I do not see the waveform correctly in the VI

Hi,
I'm trying to visualize a waveform from the oscilloscope (Rigol DS1064B) into the labview. The VI I am using is the example of Rigol (is attached). I do not know what can be the problem, all I do is choose the correct VISA resource name and click run continously?? I have to do something else?
More information in case it is useful:The signal input in the oscilloscope is 1000,000MHz and 5Vpp. And the scale of the oscilloscope is 500us and 1V. In the beggining of the VI the scales are -0,5 to 1 for amplitude (y axis) and 0 to 0,004 for time (x axis). But when I run the VI scales change to -1 to 1 for amplitude (y axis) and 0 to 1100 for time (x axis) and only see a horizontal line on the 0.
Anyone know what could be the problem?
Tanks in advance.
Attachments:
RIGOL DS1000 Series Acquire Continuous Waveform.vi ‏29 KB

Dennis_Knutson wrote:
Ranjeet_Singh wrote:
You are running you while loop in 100ms delay, How you will recognize the new updated data?
???? What is the relevance of this?
perikillo,
As you can see, the VI issues an autoset. The graph is also set to autoscale on the x and y axis as well as loose fit so the initial x and y values are not relevant.
What do you actuall see on the scope's screen?
p.s. Never, ever use Run Continuously until you know what it does. It is a special debug mode.
He is updating the waveform in 100 ms. If any new changes comes then how he will recognize it? May after 200ms old data may appear and stays till 2 sec hence looks like old datas still there
Kudos are always welcome if you got solution to some extent.
I need my difficulties because they are necessary to enjoy my success.
--Ranjeet

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