Wavetronix SmartSensor HD (101-0415) - User Guide Manual de usuario descargar pdf (Pagina 64)

CHAPTER 6  LANES 63

Play/Pause/Stop Buttons

e Play, Pause and Stop buttons allow you to control the data display. When

Pause is selected, vehicles traveling on the screen will not be included in the presence, vol-

ume, speed or class sidebars. Click the Play button to add new vehicles to the running totals

for all sidebars; click the Stop button to reset all volume, speed and class numbers to zero.

Lane Adjustment

Lane performance can be adjusted by clicking anywhere inside a lane and using the Lane

Adjustment tool (see Figure 6.14). e drop-down list allows you to adjust lane volume, de-

tection, speed, length, extension time or direction protection. To return to default settings,

select Set Defaults from the drop-down list and click the OK button. Each lane adjustment

is independent of other lanes; setting one lane back to defaults using the Set Defaults op-

tion will not aect the other lanes.

Figure 6.14 – Lane Adjustment Window

 Volume – is setting should be adjusted rst when a problem with count accuracy is ob-

served. e default is 100%. is setting adjusts the aggressiveness of trac radar-specic

algorithms and is not an arbitrary scale factor. By increasing the percentage by 10% to

15%, you are likely to begin to increase the number of detection, and by decreasing the

percentage by 10% to 15%, you are likely to begin to decrease the number of detections.

Small adjustments of only 1% or 2% may actually have no impact on the detection per-

formance. Practical values for this setting are typically between 20% and 190%. If the vol-

ume lane adjustment is below 20%, many detections in that lane will probably be missed;

if it is set greater than 190%, many false detections will probably occur.

 Detection – Raises or lowers the threshold for detecting vehicles. e sensor auto-

matically determines where the threshold will be placed, and then adds in this tuning

parameter. Entering a larger number will result in fewer detections; entering a small

number will result in more detections. e default is 0 dB.

Note

Changing the detection tuning parameter can drastically eect vehicle detection.

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Wavetronix SmartSensor HD (101-0415) - User Guide Manual de usuario Pagina 64