Directional Radar Unit III OPERATOR’S MANUAL P/N 006-0891-00 REV.
Copyright 2008 Kustom Signals, Inc. All rights reserved Printed in the United States of America This publication may not be reproduced, stored in a retrieval system or transmitted in whole or in part in any form or by any means electronic, mechanical, photocopying, recording, or otherwise without prior written permission of Kustom Signals, Inc., 9325 Pflumm, Lenexa, Kansas 66215-3347.
TABLE OF CONTENTS INTRODUCTION .....................................................................1 SYSTEM OPERATION Radar Rear View...............................................................2 Configuration Options ......................................................3 Installation.........................................................................6 Monitoring Target Speeds.................................................6 Tuning Fork Test.........................................................
INTRODUCTION INTRODUCTION This Directional Radar Unit, known as DRU III, is designed and built for target speed sensing applications. The DRU III has designed for flexibility, simple operation, small size and extremely low current consumption. The DRU III is intended for uses in traffic, industrial, and sports products. Examples of these applications are the Kustom Signals’ S.M.A.R.T. series trailers, Pole Mounted Speed Displays and StealthStat statistics gathering systems.
SYSTEM OPERATION RADAR REAR VIEW E D A B C A. RUBBER WASHER: (2ea.) Rests on mounting screws between mounting bracket and radar unit. B. MOUNTING BRACKET SCREW: (2ea.) Connects bracket to radar unit. C. INDICATOR LED: Strongest target direction indicator. D. OPTIONAL MOUNTING INSERTS: (4ea.) Provides optional mounting for customer’s brackets. E. POWER AND DATA CONNECTOR: Connections for input power and bi-directional RS232 serial data cable.
SYSTEM OPERATION CONFIGURATION OPTIONS The DRU III was designed to give the user a configurable radar unit that can be setup for their needs. A simple PC program let the user select: 1. Target Direction: The DRU III can output speeds for targets traveling in the direction of: a. Approaching Only b. Receding Only c. Approaching and Receding d. Non Directional (all targets output) 2. Sensitivity (Range): The DRU III can be set for sensitivity from 5 (most sensitive) to 1 (least sensitive).
SYSTEM OPERATION 3. Target Tracking: The DRU III can be set to Vehicle or Sports tracking. With vehicle tracking, targets are acquired with a longer tracking history and have a 2 second target hang time. Sports’ tracking has a quick acquisition time and only a ½ second target hang time. 4. Units of Measure: The DRU III can output speeds in: a. Miles per hour (MPH) b. Kilometer per hour (km/hr) c. Feet per second (Ft/Sec) d.
SYSTEM OPERATION 8. Output Update Rate: The DRU III can be set to output packets of speed data at rates of (8 times per second, 4 times a second, 2 times a second, once a second, upon speed change, or when the user’s equipment polls for data) Note: If Output Update Rate is set to upon speed change, the DRU III outputs speeds immediately when the speeds changes by at least one unit or once every two seconds if the speed is not changing.
SYSTEM OPERATION INSTALLATION Install the DRU III unit into your system as follows: 1. Mount the radar in its bracket. 2. Attach the end of the power/data cable to the 6-pin connector on the back of the DRU III. Ensure the plug and socket is aligned properly before tightening the screw ring. Ensure the connection is firm and tighten the connector’s screw ring. 3. Plug the other end of the cable’s data leads to a compatible display or PC. 4. Connect the cable’s power leads to 8 – 16.5VDC source.
SYSTEM OPERATION TUNING FORK TEST The DRU III unit can be configured to output speeds of targets that are approaching only, receding only, both approaching and receding, or all targets including nondirectional targets. Tuning forks can only be reliably read in the all targets mode. (Tuning fork signals are generally non-directional targets). NOTE: Some display systems only display nondirectional target for a short time after power up. A 35 MPH (or 45 KPH) tuning fork is supplied with the radar.
SYSTEM OPERATION 3. Extremely cold or extremely hot tuning forks may give readings slightly above or below those specified, due to the effect of extreme temperature on the metal. If this is the case, warm or cool the forks to normal room temperature before use.
GENERAL INFORMATION THEORY OF OPERATION Block Diagram: +12VDC Input Power Supply 5 VDC K-Band 20dB(EIRP) Transceiver Module Mixers / Preamplifier Flash DSP RS232 PGA A/D Serial Port LED EE Memory The Directional Radar Unit (DRU III) transmits a radio frequency of 24.125 Gigahertz, in accordance with Federal Communications Commission regulations.
GENERAL INFORMATION This returning signal is mixed with the transmitted signal in a balanced I/Q demodulator mixer. The difference in frequency (Doppler frequency) is proportional to the speed of the target; the difference in phase is related to the direction of target travel. These returned echo signals are a very low level. The Preamplifier and Programmable Gain Amplifier stages increase the signal levels. The signals are then converted from analog to digital by the A/D converter.
GENERAL INFORMATION POWER / DATA CONNECTOR The user configures the format of the serial data that comes out the data port. There are several different protocol formats and baud rates to choose from. The pin out for the Power / Data connector is as follows: 1. Brown – Input power (8 – 16 VDC) 2. White – RS232 data into the DRU III 3. Blue – RS232 data out of the DRU III 4. Black -- Hold Control 5. Gray -- Ground 6.
GENERAL INFORMATION INTERFERENCE Interference from any external event can influence the operation of the radar. These influences can be natural or man-made. A knowledgeable operator will not be confused by these external influences. Natural events such as driving rain or blowing dust can cause a scattering effect, or diffusion, which can decrease the effective range of the radar. Terrain can also affect the radar's range.
GENERAL INFORMATION RECOMMENDED CARE AND MAINTENANCE The DRU III radar is a sturdy, reliable piece of equipment designed and built to give trouble-free service. Following certain basic care guidelines will help ensure you receive that trouble-free service. 1. As with all electrical or electronic equipment, protect from moisture. Should liquid of any kind get inside the unit, remove power immediately and send for repair. Prompt action can minimize damage. 2.
GENERAL INFORMATION KSI RADAR MICROWAVE EMISSION A traffic radar operator may justifiably have some concerns about the biological effects of exposure to the microwave energy produced by the radar device. According to all credible evidence, the emission levels resulting from traffic radar use pose no threat whatsoever, either to the radar operator or to target vehicle occupants.
GENERAL INFORMATION All Kustom Signals’ radar systems utilize microwave oscillators, which produce aperture power densities, measured directly at the face of the antenna, in the range of approximately 0.3 to 2.3 mW/cm2. The vast majority of units produce values in the 0.3 to 0.6 mW/cm2 range. Under no circumstances would a Kustom Signals traffic radar unit be capable of producing an aperture power density in excess of 4.0 mW/cm2, still well below the safe limit.
TROUBLESHOOTING GUIDE TROUBLESHOOTING If you are having operating difficulty, recheck the operating information in this manual, then check the following before notifying your Kustom Signals service representative of a problem. Problem Possible Solution No indications on Ensure power /data cable is firmly attached. LED. Check for dirty power receptacle or dead battery. No target indication on LED, no speed readings RS232. Check antenna aim; ensure beam is not being obstructed.
TECHNICAL SPECIFICATIONS MICROWAVE Frequency: 24.125 + .1 Ghz (K-Band) Output Power (EIRP): 20dBm Source: PHEMT or DRO Antenna Type: Planar Array Polarization: Linear Horizontal Beamwidth: 12o Receiver Type: Dual Channel low noise GENERAL Supply Voltage Range: 7.4 - 24.0 VDC 12.6 VDC (nominal) Supply Current < 100ma. @12.6 VDC Environmental: -30oC to +65oC; 90% relative humidity at +37oC, noncondensing Target Speed Range: User selectable from 1 – 150 MPH. Size: 3.”H x 3.0”W x 1.
REFERENCES FCC INFORMATION FCC IDENTIFIER Name of Grantee IVQDRU-III Kustom Signals Inc. The DRU III has been tested and found to comply with the limits pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
WARRANTY WARRANTY The Kustom Signals Traffic Safety Radar system is guaranteed to be free of defects in materials and workmanship for a period of two (2) years from date of delivery to the Owner or Lessee. • This Warranty applies only to the original registered Owner or Lessee on file at Kustom Signals, Inc., and cannot be assigned or transferred to a third party. • The Owner or Lessee shall use the Equipment in accordance with the manufacturer’s operational instructions.
WARRANTY • This warranty is not intended to supplant normal care and service by the Owner or Lessee, as specified in the Operator’s Manual, and shall not apply to Equipment which has been defaced or damaged through normal usage. • The liability of Kustom Signals, Inc., if any, with respect to the equipment, shall be limited as provided in this Warranty. Kustom Signals, Inc.
