ... Connectors 2 pin Lemo Mic 1 2 pin Lemo Mic 2 SMA Antenna 6 pin Multi I O Video in Data in DC input 9 16 VDC camera power Remote ON OFF Multiplexed Data out Ground Programmability Video 2400 2500 MHz VBS 250 1700 1850 MHz VBL 250 250 KHz resolution steps Audio User programmable from 6 0 7 5 MHz in 10 kHz steps Chassis notes Machined solid aluminum with rounded edges Audio General Mic level input l...

Page 8: ...for 50 kHz peak dev Pre Emphasis 75 uS Input Impedance 10 k Ohm Video Video Frequency Response BW1 5dB 6 Hz 5 0 MHz Input Impedance 75 Ohms Input Level 1Vp p Max S N 60 dB min Pre Emphasis Per CCIR 405 525 line curve Differential Gain 5 RF Operating Frequency 1700 1850 MHz 250 KHz resolution steps 2400 2500 MHz 250 KHz resolution steps Power output 250 mW min nominal supply voltage 25 Deg C 3 dB 3...

Page 9: ...band level 28 dBc 2 dB Environmental Temperature Range 30 C 70 C Humidity 90 non condensing SPECIFICATIONS Four lithium batteries Transmitter Camera Battery Type Part Number Transmitter Only Camera 9V 153mA Camera 12V 120mA 9 AA Alkaline Pack 4045131 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...

Page 10: ...transmitter The audio sub carriers are activated by the presence of the microphone If a microphone is removed that sub carrier is removed from the transmit signal Turning off the unused sub carrier saves power and improves picture quality CONNECTORS Microphone 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 MA...

Page 11: ...When the chassis mounted power switch is set to OFF REMOTE ON can be used to turn the transmitter ON CHANNEL SELECT SWITCH Select a transmission channel by using the rotary switch located on the front surface of the transmitter Use a screwdriver to rotate the switch to the desired channel number MULTI I O CONNECTOR The multi I O 6 pin Multi I O connector is mainly used as the video and external po...

Page 12: ...able part number 4045170 024 This cable is connected to the multi I O port of the transmitter and is configured to supply The video signal from the camera to the transmitter Power to the transmitter through the internal battery pack NOTE You will need external camera power if voltage to the transmitter is not compatible with your camera s operating voltage and or you need greater battery life and ...

Page 13: ...mber 4045194 024 This cable is connected to the multi I O port of the transmitter and is configured to supply The video signal from the camera to the transmitter Power to the transmitter and camera through the internal battery pack FRONT PATCH ANTENNA BACK PATCH ANTENNA SPLITTER CAMERA MICROPHONES TRANSMITTER TRANSMITTER AND CAMERA INT ...

Page 14: ...o supply The video signal to the transmitter from the camera Power to the transmitter through a molex connector that can be easily connected to DTC s battery packs Power to the camera through a molex connector that can easily be connected to DTC s optional cameras CAMERA ANTENNA POWER SOURCE for transmitter only 9 16 V STRIPPED AND TINNED LEADS STANDARD A B C OPTIONAL BATTERY PACKS TRANSMITTER A 4...

Page 15: ...he multi IO port of the transmitter and is configured to supply The video signal from the camera to the transmitter Power to the transmitter and camera through the internal battery pack Remote on function through a hard wired switch or remote Key FOB transmitter This remote on function overrides the OFF switch located on the transmitter chassis ADDING REMOTE ON FUNCTION TO BASIC FRONT PATCH ANTENN...

Page 16: ...and can be adjusted with velcro straps at the waist and shoulders The vest is intended to be worn as an undergarment with a loose fitting shirt or other garment over the vest 4045181 Camera with 3 pin connector Assembly This camera is a high resolution color CCD type which has been modified to look like a shirt button This allows for easy concealment through a regular button hole 4045192 024 VidiV...

Page 17: ...radiating side is directed away from the body WARNING Do not use the VidiWire antenna system on the body with any transmitter outputting more than 250mW of RF energy COMPONENTS WARNING Refer to Appendix A of this manual for information on the proper use of antennas Specifications Type DTC proprietary VidiWire design Polarization Dual Polarized Peak Gain Pseudo Isotropic Horizontal Beamwidth Omnidi...

Page 18: ... Multi I O to RCA M with BNC adaptor YELLOW Remote On 24 AWG wire with a molex connector and stripped and tinned leads GREEN 4045189 024 Video In EXT Power Camera Power cable 24 standard 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...

Page 19: ...LOW Camera Power 24 AWG wire with a molex connector and stripped and tinned leads GRAY 4045192 024 Video In Camera Power Remote On 24 standard 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 ...

Page 20: ...ially in diversity systems It is available in three different bands Reversible and adjust able suction cup mounts come standard for quick and easy installation on the inside or outside of window or other hard smooth surfaces VDAR 1 Specifications Type Three Hybrid Patch elements Polarization RHCP Peak Gain 5dBic Horizontal Beamwidth 90 Vertical Beamwidth 90 Nominal Impedance 50 Ohms Groundplane Re...

Page 21: ...overage The base of the antenna includes a special flat with 10 32 threaded hole 0 25 in deep for mounting It is available in both RHCP and LHCP versions WARNING Refer to Appendix A of this manual for information on the proper use of antennas QHA 4 Specifications Type Quadrifilar Helix with Ring hybrid feed Polarization Circular Peak Gain 4dBiC at 24 above horizon Horizontal Beamwidth Omnidirectio...

Page 22: ...d vehicular mounted transmitter antennas and in a variety of receive applications Part Number Description Specifications Type Patch antenna with integral ring hybrid Polarization RHCP Peak Gain 5dBic Horizontal Beamwidth 90 Vertical Beamwidth 90 Nominal Impedance 50 Ohms Groundplane Req Built in Size 4 0 W x 4 0 H X 0 625 D 102mm x 102mm x 16mm Weight 6 4 Oz 180 g DTC Part Number Frequency Range A...

Page 23: ...ttom center of the aluminum housing The front of the antenna is a radome made of a polycarbonate material The antenna is suitable for indoor and short term outdoor use It must be protected for extended outdoor use and installations since it is not water Specifications Type Log spiral slot array absorber loaded Polarization RHCP Peak Gain 9dBic Horizontal Beamwidth 30 at 2 0 GHz Vertical Beamwidth ...

Page 24: ...able enabling you to change your video frequencies and their associated audio sub carriers This is ideal if you often work with other agencies or anticipate the equipment being used by a multi jurisdictional task force You can program up to ten channel settings per unit In general this allows you to program most varia tions you might encounter in the field at the depot level As a practical matter ...

Page 25: ...art click on run 2 Click on the Browse button 3 Click on or find your CD drive 4 Install the JAVA Runtime Environment Application first CD provided 5 Follow the install wizard screens 6 Install the Universal Programming software next floppy provided 7 Click on Start click on run 8 Click on the Browse Button 9 Click on your floppy drive 10 Double click on the setup 11 Follow the install wizard scre...

Page 26: ... cable into the Multi I O connector on the transmitter 4 Plug the serial cable of the programming cable into the COM1 or COM2 port of your computer 5 Turn the transmitter switch to ON The green dot is ON 6 Select Start programs DTC communications on your computer 7 The system allows you to select device COM1 or COM2 depending on which serial port you are connected to 8 Follow the instruc tions on ...

Page 27: ...the Edit Channel button to change settings 11 Enter your new frequency and settings 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 PROGRAMMING 13 9 10 12 11 ...

Page 28: ... Non portable applications In fixed location applications any suitable antenna may be used However to insure safe operation it is imperative that proper spacing be maintained between the radiating surface of the antenna and any persons body The required spacing depends on the RF output power of the transmitter and the gain of the antenna being used The chart below shows the correct minimum spacing...

Page 29: ...IX A Minimum Allowable Spacing Between the Antenna and the Human Body VBS VBL 250 Video Transmitter 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 Antenna Gain dB Minimum Spacing inches Using Antennas with the VBS VBL 250 Video Transmitter ...

Page 30: ...486AmherstStreet Nashua NewHampshire03063 603 880 441 1 www dtccom com ...

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