Audio Precision Instrument need help

[Irfansw07]

Hi

Can anyone plz give me some information for using Audio Precision Instrument so as to measure performance of Device ?
It can be link or manual ..

Thanks in advance

 

[leo_o2]

I just use Audio Test System.

 

[Irfansw07]

Can u plz do let me know how to check the maximum level voltage in it as when it is connected to device under test it does not bring damage....
I want to bring down voltage level for my this instrument but as cant get any idea so hope to get some idea from ur instrument ....