Keysight Technologies E4412A Operating And Service Manual page 32

1 Operation and Service Guide
10 Perform zeroing for the DUT by sending "CAL:ZERO:AUTO ONCE" and wait for
11 Read the noise level of the DUT by sending "READ?" and then record the
12 Repeat 10 times,
13 Compare the calculated mean value to the product datasheet. If the
32
the power meter to complete the zeroing process.
reading.
step 11
readings.
verification fails, refer to
Keysight E4412A and E4413A Operating and Service Guide
to step 12 and then calculate the mean value of the
"Adjustments" on page 41.