Fangrui Product Details The Vehicle Loop Detector Is Mainly Used To Detect The Existence And Passing Of Vehicles;reset Switch: The Reset Switch Enables The Detector To Be Manually Reset During Commissioning And Testing. This Results In The Detector Re-tuning The Sensing Loop And Becoming Ready For Vehicle Detection Selectable Pulse Time: This Sets The Length Of Time That The Pulse Relay Be Energized For 1 Second Or 0.5 Seconds;pulse Relay Selection: The Pulse Relay May Be Configured To Energize On Detection Of A Vehicle Or When The Vehicle Leaves The Loop Sensitivity Boost : This Sets The Undetected Level To Maximum Sensitivity And Is Used To Prevent Loss Of Detection Of High-bed Vehicles Switch Selectable Sensibility: 4 Sensitivity Setting Are Available On The Switches To Allow Flexibility In Configuration;switch Selectable Frequency: 4 Frequency Settings Are Available To Prevent -talk Between Adjacent Loops Filter Option: This Option Is Used To Provide A Delay Between Detection Of The Vehicle And Switching Of