Congratulations ... We congratulate you on your purchase of a Commodore PET com- puter and welcome you to the growing legion of PET users. USING YOUR CASSETTE TO SAVE A PROGRAM 31 USING YOUR CASSETTE TO LOAD A PROGRAM 33 The number of applications for the PET is as great as your imagina- tion and the number of programs available. We shall attempt, in this modest booklet, to introduce you to the art of doing your own programming and to the PET method of using prepared programs. I . Error messages 36 2. Basic commands 40 String functions 43 Arithmetic functions 44 Special symbols, commands and statements 45 I/O Commands 46 3. Special keys 46 4. Cleaning Your PET 47 5.
Cleaning and demagnetizing your tape deck head 48 Figure 6. Cassette deck head area 49 6. References 49 APPENDIX We do recommend you to the brief bibliography in this booklet's appendix. Enjoy learning about your PET and the world of com- puters as much as this booklet's authors did. By the time you're through with this booklet you should be on your way to enjoying and using your PET to its fullest. Unpacking your PET and turning it on Please check the carton for any special unpacking instructions. And examine carefully , your P17 for any concealed damage. If there is any, report this IMMEDIA TELY to both ('commodore (or your dealer) and to the shipping agent.
Remove your PET from its protective shipping carton, and place it on the counter, desk or other suitable surface, then plug it into any standard, grounded electrical outlet. Push the rocker switch, in the lower left rear where the line cord enters the unit, to the power-on position. Momentarily you may be able to see that the PET television display contains a collection of random letters and symbols. This is normal. On "Power up," PET's electrical circuits have to wake up slowly before they can function and clear the screen. Almost as fast as you can blink an eye, the screen will clear and one of the two messages below will be printed out in white letters on the black screen.
The second line of the message will vary depending on www.commodore.ca Free for personal use but you must have written permission to reproduce