Anritsu S251B User Manual
Page 34
Sweep Menu
Provides for changing the display resolution, single or continuous sweep, and
access to the Trace Math functions.
Choosing
SWEEP
in
FREQ
or
DTF
measurement modes causes the soft keys
below to be displayed.
q
RESOLUTION
— Opens the display to change the resolution. Choose 130,
259, or 517 data points. (Not active in DTF mode. In DTF mode, resolution
can be adjusted through the DTF-AID table.)
q
SINGLE SWEEP
— Toggles the sweep between single sweep and continu-
ous sweep. In single sweep mode, each sweep must be activated by the
RUN/HOLD
button.
q
TRACE MATH
— Opens up the Trace Math functions (trace-memory or
trace+memory) for comparison of the real time trace in the display with any
of the traces from memory. (Not available in DTF mode.)
q
TRACE OVERLAY
— Selects the Trace Overlay function and opens the
trace overlay sub-menu.
NOTE:
The trace overlay function is valid only for traces in memory that have the same
measurement mode, number of data points, and frequency or distance range
as the currently displayed trace.
Trace Overlay
Sub-Menu
The trace overlay sub-menu is used to turn the trace overlay function on or off
and for selecting the overlay trace from memory.
q
ON/OFF
— Toggles the trace overlay function on and off. If trace overlay is
currently off, selecting on will bring up the trace memory selection table and
sub-menu.
q
SELECT TRACE
— Opens the trace memory selection table and the Select
Trace sub-menu. Press
ENTER
to select a trace from the table. The Select
Trace sub-menu choices are:
q
TOP OF LIST
— Move the selection cursor to the top (first) memory lo-
cation.
q
PAGE UP
— Move the selection cursor to the top of the previous trace
memory location page. Each page contains 15 trace memory locations.
q
PAGE DOWN
— Move the selection cursor to the top of the next trace
memory location page.
q
BOTTOM OF LIST
— Move the selection cursor to the bottom (last)
memory location.
q
DELETE TRACE
— Delete the selected trace from memory. This option
is not available when using Trace Overlay.
q
DELETE ALL TRACES
— Delete all traces from memory. This option is
not available when using Trace Overlay.
q
BACK
— Return to the Sweep menu.
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Chapter 3 Functions and Operations