Agilent Technologies B1500A User's Guide download pdf (Page 465)

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Agilent B1500 User’s Guide, Edition 7 8- 15

Built-in Programming Tool

Read Out Functions

The read out functions are built-in functions for reading various values related to the

marker, cursor, or line. You can use these functions to perform complex analysis of

the measurement results. They are available only for the Analysis Functions.

To read the value of the read out function, use a numeric variab

le. The following

example reads the X intercept of the line 1 and enters it to the variable A.

Example

A=@L1X

NOTE In this section, n of the function name is an integer (1 to 8), and m is 1 or 2.

You cannot assign a data variable that includes a read out function to an axis of a

graphics plot.

If the marker, cursor, or line that are referred to by the read out f

unction are not

displayed, the read out function uses the position at which it was most recently

displayed. If the marker, cursor, and line have not been displayed, the read out

function returns invalid data.

Functions for Marker

@MI Returns the index number of measurement data at the marker location.

If interpolation mode is enabled and the marker is lo

cated between the measurement

data, this function returns a non-integer value.

@MX Returns the value of the X coordinate at the marker location.

@MY Returns the value of the Y coordinate at the marker location.

If there are two Y axes, this function retu

rns the value for the s

elected axis.

@MYn Returns the value of the Yn coordinate

at the marker location (n: 1 to 8, integer).

Functions for Cursor

@CX Returns the value of the X coordinate at the active cursor position.

@CY Returns the value of the Y coordinate at the active cursor position. If there are two Y

axes, this

function returns the value for the selected axis.

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