Download
Share
Print this page
Commodore 1531 Datassette User Manual
  1. Manuals
  2. Brands
  3. Commodore Manuals
  4. Desktop
  5. 1531 Datassette
  6. User manual

Commodore 1531 Datassette User Manual

Hide thumbs

Advertisement

Quick Links

Download this manual

Advertisement

loading

Related Manuals for Commodore 1531 Datassette

Summary of Contents for Commodore 1531 Datassette

  • Page 2 PARED BY THE FEDERAL COMMUNICATIONS COMMISSION HELPFUL: 'HOW IDENTIFY 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...
  • Page 3 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.

  • Page 4: Your Computer

    TURN OFF THE COMPUTER BEFORE CONNECTING THE DATASSETTE™ TO For COMMODORE computer users The COMMODORE 1531 DATASSETTE™ was designed for use on the TED series computers. The DATASSETTE™ plugs in to a connector at the back of the computer. The plug will only fit on the connector one way.

  • Page 6: Preliminary Checkout

    PRELIMINARY CHECKOUT Before using your DATASSETTE™ to recall or store programs, you should complete the preliminary checks — 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.
  • Page 7 STEP 4 Press the PLAY button on the DATASSETTE™ . Look to see that, as the button is engaged, the READ/WRITE heads move towards the spindles and the capstan comes into contact with the pinch roller (see Fig. 1). The take-up spindle should be moving smoothly in a counter-clockwise direction.
  • Page 11 CLEANING AND DEMAGNETIZING YOUR DATASSETTE™ HEADS You'll need the following tools and materials: Tape head cleaner. Alcohol may be used in emergency, but is not recommended for long term use. NOTE: Do not use trichloroethane or any other plastic or rubber solvent. Cotton swabs.
  • Page 12 Follow these steps to clean and demagnetize your DATASSETTE™ STEP 1 Turn the computer off. STEP 2 Press EJECT to open cover, then press PLAY to expose heads. STEP 3 Put tape head cleaner on one side of a cotton swab. Gently wipe the surfaces of RECORD/PLAY and erase heads (see Fig.
  • Page 14 VERIFY" NAME" will VERIFY that the program which has been SAVEd has been stored correctly. Example: VERIFY'TEST" will search for and VERIFY the program named TEST on the cassette. If the computer responds with READY then the program has been stored correctly.

  • Page 15: Using The Counter

    USING THE COUNTER Your DATASSETTE™ has a 3-digit counter that you can use to find SAVEd programs quickly. When you use the counter properly, you can advance or rewind the tape to the location of the program you want to LOAD. This saves time because the computer doesn't have to search the whole tape.

  • Page 16: File Handling

    FILE HANDLING Experienced programmers may write more sophisticated programs that use large amounts of data. This data may be stored on a file on the cassette. The commands to handle data files are explained below. Files of data can be written to and read from the DATASSETTE™ . These CANNOT be LOADED like a program, but they can be read by a program.
  • Page 17 C and NAME may be left out if the user wishes. If NAME is not used, the file will be OPENed without a name. When a READ instruction is given by the computer, it will read the first file that it finds. If C is left out, then the file will be OPENed for READ.
  • Page 18 Here are some sample program segments which use the above commands: Example program 1 — writing data 10 OPEN1,1,1,"TEST FILE" 20 FORX=1T010 30 PRINTS 1,X 40 NEXT 50 CLOSE1 Line 10 OPENs file 1 for WRITE as TEST FILE. Line 20 Do everything between "FOR"&"NEXT" 10 times. Line 30 PRINTS the variable 1 on to the tape.
  • Page 19 DATASSETTE™ PROBLEMS 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 replace it for you.