Contents
Operating Guide iii
In This Guide
Contents and Organization xii
Related Documents xiii
Types of Service Available if Your Instrument Fails xiv
Standard Repair Services (Worldwide) xiv
Express Repair/Performance Calibration Service (USA Only) xiv
Repair Instrument Yourself xiv
Repackaging for Shipment xv
Description of the 225 MHz Frequency Counter xvi
Options xvii
Hardware xvii
Support xvii
Accessories Supplied and Available xviii
Accessories Supplied xviii
Accessories Available xviii
Agilent 53181A Quick Reference Guide xix
1 Getting Started
The Front Panel at a Glance 1-2
The Front Panel Indicators at a Glance 1-3
The Front Panel Indicators at a Glance (Cont.) 1-4
The Front Panel Menus at a Glance 1-5
The Front Panel Menus at a Glance (Cont.) 1-6
The Front Panel Menus at a Glance (Cont.) 1-7
The Display Annunciators at a Glance 1-8
The Display Special Characters at a Glance 1-9
The Underscore Placeholder 1-9
The Asterisk Placeholder 1-9