HP Cable Box 8591C manual FM Span Format Card Free RUN Freq Diag Freq Disc Norm OFF

Spectrum Analyzer Mode Key Descriptions

Spectrum Analyzer Mode Functions

FM SPAN

FORMAT

CARD

FREE RUN

FREQ

DIAG

FREQ DISC NORM OFF

displays the FM-SPAN signal from the span dividers on the A7 Analog Interface assembly. This is a service diagnostic function and is for service use only.

Front-Panel Key Access ICAL)

formats a card in logical interchange format (LlF’). This is the same as ERASE MEM CARD The memory card is formatted

with the volume label “HP859X.” Pressing FORMAT CARD causes a message to appear on the analyzer screen: If you are sure, press key again to purge data. Press FORMAT CARD again if you want to format the memory

card. Pressing FORMAT CARD deletes data stored on the memory card.

Front-Panel Key Access (CONFIGI)

activates the trigger condition that allows the next sweep to start as soon as possible after the last sweep.

Front-Panel Key Access LTRIG)

displays, in real-time, frequency diagnostic information for the LO section. This is a service diagnostic function and is for service use only.

Front-Panel Key Access ICAL]

indicates the status of the frequency discriminator as a function of LO span. This is a service diagnostic function and is for service use only.

Front-Panel Key Access (CAL)

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