Measurement-computing Analyzer488 Uživatelský manuál stáhnout pdf (Strana 207)

Section 5 Analyst488 Software

5.19

5.10.5 Block Find

This command allows you to search a marked block for a particular

event. This command may be used with either the Analyzer Window or the

File Window. A dialog box similar to the one shown below will appear and

prompt for a event to find. Use the cursor keys or mouse to move between

the various fields.

The Match Pattern dialog box allows you to specify the state of all

data lines and bus management lines. The state of the data lines may be

specified as an IEEE 488 bus command, a hexadecimal byte, an ASCII

character, or a binary byte. Depending on the format used, a message will

appear in the Options box specifying which entries are valid.

If Message (

MSG

) format is selected, the state of the data lines may be

specified as an IEEE 488 bus command (refer to the ASCII table in

Appendix H which lists IEEE 488 bus commands and their ASCII

equivalent). If not specified, 'don't care' is the default.

If Hexadecimal (

HEX

) format is selected, the state of the data lines

may be specified as a hexadecimal number between 00 and FF. If not

specified, 'don't care' is the default.

If Character (

) format is selected, the state of the data lines may be

specified as any printable ASCII character (refer to the ASCII table in

Appendix H which lists IEEE 488 bus commands and their ASCII

equivalent). If not specified, 'don't care' is the default.

If Binary format is selected, the state of the data lines may be

specified as a binary number including 'don't cares'. If a line is specified as

a don't care, it is not used in the comparison.

The state of any bus management line may be specified as asserted

(

), unasserted (

), or 'don't care' (

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Measurement-computing Analyzer488 Uživatelský manuál Strana 207