Error Messages 5
Keysight 34970A/34972A User’s Guide 235
-148 Character data not allowed
A discrete parameter was received but a character string or a numeric parameter
was expected. Check the list of parameters to verify that you have used a valid
parameter type. Examples: ROUTE:CLOSE CH101 or DISP:TEXT TESTING (the
string must be enclosed in quotes)
-151 Invalid string data
An invalid character string was received. Check to see if you have enclosed the
character string in quotation marks and verify that the string contains valid ASCII
characters. Example: DISP:TEXT ’TESTING (the ending quote is missing)
-158 String data not allowed
A character string was received but is not allowed for this command. Check the
list of parameters to verify that you have used a valid parameter type.
Example: CALC:SCALE:STATE ’ON’
-168 Block data not allowed
Data was sent to the instrument in SCPI definite length block format but this
command does not accept this format.
Example: SOUR:DIG:DATA #128
-178 Expression data not allowed
A channel list was received but is not allowed for this command.
Example: SYST:CTYPE? (@100)
-211
Trigger ignored
More than one trigger was received while the instrument was scanning. Triggers
are occurring too frequently and you may need to slow them down. Also make
sure that you have selected the proper trigger source.
-213 INIT ignored
An INITiate command was received but could not be executed because a scan
was already in progress. Send an ABORt command or bus Device Clear to stop a
scan in progress.
-214 Trigger deadlock
A trigger deadlock occurs when the trigger source is “BUS” and a READ?
command is received.
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