Chart displays real quick

I am using buffered data acquisition and i acquire at the rate of 20,000 samples per second and i write my data to a binary file. The problem is I view my data in a chart when recording the data. The chart is too fast, I want to reduce the speed of the chart say at around 2000 samples per second but i want to record data at 20,000 samples per second. Is there a way so that the chart displays my data at a slower pace?
Thanks,
Oxygen

see attached vi.
just pass the data array to the decimate function as illustrated.
Attachments:
Decimate array.vi ‏79 KB

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Hi All,
I have problem in showing data(scale on y-axis)..on the xy-chart display...
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1.length vs 1st Speed
2.length vs 2nd Speed..
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I attached my front panel window diagram for ur kind help....
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Attachments:
speed251.vi ‏433 KB
Front-panel2.PNG ‏110 KB

Dear friend,
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Attachments:
Front-panel2.PNG ‏110 KB
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Attachments:
Blockdiagramm.png ‏153 KB
Frontpenal.png ‏172 KB
Temp+Druck_daqmx.vi ‏595 KB

Hello annaei,
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Attachments:
mit 250ms multiple loop pass.png ‏171 KB
with 100ms multiple loop pass.png ‏160 KB
Temp+Druck_daqmx.vi ‏600 KB

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