The Receiver Display as a Troubleshooting Tool
The Receiver Display is a Troubleshooting Tool. It enables the analyzer to isolate faulty functional groups within its own Measurement System. Traces for each Receiver are Displayed in individual windows. Identifying discrepancies of the traces in these windows can help isolate the faulty assembly.
For a thorough description of Receiver Display and the troubleshooting steps see the Service Guide for your VNA.