A Macro that contains a motion instruction can be assigned to Teach Pendant User Key 1 without the shift key?

When considering the functionality of a Macro that includes a motion instruction and its ability to be assigned to a Teach Pendant User Key, it is important to understand the operational limitations within FANUC systems. In this context, the answer indicates that it is not possible to assign such a Macro directly to the User Key without using the shift key.

The teaching pendant is designed with specific operational parameters that prioritize safety and control, particularly in contexts involving motion commands. Motion instructions can potentially alter the position of a machine, which increases risks if they are activated without necessary precautions. Therefore, requiring the use of the shift key ensures that operators execute these commands intentionally and with full awareness, thereby preventing unintended movement or actions that may lead to accidents or equipment damage.

Other choices introduce various scenarios that suggest exceptions to this rule; however, they do not align with the fundamental safety measures intrinsic to FANUC's design and operational guidelines. The stipulation for requiring the shift key reinforces proper protocol and helps maintain a safe working environment.