Is it possible to determine what character is currently displayed at the cursor position ? I"m trying to use this device to display a prompt for user input and I need to know whats at the current cursor position.

Also, does this model support a cursor of some sort, a blinking one or otherwise ...

I'm trying to interface this MO display using the COM3 port on the BX-24. The transmission to the the display seems to be working fine since I can get stuff to display on the screen. But as soon as I connect the Tx line from the display to the defined Rx pin of the BX-24 the display goes blank. What ...