5
Marker Units
Markers are associated with a particular source using the :MARK:X1Y1source or :MARK:X2Y2source commands. Querying
the units of the marker’s source can identify its units.
83480A :MARKer:X1Y1source CHANnelN;YUNits?
86100A :WAVeform:SOURce CHANnelN;YUNits?
:MTESt - Mask Test
The majority of changes for the Mask subsystem are involved with the actual mask file format. Masks created for the 83480A
are not compatible with the 86100A. Also, the :MASK:DEFine and :MASK:POLYgon subsystems are not currently supported.
FILL Display Mask Alignment
The generic :AUToscale and FILL display mode of aligning masks was too slow. The 86100A combines this functionality in
the new generic :AUToscale mode.
83480A :MTESt:AMODe FILL
86100A :AUT;:MTESt:ALIGn
Counting Failures Within Polygons
The new syntax for counting failures in the 86100A is the new REGION parameter. Using the POLYGONS parameter is
maintained for compatibility only.
83480A :MTESt:COUNt:FAILures? POLYgon<n>
86100A :MTESt:COUNt:FAILures? REGion<n>
Counting With Margins
The 86100A definition of the parameters to the :MTESt:COUNt:HITS? Command is slightly different from the 83480A.
83480A and 86100A :MTESt:COUNt:HITS? {MARGin | MASK | TOTal}
The 83480A and 86100A return the same information for a POSITIVE (+) margin. The MARGin parameter returns the
number of samples in the space BETWEEN the outer margin and the standard mask. The MASK parameter returns the
number of samples within the standard mask region. The TOTal parameter returns the sum of TOTal=MARGin+MASK,
that is, all hits within the margin space and standard mask region.
For NEGATIVE (-) margins, the answers are different. For the MARGin parameter, the 83480A returns the number of samples
in the space BETWEEN the inner (-) margin and the outer standard mask, and the TOTal=MASK. The 86100A returns the
number of samples only WITHIN the inner (-) margin space, and the TOTal=MARGin+MASK.
To summarize, for the MARGin parameter, the 83480A always returns the samples counted within the space between the
standard mask and the perimeter of the margin for POSITIVE (+) or NEGATIVE (-) margins. The 86100A returns samples
between the margin perimeter and the standard mask for POSITIVE (+) margins, and samples contained only within the
margin perimeter for NEGATIVE (-) margins.
Starting the Mask Test
The new syntax for initiating the mask test in the 86100A is the new STARt mnemonic. Using the TEST mnemonic is
maintained for compatibility only.
83480A :MTESt:TEST {{ON | 1} | {OFF | 0}}
86100A :MTESt:STARt
:MTESt:EXIT
Loading Masks
The 83480A maintained three methods of loading predefined masks. The 86100A consolidated all mask loading within
internally stored mask files. The :DISK:LOAD syntax is maintained in the 86100A for compatibility, but the preferred
syntax is the new :MTESt:LOAD command.
83480A :MTESt:RECall <n> To recall a mask from internal storage
:MTESt:STANdard <standard> To recall one of several pre-defined standard masks
:DISK:LOAD “<filename>”,[MASK] To recall a mask from floppy storage
86100A :MTESt:LOAD “filename”
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