CHAPTER 8 VERIFY CHANNELS-ALERTS-ZONES 89
Figure 8.8 – Channel LED
Alert LED
e alert LED is colored red when an alert’s output requirements are met (see Figure 8.9).
If an alert is selected, the corresponding zones will appear on the roadway, each with a
unique color.
Figure 8.9 – Alert LED
Zone LED
Each of the four available zones show a dierent color. is color mapping between zone
rectangles, trackers and zone LEDs shows how trackers aect zone outputs (see Table 8.2).
Zone Color
1 Green
2 Blue
3 Yellow
4 Red
Table 8.2 – Zone Colors
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