13 Service And Diagnostics Menus; Overview - Keysight N8973B Service Manual

Keysight NFA Series Noise Figure Analyzers
Service Guide

13 Service and Diagnostics Menus

Overview

The Service capabilities described below are accessed via the Service menus in
the System Settings Diagnostic menu and Spectrum Analyzer mode Measure
Setup menu. The Service capabilities are intended for field service technicians.
These technicians may be at a Keysight Service Center or at a self-maintaining
customer site.
There are two types of Service capabilities:
1. Diagnostics - These are available to any user and will assist in initial
2. Service Functions - These are for use by the factory or field repair
troubleshooting of instrument malfunctions. Examples are the ability to
read the mechanical relay cycles.
technicians, access is controlled. Examples are the ability to band lock the
analyzer and control the DAC which sets the 10 MHz Reference frequency.
333