Chapter 7 SCPI
The communication-related subsystems
228 WCDMA Options Version 6.20
The communication-related subsystems
These subsystems cover system relevant tasks, which are not primarily involved
in the measurement process.
SYSTem – System parameters, such as the number of unread error messages, the
test set's GBIP address etc. may be read out or set using the commands of this
subsystem.
PROGram – This subsystem deals with all activities related to RAPID! programs.
STATus – The STATus subsystem controls and provides information on the state
of the 4400. There are two types of states: operational states describe what is
currently going on within the test set while questionable states deliver question-
able states of the 4400.
FORMat – The commands of this subsystem enable settings of the data output
format in remote mode.
The SYSTem subsystem System parameters, such as the number of unread error messages, the test set's
GPIB address etc. may be read out or set using the commands of this subsystem.
The STATus subsystem The STATus subsystem delivers detailed information about the internal status of
the 4400, its error conditions and special events. These three areas are dealt with
in three different sections of the status subsystem. These three sections are
addressed, using different commands.
Status
Area
Related commands Main functional aspects
Opera-
tion Sta-
tus
STATus:OPERation... These commands deal with the
operation status of the 4400. They
describe what is currently going on
inside the test set, mainly in
respect of signaling and measur-
ing.
System
Errors
STATus:QUEStionable... This area of the internal status
report system mainly deals with
errors and warnings regarding the
hardware stages of the 4400 (like
'RF input overload' or 'frequency
out of range'.
Execu-
tion
Errors
*ESE, *ESR? Mainly program or SCPI command
execution errors are dealt with in
this area of the internal status
report system.
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