How to make a numeric indicator not show 0 as default value

I use Labview 8.0.
I need several numeric indicators to show some calculated results, but before I get the calculation results, thoes indicator will always show "0"  as their default value. So, how can I make these indicator just be blank before I get the result that I want to display?
Thanks!

You can also right click the indicator and go to data operations and than click "make current value Default"
Harold Timmis
[email protected]
Orlando,Fl
*Kudos always welcome
Attachments:
value.jpg ‏78 KB

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