How does 'moving mode' enhance radar speed detection?

'Moving mode' enhances radar speed detection primarily because it allows law enforcement officers to accurately measure the speed of other vehicles while their own vehicle is in motion. In this mode, the radar unit compensates for the speed of the officer's vehicle, enabling it to isolate and accurately calculate the speed of the target vehicle, even as the officer is driving. This capability is crucial for effectively monitoring traffic speeds in real-time situations where officers may need to patrol and detect speed violations simultaneously.

To grasp the full context, it's useful to note that the other options address different aspects of radar functionality but do not specifically pertain to the operational advantage of moving mode. For instance, preventing interference involves signal clarity, while increasing measurement range refers to the distance over which the radar can accurately gauge speed. Additionally, battery life concerns are more related to the technical specifications of the device rather than the operational capabilities provided by moving mode. Thus, moving mode stands out as a feature designed specifically to enhance the accuracy and practicality of speed detection during active enforcement.