I had a question about TBS 1202B model

I sent the following string command to get the Freq and Peak to Peak Immediate Value for Math throug write Visa. The freq value was correct and agreed with the Measured value on the screen, but the Peak to Peak ‘PK2” value did not match. I always get “2.0E0”.. I
Get the same result for Min and MAX .  

Is there an issue with this commands ?


MEASUrement:IMMed:SOUrce MATH
MEASUREMENT:IMMED:TYPE PK2
MEASUrement:IMMed:VALue?