There is not a method for temporarily disabling an MDF Only element within the Simcenter user interface without editing the MDF Content text input. Often times when importing a mechanism from Virtual.Lab, the command for disabling elements in the text input is not included.
In order to disable an element, open the MDF Only Elements dialog box from the Home tab.
From here, select the element that you want to disable. Scroll to the bottom of the MDF Content window and insert the following line if it is absent:
in order to disable the element without deleting it entirely. Make sure that this line is inserted above the last line that signals the end of the element definition in the following way:
If you want to re-enable the element, simply change the variable "true" to "false".