Keysight N9038A MXE Service Guide 461
Service and Diagnostics Menus
Service Key Descriptions
Timebase
This menu allows access to manually adjust the 10 MHz reference (timebase).
Timebase DAC
This allows the technician to adjust the 10 MHz reference (timebase). The
adjustment is performed by changing the DAC setting controlling the
reference.
Once the reference is adjusted to the proper frequency, the DAC value can be
saved in non-volatile memory by pressing the Save menu key. If the Timebase
DAC value has been changed, but no Save operation performed before exiting
this menu, a warning is provided to you that they have not saved their setting,
as shown in
.
Figure 16-13
Timebase DAC Changes Warning
Save
Save permanently saves the current Timebase DAC setting to non-volatile
memory. When this key is pressed a confirmation prompt, as shown in
, must be accepted in order for the new DAC value to be saved.
Figure 16-14
Timebase DAC Save Confirmation
Содержание N9038A
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Страница 216: ...216 Keysight N9038A MXE Service Guide RF Preselector Section RF Preselector Section Troubleshooting ...
Страница 268: ...268 Keysight N9038A MXE Service Guide L O Synthesizer A14 L O Synthesizer Assembly Troubleshooting ...
Страница 354: ...354 Keysight N9038A MXE Service Guide Analog Digital IF A3 Digital I F Troubleshooting ...
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Страница 429: ...448 Keysight N9038A MXE Service Guide Block Diagrams Block Diagrams Reference Block Diagram ...
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Страница 589: ...608 Keysight N9038A MXE Service Guide Assembly Replacement Procedures Motherboard Assembly Figure 18 57 Bottom Screws ...
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Страница 741: ...760 Keysight N9038A MXE Service Guide Tests Intermittent Unsteady Drifting Disturbances ...