Apple PowerBook (Duo, 2300 Series) - Manual (Page 145)

The Macintosh PowerBook Duo 2300 series keyboard works in much the
same way as the keyboards on other computers and on electric typewriters.
However, there are a few special keys you should know about.
The illustration on the following page explains the function of all the special
keys on the Macintosh PowerBook Duo 2300 series keyboard.
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Appendix B
Using Your Keyboard
Refer to this appendix for
information on using the Macintosh
PowerBook Duo 2300 series keyboard.