North Carolina RADAR State Practice Exam

What happens when radar sensitivity is set to "low"?

1. It tracks all vehicles in range

2. It reacts to weak signals

3. It only responds to very strong signals

4. It tracks multiple vehicles simultaneously

The correct answer is: It only responds to very strong signals

When radar sensitivity is set to "low," it primarily responds to very strong signals. This adjustment minimizes the radar's response to weaker signals, which could include distant vehicles, smaller objects, or interference from the environment. By tuning to a lower sensitivity, the radar system becomes less prone to false positives or unwanted clutter from less significant signals. This allows for clearer identification and tracking of significant targets, ensuring that operators focus on the most relevant data and reduce distractions from less important information, thereby enhancing overall operational efficiency. Settings that would react to weak signals would be at a higher sensitivity, but in the case of a low sensitivity setting, the radar is optimized to latch onto the most substantial and potentially relevant targets, thus improving its performance in busy environments.