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ZVT Command Reference
SCPI Command Reference
Operating Manual 1145.1084.12 – 30 630
Show the limit line segment in the active diagram.
CALCulate<Chn>:LIMit:FAIL?
Returns a 0 or 1 to indicate whether or not the limit check has failed.
Use CALCulate<Chn>:CLIMits:FAIL? to perform a composite (global) limit check.
In remote control, the limit check result is calculated once at the end of each sweep. If the limit lines
are changed, a new sweep is required to obtain updated limit check results. In single sweep mode
(INITiate<Ch>:CONTinuous OFF), the new sweep must be started explicitly using
INITiate<Ch>[:IMMediate]:SCOPe ALL | SINGle. This behavior is different from manual control
where a changed limit line can directly affect the pass/fail result of the displayed trace.
<Chn>
Channel number used to identify the active trace.
Response
0 | 1 - 0 represents pass, 1 represents fail.
*RST value
0
SCPI, Command
Types
Confirmed, query only.
Example:
*RST; :CALC:LIM:CONT 1 GHZ, 2 GHZ
Define an upper limit line segment in the stimulus range between 1 GHz and 2
GHz, using default response values.
CALC:LIM:STAT ON; FAIL?
Switch the limit check on and query the result.
CALCulate<Chn>:LIMit:LOWer[:DATA]
<numeric_value>,<numeric_value>{,<numeric_value>,<numeric_value>}
Defines the response (y-axis) values of the lower limit line and/or creates new limit line segments.
The commands CALCulate<Chn>:LIMit:LOWer[:DATA] and
CALCulate<Chn>:LIMit:UPPer[:DATA] use a fixed numbering scheme for limit line segments: Upper
limit line segments are assigned odd numbers (1, 3, 5,...), lower limit line segments are assigned even
numbers (2, 4, 6,...).
Rules for creating segments
The following rules apply to an active trace with n existing upper and n existing lower limit line segments:
 An odd number of values is rejected; an error message –109,"Missing parameter..." is generated.
 An even number of 2*k values updates or generates k lower limit line segments.
 For n > k the response values of all existing lower limit line segments no. 2, 4, ...,2*k are updated,
the existing upper and lower limit line segments no. 2*k+1, ..., 2*n are deleted. The existing upper
limit line segments no. 1, 3, 2*k–1 are not affected.