> Evey time i send a group of data to the graph the start number of X
> scale will follow the previous one and then keep on increase.Thus, how
> to set it back to 0 in runtime?
Either you are sending data to a chart, or your data has an X0 in it
that is increasing. First, make sure you are using a graph. Charts
have a popup menu item for Update Mode, graphs don't. If using a graph,
then you can either change the data or turn on the setting to Ignore
Timestamp.
Greg McKaskle