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Texas Instruments PHP2700 Manual

Program recorder
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  • Page 2 TEXAS INSTRUMENTS HOME COMPUTER TEXAS INSTRUMENTS PROGRAM RECORDER Model No. PHP2700 An economical data storage and retrie.al system for your Home Computer. • Operates with AC or battery power. • May also be used as audio casset1e recorder. IMPORT"NT Record the serial number from the back of the unit and purchase date in the space below.

  • Page 3: Table Of Contents

    TEXAS INSTRUMENTS HOME COMPUTER TABLE OF CONTENTS Intr oduction ...........

  • Page 4: Introduction

    (programs, numerical data, etc.). There Is not a more economical way to do this than with the TI Program Recorder (Model PHP2700). By recording programs and data on a tape, you save them as a permanent record, and later you can load the data from the cassette tape Into the computer's memory if you wish to use that Information again.

  • Page 5: Set-Up Instructions

    TEXAS INSTRUMENTS HOME COMPUTER SET·UP INSTRUCTIONS Power to run the program recorder Is not supplied by the TI Home Computer. Connect t�e AC power cord to the recorder, or Install four "C" batteries by following the simple steps listed below.

  • Page 6: Control Buttons

    2. Insert four "C"·slze carbon zinc or alkaline batteries (not Included) Into the battery compartment. Be sure that the positive (+) or cap ends of each battery are Installed as shown inside the battery compartment. 3. Replace the battery door. If the tape reels turn very slowly not at all, or if the computer NOTE:...

  • Page 7: Tape Erase

    TEXAS INSTRUMENTS HOME COMPUTER •• Tape Era Each time a recording Is made, any previously recorded material on the tape is automatically erased. If you have a recording you wish to keep permanently, break out the rear left tab of the side you want to save.
  • Page 8 Clean the tape heads and capstan by following the simple steps below. Unplug the recorder from AC power before cleaning. CAUTION: 2. Press EJ ECT to open the casselle compartment door. 3. Press the PLAY bUllon so tha play/record and erase heads p roject outward In the compartment.

  • Page 9: Ca Ssette Interface Cable

    TEXAS INSTRUMENTS HOME COMPUTER Ca •• etta Interfac. Cabl. The TI Program Recorder Is connected to the Home Computer by the Cassette Interface Cable. This cable has a 9-pln connector on one " " end (for connection to the computer) and a triple-plug (for connection to the recorder) on the other.
  • Page 10 2. Attach the trlple·plug end to the program recorder using the color· coded plugs and jacks as follows: .Insert the plug with the red wire into the microphone jack . • Insert the plug with the black wire (the smaller plug) into the remote Jack .

  • Page 11: Cassette Tapes

    TEXAS INSTRUMENTS HOME COMPUTER ..tt. T .pe. Blank cassettes are used for recordl ng your own programs and data or for storing data obtained with one of the Solid State Cartridges which utilize a data storage/retrieval system. Tl's preprogrammed Cassette Software packages can also provide you with ready·made programs for...

  • Page 12: To Save Or Load Data

    If, after attempting to load data, your computer returns the error message ERROR - NO DATA FOUND PRESS R TO READ PRESS E TO EXIT increase the volume by turning the volume control approximately 1116 of a turn. Then press R to read the data again. Keep repeating this procedure until the data is read correctly.

  • Page 13: To Locate A Program On A Cassette Tape

    TEXAS INSTRUMENTS HOME COMPUTER • •••• tt. Tap. Program on To Locate. You may often have more than one program on a single side of a cassette tape. In order to save or load programs accurately, you must know the exact location of each program on the tape. If you record over a part of or all of another program, that program will be erased, leaving only the newly recorded data.

  • Page 14: To Save Data In Ti Basic

    To Save Data In TI BASIC The SAVE command allows you to copy the current TI BASIC program in the computer's memory onto the cassette tape. By using the OLD command, you can later read the program back into the computer's memory for running or editing.

  • Page 15: The Save Procedure

    TEXAS INSTRUMENTS HOME COMPUTER The SAVE Pr oc edure Below are the directions which the computer prints on the screen to help you through the procedure. Follow each direction as it appears. In the first set of instructions, ". REWIND CASSETTE TAPE CS1"...
  • Page 16 Rewind the tape (before pressing ENTER) to the point where you began yo� stored your data at the beginning of the recording your data. tape, simply rewind the tape to the beginning. II, however, you began at a point other than the beginning of the tape, rewind the tape to that position, and press the "stop"...
  • Page 17 TEXAS INSTRUMENTS HOME COMPUTER Before you go further, you may want to recheck these items: .Is the recorder at a proper distance from your televiSion monitor (two feet or more)? .Is the recorder properly attached to the computer? .Is the cassette tape in good condition? (If in doubt, try another tape.) .Are the cassette recorder volume and tone adjusted correctly? Was...

  • Page 18: To Load Data In Ti Basic

    In TI To Loed Dete BASIC The OLD command loads a previously saved program Into the computer's memor y. You can then RUN, LIST, or change the program. First, connect your cassette recorder to your computer. Then Insert into the recorder the cassette on which you saved the information. To load the program, type OLD CSI and press ENTER.
  • Page 19 TEXAS INSTRUMENTS HOME COMPUTER It takes some time to read in the data, depending on the amount of information stored. When the computer finishes loading the data, It tells you whether or not It read Ihe data properly. If the data were read...

  • Page 20: File Processing

    FILE PROCESSING With the TI Program Recorder, you have the capability of storing not only programs, but also data flies, which contain Information to be used with your programs. Below Is a sample program, Information for a data file, and Instructions for their use. Use this Information as an example, and you can later create your own data flies to be used at any time you need them and often as you wish.
  • Page 21 TEXAS INSTRUMENTS HOME COMPUTER 2. Run the program, and select from the choices on the screen either (1) for creating a data file, or (2) for loading a data file. 3. To create a data file, select (1) and you are prompted to Input the...

  • Page 22: In Case Of Difficulty

    IN CASE OF DIFFICULTY If the Program Recorder does not appear to be working properly, check the lonowlng: sure all devices are plugged In and connected properly. power-Be Cable-Check that the proper cable Is being Cassette Interface use d. Check the cable lor loose or broken leads. Check to see that the cable is properly connected.
  • Page 23 Instruments from many sources containing both new and old Ideas, Texas Instruments will consider such suggestions only if they are freely given to Texas Instruments. It is the policy of Texas Instruments to refuse to receive any suggestions I n confidence. Therefore, if you wish...
  • Page 24 (at Tl's option) when the unit Is returned by prepaid shipment to a Texas Instruments Service Facility listed balow. The repaired or replacement unit will warranted for three months from date of repair or replacement.

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