1. I have installed the NI-488.2 driver,and the agilent E3631A can be recognized by the GPIB-USB-HS
2.I have selected all list passports include NiVisaTulip. dll,but there is no use.
3. I have replaced three oscilloscopes,it still can't be recognized
4. Whether I need install one more driver,I'm so confused,please help me,thank you all very much.