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TINA/Spice: Tina TI Diagram window and Axis Scaling, X axis upper limit

Other Parts Discussed in Thread: TINA-TI

Tool/software: TINA-TI or Spice Models

I can't seem to get the X-Axis to scale to what I want.  If I run a simulation with a 100uS 3.5Volt peak triangle wave and set the analysis mode to Transient with an end time of 102uS the diagram window plots a 1ms X axis.

If I double click the X-Axis and change the upper limit to 100u it will then change the axis to 100uS but if I try anything between 100 and 109us it doesn nothing and stays at a max upper limit of 1ms.

If I type 110us it then changes the axis to 200uS.

I really don't understand what is going on with this or how to make it do what I want.  Anyone have any ideas?