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INFORMATION TO USER

"WARNING: THIS EQUIPMENT HAS BEEN CERTIFIED TO COMPLY WITH

THE LIMITS FOR A CLASS B COMPUTING DEVICE, PURSUANT TO SUB-

PART J OF PART 15 OF FCC RULES. ONLY PERIPHERALS (COMPUTER

INPUT/OUTPUT DEVICES, TERMINALS, PRINTERS, ETC.) CERTIFIED TO

COMPLY WITH THE CLASS B LIMITS MAY BE ATTACHED TO THIS

COMPUTER. OPERATION WITH NON-CERTIFIED PERIPHERALS IS LIKELY

TO RESULT IN INTERFERENCE TO RADIO AND TV RECEPTION."

"THIS EQUIPMENT GENERATES AND USES RADIO FREQUENCY ENERGY
AND IF NOT INSTALLED PROPERLY, THAT IS, IN STRICT ACCORDANCE

WITH THE MANUFACTURER'S INSTRUCTIONS, MAY CAUSE INTER-

FERENCE TO RADIO AND TELEVISION RECEPTION. IT HAS BEEN TYPE

TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS B
COMPUTING DEVICE IN ACCORDANCE WITH THE SPECIFICATIONS IN

SUBPART J OF PART 15 OF FCC RULES, WHICH ARE DESIGNED TO

PROVIDE REASONABLE PROTECTION AGAINST SUCH 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 TELEVISION RECEPTION, WHICH CAN BE DETERMINED BY

TURNING THE EQUIPMENT OFF AND ON, THE USER IS ENCOURAGED TO
TRY TO CORRECT THE INTERFERENCE BY ONE OR MORE OF THE

FOLLOWING MEASURES:

• REORIENT THE RECEIVING ANTENNA

• RELOCATE THE COMPUTER WITH RESPECT TO

THE RECEIVER

• MOVE THE COMPUTER AWAY FROM THE RECEIVER

• PLUG THE COMPUTER INTO A DIFFERENT OUTLET

SO THAT COMPUTER AND RECEIVER ARE ON DIFFERENT

BRANCH CIRCUITS

"IF NECESSARY, THE USER SHOULD CONSULT THE DEALER OR AN

EXPERIENCED RADIO/TELEVISION TECHNICIAN FOR ADDITIONAL

SUGGESTIONS. THE USER MAY FIND THE FOLLOWING BOOKLET PRE-

PARED BY THE FEDERAL COMMUNICATIONS COMMISSION HELPFUL:
'HOW TO IDENTIFY AND RESOLVE RADIO-TV INTERFERENCE

PROBLEMS.' THIS BOOKLET IS AVAILABLE FROM THE U.S. GOVERN-
MENT PRINTING OFFICE, WASHINGTON, D.C. 20402, STOCK NO. 004-

000-00345-4."

PART NO: 320970

© Commodore Electronics Ltd. 1984

All rights reserved

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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