Apple IIe Card - Manual (Page 157)

My Apple IIe program runs too fast
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Change the Speed setting to Normal in the General Controls panel.
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If the program uses color graphics, make sure the Display option is
set to Color in the General Controls panel.
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Change the Key Repeat Rate in the General Controls panel to a slower
setting.
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Change the Type Ahead setting to Off in the General Controls panel.
The text on my screen is unreadable
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If the text is readable when you run the program on an Apple IIe, but
not on a Macintosh LC, adjust the Macintosh monitor’s brightness,
contrast, and color (if you are using a color monitor).
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If the text is unreadable because of a color “fringe” around text
characters, change the Display setting in the General Controls panel
to Monochrome.
My program won’t run in color
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Make sure you are using a color monitor.
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Make sure the Display option is set to Color in the General
Controls panel.
The mouse is difficult to control
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Adjust the sensitivity of the mouse in the Mouse Card panel.
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If the program offers other options for controlling the program,
such as using the keyboard or a joystick, try them.
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If you have a joystick connected, try disconnecting it.
Appendix A: Troubleshooting 141