HP E1429A Manuel d'utilisateur Page 181

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Discrete
Selects from a finite number of values. These parameters use
mnemonics to represent each valid setting. An example is the
TRIGger[:STARt]:SOURce <source> command where source can
be BUS, ECLTrg0, ECLTrg1,EXTernal1, EXTernal2, ...
String
STRING PROGRAM DATA parameters are enclosed with single
quotation marks (’) or double quotation marks ("). Examples of
string program data parameters are those associated with the
OUTPut...FEED commands:
OUTPut:ECLTrg<n >:FEED <source >
OUTPut:EXTernal[1]:FEED <source >
OUTPut:TTLTrg<n >:FEED <source >
Some of the <source > parameters include:
"EXTernal[1]"
"SENSe[1|2]:ROSCillator"
"SENSe:SWEep:OFFSet:POINts"
As an example, the syntax for sending this type of command in an
HP BASIC program is:
OUTPUT 70905;"OUTP:ECLT0:FEED ’EXT’"
or
OUTPUT 70905;"OUTP:ECLT0:FEED ""EXT"""
In a C language program, the syntax is:
"OUTP:ECLT0:FEED ’EXT’"
or
"OUTP:ECLT0:FEED \"EXT\""
Arbitrary Block Program Data
This parameter type is used to transfer a block of data in the form of
bytes. The block of data bytes is preceded by a header which
indicates the number of data bytes which follow. The syntax of the
block header is as follows:
Chapter 4 Command Reference 181
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