... SRAM4) Expected Bulb Life: 20,000 Hours5) Function Keys: 76) Color: STN LCD with backlight7) Screen Saver: Set by software8) Display ... inch monochrome LCD, 192*64 pixels, 20 function keys, RS232/RS485MP330-SOperate panel with touch function, 3.7 inch monochrome, 192*64 ... pixels, 24ASCII*4 lines, 26 keys, use OP software to programMP360-LOperate panel with touch function, 3.7 inch monochrome, 192 ...