John Ballance <jwb@xxxxxxxxxx> wrote: > Hi > > In USB, nothing is 'sent automatically,. anything that comes down the > cable is requested and interpreted by the driver software. Does that mean that the application (on Windows) that responds to buttons being pressed on the scanner is actually polling it? -- Jeremy Nicoll - my opinions are my own --- To alter your preferences or leave the group, visit //www.freelists.org/list/iyonix-support Other info via //www.freelists.org/webpage/iyonix-support