What must be done to ensure the proper functioning of Constant Path during programming?

To ensure the proper functioning of Constant Path during programming, maintaining a constant programmed speed is essential. Constant Path is a control strategy used in CNC programming that ensures the tool follows a smooth and consistent path with uniform motion throughout the operation. If the programmed speed varies, it can lead to fluctuations in the path execution, affecting the precision and surface finish of the machined part. By keeping the speed constant, the system can manage tool movements more effectively, resulting in higher accuracy and reliability in machining operations.

The other options do not directly relate to the core requirement of maintaining a constant speed for the Constant Path function. Changing all parameters may be necessary for different aspects of programming but does not specifically address the constant path motion. Using only Cartesian coordinates could be relevant for certain programming situations but is not a prerequisite for ensuring a constant path. Similarly, while reconfirming speed settings can be good practice for general CNC operations, it is not a fundamental requirement for the Constant Path functionality itself.