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cursor in a graph

Hi,
 
I have plotted a graph from a certain data that contains x-information and y-information (voltage vs. temperature). I would lika a cursor that gives me both the x-value and the y-value. i can't seem to get it to work. If I have a cursor that reads the x-data, it's doing that properly. But since it it redaing the data from the x-axis and not really from the data I can't compare it with the arry in, sice the value from the axis might not be exactly what I have in the data. So, can I somehow use a cursor that only read data that is actually in my data information?? Or, if I use the cursor like I do now, where I get the information from the axis, is it possible to get the value from the y-axis somehow. Since the graph plots the graph even where I don't have any data, it musy be possible to get the information from it.
 
Someone that can help me? Thank you!
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Hi

Lock the cursor to the plot and you will get the corresponding values.

Using LV8.0
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