Hi Guys, Labview newbie here and am trying to build a Labview simulation of a basic sensor. Here is the question I can't seem to figure out. Basically I have one input - a on/off switch. When the switch is on, it will simulate a crucial event where the user must pay attention to it. This will light up an LED for this event. When the system is off, the system is running fine and there is an led indicator for that also. For the crucial event, I want the LED to stay on until the user sees it and acknowledges it --> he or she can acknowledge the event until he/she clicks on the LED which will turn it off. This LED will stay on even if the on/off switch is in the off state because I want the user to see that the crucial event actually occured. I have this so far (really basic):I want the bottom LED to stay on until it is acknowleded! Any insights on this would help! Thanks!

You would use a shift register for the historic status, e.g. as follows (LabVIEW 8.5): Message Edited by altenbach on 11-01-2008 11:21 AM

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Here's what I would do.

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Thank you so much! This was exactly what I needed.

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