Setting the upper x-axis limit Setting the upper x-axis limit
The controls shown above are used to set the upper x-axis limit.
If auto-scale upper x-limit 
is toggled, the maximum x-value of any of the curves in the plot will be used as maximum value. The edit window 
shows the current value, 24000 Hz in this example, which is the maximum in x-direction since 
is toggled. It is possible to type a new value, but remember to validate it by clicking Enter.
The controls 
are used for moving the limit in either left or right direction.