Language Reference

MKA

Query Response

See Also

When relative-marker mode is activated with the MKAL or MKAR command, the MKA command speci￿es the amplitude di￿erence from the reference marker.

When the vertical scale is in logarithmic mode, the amplitude units are in dBm; in linear mode, the amplitude units are in ratio, as indicated with the X in the syntax diagram.

The MKA query gives the amplitude of the active marker. As a prede￿ned variable (such as in a math operation), MKA represents the active-marker amplitude.

MKTRACE, MKOFF, MKREAD and commands that a￿ect amplitude, such as

AMPCOR, MEASURE, RL, ROFFSET, INZ

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