The external interface may be {HEAD ~ use} for uploading {TAIL ~ electronic images} and other information from an external data source, and may use the uploaded electronic images and other information for programming and updating the controller and for viewing the electronic images and other information on the display of the controller 
for uploading
The external interface may be { HEAD ~ use } for uploading { TAIL ~ electronic images } and other information from an external data source , and may use the uploaded electronic images and other information for programming and updating the controller and for viewing the electronic images and other information on the display of the controller
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH