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5-9

Programming and Documentation Conventions

The Command Tree

Example 2:

OUTPUT 707;":TIMEBASE:REFERENCE CENTER ; DELAY 0.00001"

OUTPUT 707;":TIMEBASE:REFERENCE CENTER"

OUTPUT 707;":TIMEBASE:DELAY 0.00001"

OUTPUT 707;":TIMEBASE:REFERENCE CENTER; :TIMEBASE:DELAY

0.00001"

In the first line of example 2, the subsystem selector is implied for the DELAY

command in the compound command. The DELAY command must be in the

same program message as the REFERENCE command, since the program

message terminator places the parser back at the root of the command tree.

Example 3:

OUTPUT 707;":TIMEBASE:REFERENCE CENTER; :CHANNEL1:OFFSET ’0’"

The leading colon before CHANNEL1 tells the parser to go back to the root of

the command tree. The parser can then see the CHANNEL1:OFFSET

command.

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Agilent Technologies 42D Guida Utente Pagina 57