202 Chapter4
Key Function Descriptions
Key Function Tables
MAX HOLD B TRACE Displays and holds the maximum responses
of the input signal in trace B.
NORM REF POSN TRACE Adjusts the normalized reference position.
For use with NORMLIZE ON OFF.
NORMLIZE ON OFF TRACE Switches the normalization routine, for
stimulus-response measurements, on and
off.
RBW/SPAN RATIO BW Displays the current coupling ratio between
the resolution bandwidth and the frequency
span.
RES BW AUTO MAN AUTO COUPLE,
BW
Adjusts the resolution bandwidth of the
spectrum analyzer. The resolution
bandwidth may be coupled to other
functions (AUTO) or adjusted manually
(MAN).
SCREEN TITLE DISPLAY Accesses a menu of functions for creating
on-screen titles.
SELECT CHAR DISPLAY Causes the currently selected character in
the active block to appear in the next
available position of the title.
SPACE DISPLAY Places a blank space in the next available
character position in the title.
SWEEP — Activates the sweep time function and
accesses a menu of sweep related function.
SWEEP CONT SGL SWEEP, TRIG Allows you to select continuous sweep or
single sweep mode.
SWP TIME AUTO MAN AUTO COUPLE,
SWEEP
Adjusts the sweep time of the spectrum
analyzer. The sweep time may be coupled to
bandwidth and span settings (AUTO) or
adjusted manually (MAN).
THRESHLD ON OFF DISPLAY Sets a threshold that determines the lower
limit of an active trace. Adjust the threshold
using the data keys, the step keys, or the
knob.
TITLE DONE DISPLAY Ends editing of the current title.
TRACE — Accesses a menu of trace functions.
TRACE A B TRACE Accesses trace related functions for trace A
or B.
TRIG — Accesses a menu of trigger functions.
Table 4-4 Control Functions
Control Keys Access Key Description
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