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LMS Test.Lab: Cursor Tips and Tricks

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LMS Test.Lab: Cursor Tips and Tricks


New to LMS Test.Lab?  Here are some cursor tips and tricks to get you started!


Adding a Cursor Readout to a Display


To add a cursor to an existing display, right click in the display while holding down the Control key (Picture 1) and select “Add Single Cursor -> X”. Right clicking without the control key requires clicking on the white background area of the graph, which is not always easy to do if there is a lot of data in the plot.


CursorLegend.pngPicture 1: While holding down CTRL-key, right click in display and choose “Add Single Cursor -> X” to add display to cursor.

A cursor should appear in the display.  Click and drag on the cursor to move it from left to right.


To see both the X and Y cursor values, select a curve by clicking on it, and a flag will be shown at the intersection of the data and the cursor showing the Y value.  Small black squares appear on the data curve to indicate it is selected. Clicking on the curve again (after it was previously selected) will deselect it.


SingleCursor2.pngPicture 2: Click on data to see cursor readout at intersection of data and cursor

Another method to show cursor X and Y values is to add a cursor legend to the display.  Right click in the display (while holding down Control-Key) and choose “Cursor Legend -> Auto” to add a cursor legend to the display (Picture 3).


CursorLegend.pngPicture 3: Right click in display and choose “Cursor Legend -> Auto”.

A cursor legend is added to the display. Values for all curves will be shown in the legend.  The legend can be moved by clicking and dragging on the top line of the legend.


Values can be exported to Excel by right clicking on the legend and choosing “Copy Values”.  The values can then be pasted into Excel.


Cursor Properties


Right click on the cursor and select “Properties” to change (Picture 4):


  • Cursor linestyle and color
  • Number of decimals used in cursor readout
  • Tooltip style
  • Add a label to the cursor

CursorProperties.pngPicture 4: Right click on cursor and select “Properties”

Moving the Cursor


Aside from clicking and dragging the cursor, it can be moved in several different ways.

For example, double click on the cursor and type in the desired position of the cursor.  It will move to this position (Picture 5).


CursorDoubleClick.pngPicture 5: Double click directly on cursor to type in desired cursor position manually.

One can also use the right and left arrow keys on the keyboard to move the cursor.


CursorArrowKeys.pngPicture 6: Right and left arrow keys control last selected cursor

If there is more than one Single X Cursor, the arrow keys move the cursor that was last selected.  The last selected cursor has extra arrow symbols at the top to denote this (Picture 6).


Moving to Maximum


The cursor can be moved to the maximum value of the data.


If there are multiple curves in the display, first select the curve to move to the maximum.  Do this by clicking on the curve once to select it.  Small black squares will appear on the curve to indicate that it is selected.


CursorGlobalMax.pngPicture 7: To move cursor to maximum of data, click on desired curve, then right click on cursor and choose “Move to Global Maximum”

Then right click on the cursor and select “Move to Global Maximum” as shown in Picture 7.  If the menu is insensitive, a curve in the display was probably not selected.


Snap to Data Values


When the cursor is being moved, it will float between data point and read interpolated data values between actual data points (Picture 8).


CursorInterpolate.pngPicture 8: Cursor reads interpolated value between actual data points.

If one desires that the cursor only read actual data values, right click on the cursor and choose “Snap to data points” as shown in Picture 9.


CursorSnap.pngPicture 9: Right click on cursor and choose “Snap to Data Values” to make cursor only display actual data points.

Because two different curves in a display may have different increments, it is necessary to select the curve for the Snap function.  This is done by clicking on the curve once. Small black squares appear on the curve to indicate it is selected.




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Hopefully you found these LMS Test.Lab cursor tips helpful.


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