1. An operator interface for a machine, comprising: a display device; an operator interface device for receiving input from an operator corresponding to a requested machine function and for generating a machine function signal in response to the received operator input; a help request device configured to receive a request from the operator for information and to generate a help signal in response to the request; and a controller in communication with the display device, the operator interface device, and the help request device, the controller being configured to display on the display device information about the requested machine function to the operator in response to receiving the help signal and the machine function signal, the displayed information including: a name or description of the requested machine function; an indication of whether the requested machine function is currently enabled on the machine; an indication of a current mode of operation for the requested machine function; and a link to content regarding the requested machine function.