Do you need to see this in competition? If so, then you should make a custom Dashboard project. You can put your own custom indicator on the front panel and make it as large as you like, with as many digits as you like. You can even make it change color or start blinking if the value crosses some threshold.
I found this tutorial really useful in making my own dashboard:
http://decibel.ni.com/content/docs/DOC-14704