The operator panel is based on the Microsoft Windows CE standard operating system The TP 277 6" has the following features : MPI/DP and Ethernet interfaces for operation on PROFINET and PROFIBUS TFT Screen with 256 colors and QVGA resolution (320 x 240 pixels) Scripts and archives The memory can be expanded by a MultiMediaCard slot Onboard USB interface, e.g. for mouse, keyboard, barcode reader or printer