Combining message units
The following command message is briefly described here, with details in
subsequent paragraphs.
Figure 2-2
The basic parts of the above message are as follows:
Message component
Headers
Header separator
Data
Data separator
Message units
Keysight Models 6811C, 6812C, and 6813C Programming Guide
Data
Headers
VOLT:LEV
80
Header Separator
Message Unit Separators
Command message structure
Example
VOLT
The colon in VOLT:LEV
8088
The space in VOLT 80 and PROT 88
VOLT:LEV 80
Message Unit
Query Indicator
;
; :
PROT 88
Root Specifier
LEV
PROT
CURR
PROT 88
CURR?
Introduction to Programming
<NL>
CURR?
Message Terminator
2
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