Digital Power Meter 66203/66204 User’s Manual
5-4
5.5.2 Program Headers
Program headers are key words that identify the command. They follow the syntax described
in subsection 5.8
of IEEE 488.2. The Power meter accepts characters in both upper and
lower case without distinguishing the difference. Program headers consist of two distinctive
types, common command headers and instrument-controlled headers.
Common Command and Query Headers:
The syntax of common command and query headers is described in IEEE 488.2. It is used
together with the IEEE 488.2-defined common commands and queries. The commands with
a leading “ * ” are common commands.
Instrument-Controlled Headers:
Instrument-controlled headers are used for all other instrument commands. Each of them has
a long form and a short form. The Power meter only accepts the exact short and long forms.
A special notation will be taken to differentiate the short form header from the long one of the
same header in this subsection. The short forms of the headers are shown in characters of
upper case, whereas the rest of the headers are shown in those of lower case.
Long-Form : The word is spelled out completely to identify its function. For instance,
CURRENT, VOLTAGE and MEASURE are long-form.
Short-Form : The word contains only the first three or four letters of the long-form. For
instance, CURR, VOLT and MEAS are short-form.
In the section 5.7.2
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