Anritsu S251C - Manual (Page 26)

AMPLITUDE Displays the amplitude or scale menu depending on the measurement mode.
Amplitude
Menu Provides for changing the display scale. Selected values may be changed using
the Up/Down arrow key or keypad.
Choosing AMPLITUDE in FREQ or DTF measurement modes causes the soft
keys, below, to be displayed and the corresponding values to be shown in the
message area.
q TOP — Opens the top parameter for data entry and provides for setting the
top scale value. Press ENTER when data entry is complete.
q BOTTOM — Opens the bottom parameter for data entry and provides for set-
ting the bottom scale value. Press ENTER when data entry is complete.
SWEEP Displays the Sweep function soft key menu for the current operating mode.
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. (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 — Opens up the Trace Overlay functions menu to allow
the current trace to be displayed at the same time as a trace in memory.
Choose ON or OFF and SELECT TRACE to select the trace from memory to
perform trace overlay.
Chapter 2 Functions and Operations
2 - 9