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