User's Guide
Table Of Contents
- Table of Contents
- Preface
- Chapter 1: Introduction
- Chapter 2: Pre-Installation Considerations
- Chapter 3: Sensor Installation & Setup
- Chapter 4: Operations and Adjustments
Chapter 4: Operations and Adjustments
RTMS Echo User Guide ©2019 Image Sensing Systems Inc. 4-13
Condition D: Under
Count in Several
Zones
In the situation shown in Figure 4-6, the count for many zones is below what is
expected; vehicles are being missed.
Figure 4-6: Under Count: Many Zones
In the above situation the signal strength reflection may be too low. This could
be caused by the aiming angle is not perpendicular to the traffic.