Agilent Technologies 8487D Guía de usuario descargar pdf (Pagina 107)

Power Meter Operation

Self Test

Agilent E4418B User’s Guide 2-67

Front Panel Selection of Self Tests

Press , , , to access a test menu which

consists of the following tests:

• Instrument Self Test

• Confidence Check

• Individual, which accesses a menu which consists of the following

tests:

■ Memory

■ RAM Battery

■ Measurement Assembly

■ Calibrator

■ Keyboard

■ Fan

■ Display, which accesses a menu which consists of the following

tests:

◆ Display Assembly

◆ Display RAM

◆ Bitmap Displays

■ Serial Interface, which accesses a menu which consists of the

following tests:

◆ UART Configuration

◆ Local Loop Back

◆ RS232 Loop Back

◆ RS422 Loop Back

Note The RS232 and RS422 loop back tests require a specially wired

connector - refer to the Agilent E4418B/E4419B Service Guide.

Each of these tests can be run individually. Information on the instrument

self test and confidence check are described on page 2-68. Refer to “Test

Descriptions”, on page 2-70 if you require a description of the other tests.

When an individual test is selected, the message “Testing...” appears

next to the name of the test. When the test is complete, the message

“Testing...” is replaced by either the message “Passed” or “Failed”.

This pass/fail indication excludes the keyboard test and the bitmap

display test, both of which rely on your interaction to detect a failure.

System

Inputs

Service Self Test

HP4402.book Page 67 Wednesday, November 29, 2000 4:46 PM

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Agilent Technologies 8487D Guía de usuario Pagina 107