HP 84125C, User Manual

Page: 61 / 101

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MAX HOLD
ON OFF
Softkey that when on, maintains the maximum level for each
trace and updates the trace if a new maximum level is detected in
successive sweeps . When o, erases previously stored screen data
and continuously updates the display during successive sweeps of the
analyzer .
Note
The Max Hold function is only available for Trace A.
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4 MODULE 5
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USER
KEYS
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MAX HOLD
ON OFF
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MKR LIM
ON OFF
Only available in Linear mode .
Softkey that will activate a Marker Limit value . When
N NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MARKER dB V/m is pressed, the signal at the marker frequency is
compared against this value . A fail message will be displayed if the
amplitude of the marker exceeds the Marker Limit value .
Note
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MKR LIM ON OFF is replaced by
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
LIM LINE ON OFF when the
Logarithmic mode is selected.
The limit value is set using the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ADJUST LIMIT softkey . When
switching from the Linear to Logarithmic mode , this same value will
be used for the Limit Line value .
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USER
KEYS
NNNNNNNNNNNNNNNNN
More
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MKR LIM
ON OFF
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NEXT
PEAK
Softkey that moves the active marker to the next higher signal in the
trace .
Note
The P eak Excursion and P eak Threshold functions are used to
dene what constitutes a peak on a trace . Refer to \Key Function
Descriptions" in the HP 8560 E-Series Spectrum Analyzer User's
Guide for a complete description of these functions .
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USER
KEYS
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MARKER
dB V/m
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NEXT
PEAK
5-8 System Interface