The guipref2.gif image shows the windows dialog box titled Environment which contains three panes and two buttons. The three panes are labelled:
The Set Options pane contains a scrollable text selection box containing a list of options to choose from. The arraysize option is selected.
The Value area contains two groups of two radio buttons and a numeric input field. The radio buttons in the first group are labelled:
Custom is selected. A text callout from the custom label contains the following: "Click Custom to set your own value". The radio buttons in the second group are labelled:
Both are greyed out and unavailable.
The numeric input field contains the value 20. A text callout from the numeric input field contains the following: "Enter a custom numeric value in the text box".
The Screen Buffer pane contains two numeric input fields labelled:
Buffer Width: with a value of 100
Buffer Length: with value of 1000
The two buttons are labelled: