Commodore 1531 Datassette User Manual Download Page 3

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OPERATING INSTRUCTIONS FOR YOUR

1531 DATASSETTE

A COMMODRE 1531 DATASSETTE* unit is a device for storing and recalling

computer programs on ordinary cassette tapes. It can be used for saving

programs you have written and want to recall for later use. It can also be used

to read pre-recorded programs that you have purchased.

* DATASSETTE is a trademark of Commodore Electronics Ltd.

Summary of Contents for 1531 Datassette

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Page 2: ...INTERFERENCE IN A RESIDENTIAL INSTALLATION HOWEVER THERE IS NO GUAR ANTEE THAT INTERFERENCE WILL NOT OCCUR IN A PARTICULAR INSTALLATION IF THIS EQUIPMENT DOES CAUSE INTERFERENCE TO RADIO OR TELEVISIO...

Page 3: ...ce for storing and recalling computer programs on ordinary cassette tapes It can be used for saving programs you have written and want to recall for later use It can also be used to read pre recorded...

Page 4: ...and the DATASSETTE communicate through the cord as well TURN OFF THE COMPUTER BEFORE CONNECTING THE DATASSETTE TO IT ForCOMMODOREcomputerusers The COMMODORE 1531 DATASSETTE was designed for use on th...

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Page 6: ...hecks which are described below STEP 1 Turn off the computer and plug in the DATASSETTE STEP 2 Ensure that the DATASSETTE motor is off by checking that all of the function keys are up If any are not p...

Page 7: ...button The tape heads should remain in the inactive position and the supply spindle should move rapidly clockwise STEP 7 Press STOP again and then F FWD The tape heads should still remain in the inac...

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Page 11: ...ay be used in emergency but is not recommended for long term use NOTE Do not use trichloroethane or any other plastic or rubber solvent 2 Cotton swabs 3 Tape head demagnetizer Unit must have protectiv...

Page 12: ...TTE heads STEP 5 Slowly move demagnetizer up to RECORD PLAY head and around on head surface Rate of motion should be approximately one inch per second during this time STEP 6 Slowly move demagnetizer...

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Page 14: ...o skip through a tape in order to SAVE a new program at the end of other programs The technique to use is described here When you are ready to store the new program that is in your computer give the c...

Page 15: ...se the counter to find a SAVEd program quickly 1 Make sure your tape is rewound to the beginning 2 Reset the counter to 000 by pressing the black button beside the 3 digit display 3 Note the counter n...

Page 16: ...ecifies whether the program will WRITE to or READ from this file coded as follows if C 0 read from tape C 1 write to tape with an End Of File marker to be written when the file is CLOSED C 2 write to...

Page 17: ...logical file 5 Data will be read from the cassette and assigned to the variable A GET is an alternative to INPUT GET will get one character letter at a time GET can read commas colons etc whereas INPU...

Page 18: ...E 20 INPUT 1 D 30 PRINT D 40 IFST OGOT020 50 CLOSE 1 Line 10 OPENS the file for READ as TEST FILE Line 20 Reads a string from the tape into D Line 30 Prints the value of D on the screen Line 40 Checks...

Page 19: ...MS If you are experiencing problems with your DATASSETTE either mechanically or electronically return it to the dealer from whom it was purchased If the DATASSETTE is faulty and in warranty he will re...

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