Table of Contents
Welcome to Decatur Electronics ...........................................6
Introduction ..............................................................7
About This Manual ........................................................7
1 Quick Start ...........................................................8
1.1 Initial Set Up ......................................................8
1.1.1 Insert the Batteries ..............................................8
1.1.2 Control Panel Functions .........................................9
1.2 Trigger Operation .................................................9
1.3 Measuring a Target Speed .........................................9
2 Components .........................................................9
2.1 Batteries ..........................................................9
2.1.1 Removing Batteries ............................................11
2.1.2 Battery Charger................................................11
2.2 Controls .........................................................12
2.3 Display . .........................................................13
2.3.1 Number Segments .............................................13
2.3.2 StatusIndicatorIcons..........................................13
2.4 Trigger . .........................................................14
2.5 Mounting Configurations . .......................................15
3 Operating Modes ....................................................15
3.1 Primary Menu ...................................................16
3.2 Secondary Menu.................................................17
3.3 Directional.......................................................19
3.4 Strongest Signal Mode ...........................................20
3.5 Faster Mode .....................................................20
3.6 Faster Toggle Mode ..............................................21
3.7 Faster Hold Mode ................................................21
4 Serial Output Mode ..................................................22
5 Performance Tips.....................................................23
5.1 How Radar Works ................................................23
5.2 Interference Sources .............................................23
5.2.1 Angular Interference (Cosine Effect) ............................23
5.2.2 Fan Interference ...............................................25
5.2.3 Electromagnetic Interference (EMI).............................25
5.2.4 Feedback Interference .........................................25
5.2.5 Multi-Path Beam Cancellation ..................................25
5.2.6 Radio Frequency Interference (RFI) .............................25
5.2.7 Scanning......................................................25
6 Testing the Device ...................................................26
6.1 Operator-Requested Self Test.....................................26
6.2 Mini-Test ........................................................26
7 Care, Cleaning, and Storage ..........................................26
8 Specifications .......................................................27
8.1 Antenna Parameters .............................................27
8.2 Voltages .........................................................27
8.3 Speed Range Parameters.........................................27
8.4 Power Consumption Parameters .................................28
8.5 Accuracy ........................................................28
9 Legal Requirements ..................................................29
9.1 FCC Document ..................................................29
10 Frequently Asked Questions (FAQ) ....................................30
11 Service .............................................................31
11.1 Warranty ......................................................31
11.2 Service Return Procedure ......................................32
12 How to Order Additional Products ....................................33
User Notes .............................................................34