Technical data

If any error statements referring to the HP 70903A are displayed, refer to
“Error Messages ” in Chapter 5.
Verification 4-1
o
o Note any error statement referring to the IF Section. (709038 will be part of
the error code.)
IEk
m An instrument with LO firmware dated 876501 or earlier will not automatically display
errors after completion of self-test. Press
m An instrument with LO fimware dated 880314 or later will display any errors
encountered after the self-test is complete.
LEDs and performing the following steps.
LEDs stay on or continue to blink, refer
to Chapter 5, “Troubleshooting. ”The results of this test can be determined by examining the
front-panel indicator
module. If the
LEDs will blink on, then off, as the
analyzer checks the operation of each
(tiive) and ERR (error) status-indicator
(HP-MSIB). During this self-test,
the ACT
instmment is turned on. This test verifies the ability of the module to
communicate with the system controller on the system bus
an HP 70000 Modular Measurement
System each time the
11990A System Performance Programs
Power-on Self-Test
A module self-test is performed on all modules in
8 System Analyzer Operation Verification
n HP
softkey.
Performance Verification Tests
Tests available for performance verification and operational readiness are listed below.
n Power-On Self-Test
n System Diagnostics
71 vb and pi,
7090314 IF Section, no module performance-verification tests apply.
Firmware
The HP 70903A IF Section will work with any HP 70900A Local Oscillator (LO) firmware
versions. However LO firmware dated 889314 and later provides a different menu display than
older firmware. In a spectrum analyzer with a display, the LO ROM version can be checked
by pressing
Verification
Introduction
This chapter normally contains module performance-verification tests, which evaluate the
electrical performance of the module against its specifications. Since there are no module
specifications for the BP