M4 com port 2 query

how do we change the Motec software so we use com port 2 on a machine running XP
com port 1 is already used by another device (mouse??)
thanks
com port 1 is already used by another device (mouse??)
thanks
The official support forum for MoTeC products
https://forum.motec.com.au/
terryo wrote:what is the "interrogator screen"