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Operating Information
2–18
AM700 Audio Measurement Set Service Manual
The choices in the Axes column allow the linear/log selection for the x- and
y-axes and a choice of Dual Y Axis. Dual Y-Axis displays are permitted when
more than one trace is displayed in a single view. In Dual Y-Axis displays, the
vertical or y-axis scale of the front trace is seen on the left side of the graticule
and y-axis scale for the back trace is seen on the right side of the graticule. Other
axes choices are determined by the view type.
When persistent is enabled, trace data is accumulated and held in the display in a
continuous storage mode. This feature is very useful for gathering history of
waveform changes and showing the bounds of varying signals in either
frequency, voltage, or both. Turning persistent off restores the trace to showing
data for a single acquisition only.
Cursor controls for enabling the cursors and holding the cursors to the displayed
data are found in the Cursors column. Enabling or disabling cursors is the same
as turning them on or off using the Cursor button on the front panel. Selecting
Snap to Data is used to hold the cursors on actual data points in the trace display.
NOTE. When cursors are viewed on a Dual Y-Axis display, they are associated
only with the front trace. The amplitude readouts accompanying the cursors
reflect the amplitude at the cursor positions in the front trace.
Saving Changes and Exiting the Input Selections Menu. Soft keys to exit the input
selection menu are located at the bottom of the screen. When Accept Changes is
touched, any selections made are entered. If Cancel is touched, all changes are
deleted before returning to the current application. Pressing Clear Menu also
exits back to the application.