| At lower speeds such as 9600 or 19200 the maximum length of the RS-232 cable can be as short as 50 feet also the quality of the cable can impair the distance a good signal may be sent. These are the settings for the Com1 on the computer that the projector wants, Baud Rate:19200 Parity Bit:none Data Bit:8 Stop Bit:1 Assign Port:COM1.
These are just a couple of things to look at. |