a. Default sets the scale to the measurement range.
b. Manual allows you to configures the scale either as High and Low values or as a Span around a Center
value. For example, a scale that goes from a Low of -500 Ω to a High of 1000 Ω could also be specified
as a Center of 250 Ω with a Span of 1500 Ω.
c. Limits set the scale to the alarm limits. Note that this softkey is only available when you configure alarm
on the selected channel by pressing the [Alarm] key on the front panel.
Trend Chart
In the Continuous measurement mode, the trend chart shows data trends over time. Data is collected and
displayed in pixel columns as described below:
The Statistics softkey behave as in Number display.
The Recent/All softkey specifies whether all measurements (All) or only the most recent measurements
(Recent) are shown on the trend chart. Neither selection clears reading memory. In All mode, the trend
chart displays all readings being taken and builds from left to right. After the display is filled, the data
becomes compressed on the left side of the display as new data is added on the right side of the display. In
Recent mode, the trend chart displays data taken during a specified amount of time.
The Vertical Scale softkey specifies how the current vertical scale is determined.
3 Features and Functions
72 Keysight DAQ970A User's Guide
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