Tandy 1200 HD User Manual page 10

APPENDIX C, ERROR MESSAGES: This appendix explains the
error messages that will be given if the computer finds a problem
during the self-diagnostic test or during the use of the DOS and
associated utility programs.
APPENDIX D, STORAGE MEDIA: This appendix provides a brief
explanation of diskettes and fixed disk drives.
APPENDIX E, GLOBAL CHARACTERS: This appendix gives a
brief explanation of how global characters can be used to save time
and effort.
APPENDIX F, PRODUCT SPECIFICATIONS : This appendix
lists the product specifications for the computer.