dfdt digital filter design filter ,i designed a filter but when i generate labview code and use it ,my wave's amplitude seems down,why???!

[labview测控小能手]

what 's wrong with my programe,filter fs =8000hz,low cut frequence is 100hz.

[labview测控小能手]

did i used right in this programe?

[RavensFan]

Isn't this basically the same question you asked in your other threads?

[labview测控小能手]

no,in this question i used dfdt tool to design filter ,in that question,i used the origin vi in labview.i had solve that question already.

any mistake in this programe? 

i desired a filter and wanner use it in labview ,the setting is below

[labview测控小能手]

[labview测控小能手]

after i design the filter,the labview give me a lvproj and i opend it get the filter vi ,but i dont know if i used right,i put the signal direct in to the x,the picture is below.thank you~