Apple IIe Card - Manual (Page 127)

3. Position the pointer over the small triangle to the right of the
Startup setting, and then press the mouse button.
A pop-up menu of settings appears with the current setting
highlighted.
4. Drag through the menu until the slot you want is highlighted,
then release the mouse button.
The setting you choose appears in the box.
5. Click the Restart IIe button to restart the Apple IIe Card.
The Apple IIe Card restarts, with the new slot settings in effect.
If you don’t want the new settings to take effect yet, click the
Continue button.
▲
Warning: Be sure to save your work on a floppy disk before clicking
the Restart IIe button. Any work that has not been saved on a disk
will be lost.
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Chapter 5: Reference 111