HP 3852A Data scanning speed

Hi Labview users
I have 3852A DAQ, which is connected by GPIB-USB-B. It's data scanning/updating speed is lower than expected. It's reading 32 data (23 of thermocouple, and 9 of analog voltage), and the data updated every 2 seconds (While loop is set to run as fast as it can). When it reads smaller number(2 or 3) of data, it runs faster. I want to know if there is any way that I can increase the data scanning speed faster than every 2 seconds. I attached my VI for review. Thank you.