Get a waveform graph to stop plotting after a given time period

I am doing a research project looking at the effects of modifying visual feedback on a person's current force output. I have a waveform graph that plots the target force level they are trying to match (specified by me) and next to it a second plot showing their current force output (in real time). I am trying to make a condition where the current force output plot (or really the whole waveform graph) stops plotting after a 10 s time period, but can't seem to get it to work. It either plots for the whole trial, or does not plot at all. Is there a way to put a timer on a waveform graph in order to tell it to stop plotting after a specified time period?
Thanks!

Hi again,
I have tried to open the .vi you sent, but I have version 8.2 (yours is in version 8.5) and cannot open it. Is there a way for you to tave the.vi so that it can be opened with earlier versions of the program?
I have attatched my .vi to this message as well.
Attachments:
bimanual combined with metronome_conds.vi ‏174 KB

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