480
Keysight NFA Series Noise Figure Analyzers Service Guide
Post-Repair Procedures
Post-Repair Procedures
BIOS Settings Verification
Whenever either the A4 CPU assembly or the A4BT1 CPU Battery is changed
there are certain BIOS settings that need to be verified. If these are not set
correctly the instrument may not boot up or operate correctly.
Default BIOS Settings
1.
Connect an external USB keyboard to one of the front panel USB ports.
2.
Turn on instrument power.
3.
Confirm Keysight Technologies splash screen comes up within a few
seconds.
4.
Press the key on the keyboard specified on the initial boot screen to enter
the setup utility.
5.
Navigate to the Exit screen and select “Restore Defaults” or “Load Setup
Defaults”, whichever is present.
6.
Once the defaults have been loaded select “Save Changes” and “Exit”.
Содержание N8973B
Страница 4: ...4 ...
Страница 44: ...44 Keysight NFA Series Noise Figure Analyzers Service Guide Overview How to Return Your Instrument for Service ...
Страница 132: ...132 Keysight NFA Series Noise Figure Analyzers Service Guide Instrument Messages Condition Messages ...
Страница 228: ...228 Keysight NFA Series Noise Figure Analyzers Service Guide RF Section Troubleshooting N8976B Troubleshooting ...
Страница 268: ...268 Keysight NFA Series Noise Figure Analyzers Service Guide Analog Digital IF Troubleshooting 25 MHz BW IF Section ...
Страница 322: ...322 Keysight NFA Series Noise Figure Analyzers Service Guide Block Diagrams Block Diagrams Block Diagrams ...
Страница 332: ...332 Keysight NFA Series Noise Figure Analyzers Service Guide Block Diagrams Block Diagrams NFA Computer Block Diagram ...
Страница 350: ...350 Keysight NFA Series Noise Figure Analyzers Service Guide Service and Diagnostics Menus Front Panel Key Test ...
Страница 470: ...470 Keysight NFA Series Noise Figure Analyzers Service Guide Assembly Replacement Procedures Front Frame Assembly ...