Self Test.........................................................................................

2-50

Power On Self Test .................................................................

2-50

Front Panel Selection of Self Tests........................................

2-51

HP-IB Testing.........................................................................

2-53

Test Descriptions....................................................................

2-54

Operator Maintenance..................................................................

2-56

Replacing the Power Line Fuse .............................................

2-56

Contacting Hewlett-Packard ........................................................

2-57

Before calling Hewlett-Packard.............................................

2-57

Check the Basics.....................................................................

2-58

Instrument serial numbers....................................................

2-58

Sales and Service Offices .......................................................

2-60

Returning Your Power Meter for Service..............................

2-63

Menu Reference...................................................................................

3-1

Introduction...................................................................................

3-2

The Front Panel Menu Maps .......................................................

3-3

dBm/W Menu ..........................................................................

3-3

Frequency/Cal Fac Menu .......................................................

3-4

Meas Setup Menu...................................................................

3-5

Rel/Offset Menu......................................................................

3-6

Save/Recall Menu ...................................................................

3-6

System Inputs Menu ..............................................................

3-7

System Inputs Menu Continued............................................

3-8

Zero/Cal Menu ........................................................................

3-9

Front Panel Menu Reference........................................................

3-10

Diagrammatical Hardkeys.....................................................

3-27

Error Messages ....................................................................................

4-1

Introduction...................................................................................

4-2

Error Messages .............................................................................

4-4

Specifications.......................................................................................

5-1

Introduction...................................................................................

5-2

Power Meter Specifications ..........................................................

5-3

Meter .......................................................................................

5-3

Accuracy..................................................................................

5-4

Power Reference .....................................................................

5-5

Power Meter Supplemental Characteristics................................

5-6

Power Reference .....................................................................

5-6

Measurement Speed ...............................................................

5-6

Zero Drift of Sensors...............................................................

5-7

Measurement Noise................................................................

5-7

Settling Time ..........................................................................

5-9

HP EPM-442A User’s Guide

Contents-3