User`s guide

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Chapter 5 Error Messages
Instrument Errors
225 Settings conflict: DMM disabled or missing
This command is valid only when the internal DMM is installed and
enabled. Use the INSTrument:DMM? command to determine the state of
the internal DMM. For more information, see “Internal DMM Disable” on
page 167.
226 Settings conflict: DMM enabled
When the internal DMM is enabled, the ROUTe:CHAN:ADVance:SOURce
and ROUTe:CHAN:FWIRe commands are not allowed. Use the
INSTrument:DMM? command to determine the state of the internal
DMM. For more information, see “Internal DMM Disable” on page 167.
251 Unsupported temperature transducer type
An invalid RTD or thermistor type has been specified. The following
RTDs are supported:  = 0.00385 (“85”) and  = 0.00391 (“91”). The
following thermistors are supported: 2.2 k (“2252”), 5 k (“5000”), and
10 k (“10000”). Example: CONF:TEMP RTD,1,(@101)
261 Not able to execute while scan initiated
While a scan is running, you cannot change any parameters that affect
the scan (channel configuration, scan interval, scaling values, alarm
limits, issue a Card Reset, or recall a stored state). To stop a scan in
progress, send the ABORt command or a bus Device Clear.
271 Not able to accept unit names longer than 3 characters
For Mx+B scaling, you can specify a custom label with up to three
characters. You can use letters (A-Z), numbers (0-9), an underscore ( _ ),
or the “#” character which displays a degree symbol ( ° ) on the front
panel.
272 Not able to accept character in unit name
For Mx+B scaling, you can specify a custom label with up to three
characters. The first character must be a letter or the “#” character (the
“#” character is allowed only as the leftmost character in the label). The
remaining two characters can be letters, numbers, or an underscore.
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