20050401
5-2-2
Controlling What Appears on a Graph Screen
u V-Window Setting Precautions
• Inputting zero for T
θ
ptch causes an error.
•Any illegal input (out of range value, negative sign without a value, etc.) causes an error.
•When T
θ
max is less than T
θ
min, T
θ
ptch becomes negative.
•You can input expressions (such as 2π) as V-Window parameters.
•When the V-Window setting produces an axis that does not fit on the display, the
scale of the axis is indicated on the edge of the display closest to the origin.
•Changing the V-Window settings clears the graph currently on the display and
replaces it with the new axes only.
•Changing the Xmin or Xmax value causes the Xdot value to be adjusted automatically.
Changing the Xdot value causes the Xmax value to be adjusted automatically.
•A polar coordinate (r =) or parametric graph will appear coarse if the settings you
make in the V-Window cause the T
θ
ptch value to be too large, relative to the
differential between the T
θ
min and T
θ
max settings. If the settings you make cause
the T
θ
ptch value to be too small relative to the differential between the T
θ
min and T
θ
max settings, on the other hand, the graph will take a very long time to draw.
•The following is the input range for V-Window parameters.
–9.999999999E 97 to 9.999999999E 97
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