7-20 Agilent 4155B/4156B User’s Guide Vol.2, Edition 5
Data Variable and Analysis Function
Read Out Function
Read Out Function
The read out functions are built-in functions for reading various values related to the
maker, cursor, or line. You can use these functions to perform complex analysis of
the measurement results.
You can use read out functions for the following:
• In the expression that is used to define a user function on the CHANNELS:
USER FUNCTION DEFINITION screen.
• As a condition for an automatic analysis function on the DISPLAY: ANALYSIS
SETUP screen.
• For direct keyboard calculations.
The following functions are available:
The following are restrictions for using read out functions:
• GRAPHICS must be selected in the DISPLAY MODE field on the DISPLAY:
DISPLAY SETUP screen when you use the read out function. If not, invalid data
is returned. (@MI is an exception. @MI can be used in GRAPHICS or LIST
mode.)
• If the marker, cursor, or line that are referred to by the read out function 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.
• You cannot assign a data variable that includes a read out function to an axis of
graphics plot.
Function Read Out Function
Marker
@MI, @MX, @MY, @MY1, @MY2
Cursor
@CX, @CY, @CY1, @CY2
Line
@IX, @IY, @IY1, @IY2,
@L1CO, @L1G, @L1G1, @L1G2, @L1X, @L1Y, @L1Y1, @L1Y2,
@L2CO, @L2G, @L2G1, @L2G2, @L2X, @L2Y, @L2Y1, @L2Y2
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