Nikon NP4100 - Manual (Page 103)

5. Using On-Screen Display
88
Desktop front Ceiling rear
Ceiling front Desktop rear
Communication Speed
Select communication speed to set the baud rate of the connection.
Note:
Longer cable connections may require lower settings.
Select from the following options:
4800bps
9600bps
19200bps
38400bps
Menu Color Select
Select color modes to set the menu color.