method 1: You could use Tools > Mis > Slider, under there you can specify to change the y or x field, simply enter a range of angle you wish to see you can find out how aberration will change with the field angle/height. but this only permits you looknig at one field change at a time. nfEk ,(:
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method 2: use multo-configuration with operand XFIE or YFIE to specify what fields you want to look at. after setting it up, simply use Ctrl +A to switch to different config.
