How to change scale for fringe levels at ls prepost

[ctaini]

hi all..
i facing problem to get a good contour..because the scale at fringe levels so big.
for example:
level 8 = 1.224e+037
level 9 = 6.122e+036
level 10 = 0

i have 4500 element that the value from 0 to 6.122e+37..so the result that i got all in blue color because have a big difference value from level 9 and level 10.

please help me to get a good contour.

 

[ctaini]

how to change the fringe scale?..