Keysight N5221A Service Manual page 77

PNA Series Microwave Network Analyzers Tests and Adjustments
N5221A/22A Adjustments
Figure 3-18 PNA Noise Adjustment Dialog Box
3. Click Begin.
4. As shown in Figure 3-19, connect an RF cable between the network analyzer test ports 1 and 2.
Figure 3-19 Equipment Setup 1 for the Receiver Adjustment
5. When prompted, connect the noise source to port 2, either directly or with a short, low-loss adapter. See
Figure 3-20
Service Guide N5222-90001 3-49