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Chapter 4 255
Key Function Descriptions
Key Descriptions
NEW CORR PT Moves you to a new point at the end of the list of
frequency-amplitude correction points and activates
the EDIT FREQ softkey. This is a convenient way to
enter a new correction point when you are not currently
at the end of the list of corrections.
Front-panel key access:
CAL
NEXT PEAK Moves the active marker to the next highest trace point
relative to the current marker position. Finds
successively lower peaks when pressed repeatedly. The
next trace peak must meet the current peak excursion
and peak threshold criteria in order to be considered a
peak.
Front-panel key access:
AUX CTRL, FREQ COUNT, or
PEAK
SEARCH
NEXT PK LEFT Finds the next peak to the left of the current marker
position. The next trace peak must meet the current
peak excursion and peak threshold criteria in order to
be considered a peak.
Front-panel key access:
PEAK SEARCH
NEXT PK RIGHT Finds the next peak to the right of the current marker
position. The next trace peak must meet the current
peak excursion and peak threshold criteria in order to
be considered a peak.
Front-panel key access:
PEAK SEARCH
NORM REF LVL Available only when NORMLIZE ON OFF is ON.
Activates the normalized reference level. Adjustments
may be made using the data keys, step keys, or knob.
The units for the normalized reference level is dB.
NORM REF LVL is not equivalent to REF LVL. When
NORM REF LVL is adjusted, the input attenuator and
IF step gains are not affected. This function is a
trace-offset function, enabling the user to offset the
displayed trace without introducing errors into the
stimulus-response measurement.
Front-panel key access:
AMPLITUDE
NORM REF POSN Allows the user to adjust the normalized reference
position that corresponds to the position on the
graticule where the difference between the measured
and calibrated traces resides. The dB value of
normalized reference position is equal to the
normalized reference level.
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