Tektronix 11801C User Manual page 431

11801C User Manual
Icon
A marker on the edge of the graticule that performs a specific function
when touched.
Initialize
Setting the 11801C to a completely known, default condition.
Internal Clock
A trigger source that is synchronized with the Calibrator signal.
Keypad Menu
A pop up menu that controls knob resolution and lets you enter specific
numeric values for any control to which a knob is assigned.
Knob
One of the two large rotary controls to the right of the 11801C screen.
Knob Assignment
The value that a knob will adjust at a given time.
Knob Menu
The on screen menu that always displays the current knob assignment.
The knob menu also lets you display the Keypad menu.
Knob Resolution
The amount of change caused by each click of a knob.
Major Menu
The menu that is displayed at the bottom of the screen alongside the
Knob menu. One of the several major menus is always displayed.
Major Menu Button
A labeled button above the knobs that determines which major menu is
displayed.
Measurement
An automated numeric readout that the 11801C provides directly from
the displayed trace in real time, without operator intervention.
Measurement Parameter
One of several controls that the 11801C operator can exercise over the
automated measurement process.
Measurement Statistics
The accumulation of a history of individual measurement readouts,
showing the mean and standard deviation of a selected number of
samples.
Measurement Tracking
The process of automatically adjusting the measurement parameters to
reflect changes in the trace.
Mesial
The middle point of a range of points. As used in the 11801C, the middle
measurement point between proximal and distal points for timing mea
surements, and the intermediate height between baseline and topline for
amplitude measurements.
Glossary
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