Caretec PLATON XL User Manual

Caretec PLATON XL User Manual

Scientific calculator for visually impaired people
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User Manual
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Platon XL
Scientific Calculator for
Visually Impaired People

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Summary of Contents for Caretec PLATON XL

  • Page 1 User Manual ___________________________________________________________________________________________ Platon XL Scientific Calculator for Visually Impaired People...
  • Page 2: Table Of Contents

    Table of Contents 1: Introduction page 4   1.1: Quick Overview on the Functions of Platon XL page 4   1.2: XL Product Series page 4   2: Description and Scope of Delivery page 5   3: Power Supply page 5  ...
  • Page 3 5.3.14: Common Logarithm page 14   5.3.15: e to the Power of x page 14   5.3.16: 10 to the Power of x page 14   5.4: Conversions page 14   5.4.1: Currency Conversion page 15   5.4.2: Custom Conversion page 15  ...
  • Page 4: 1: Introduction

    1: Introduction Platon XL is a scientific calculator with extra large buttons and a huge display with big digits as well. With the backlit display and the speech output as optional functions, Platon XL is particularly suitable for visually impaired and blind people.
  • Page 5: 2: Description And Scope Of Delivery

    2: Description and Scope of Delivery Included in the delivery are the scientific calculator Platon XL, a set of batteries (4 x 1.5 V AA) and a printed user manual. A power supply unit and earphones can be ordered optionally.
  • Page 6: 4: Keyboard Layout

    4: Keyboard Layout The keyboard is subdivided into 3 groups: To the left there are 4 round keys, which we call now “auxiliary keys”. In the middle, next to the auxiliary keys, there is the 3 x 3 group. To the right, the 4 x 4 group is located. The 4 x 4 group consists of 4 rows with 4 squared keys, the 3 x 3 group consists of 3 rows with 3 squared keys.
  • Page 7: Groups Of Keys And Auxiliary Keys

    4.1: Groups of Keys and Auxiliary Keys The keyboard layout will be described with the keys listed in groups. In each group the functional description will move top down from left to right, where the keys straight under the display are in the row number 1. In the 3 and 4 matrices groups you can start a function by: ...
  • Page 8: 3: 4 X 4 Group (From Left To Right)

    row 2, short = square root long = roots right key level 2 = announce date row 3, short = left parenthesis left key row 3, short = right parenthesis middle key row 3, short = change sign long = reciprocal value right key level 2 = 10 to the power of 4.1.3: 4 x 4 Group (from left to right)
  • Page 9: Basic Functions

    row 3, digit 3 column 3 level 2 = Pi level 3 = factorial row 3, minus right key level 2 = convert to hours, minutes, level 3 = convert to decimal seconds hours row 4, digit 0 left key level 2 = choice of angular level 3 = convert angular dimension...
  • Page 10: 6: Time And Date

    (3 x 3 group, row 2, middle key) together with the right key of row 2. To decrease the volume press both, the menu key and the left key of row 2. Platon XL will announce the volume.
  • Page 11: Standard Arithmetic Functions

    1, right key) to delete the last value. This is the way you can delete a whole operation step by step backwards. 5.2: Advanced Arithmetic Functions Platon XL also offers the possibility to calculate percentages, extract square roots or square a given number. 5.2.1: Percentages...
  • Page 12: 3: Roots

    (3 x 3 group, row 2, right key). Now enter digit number 3 for the root of third order, followed by the equals-key. Platon XL will give the result “22”. To calculate the second root out of 8, press digit key number 8, than press the square root key shortly followed by the equals-key.
  • Page 13: 1: Sinus

    Abbreviations for scientific functions are printed next to the keys on the case of Platon XL. Functions which are operated in layer 3 are printed in italic. For blind and visually impaired people all functions with the keyboard layout are listed below: 5.3.1: Sinus...
  • Page 14: 10: Area Hyperbolic Sine

    5.3.10: Area Hyperbolic Sine level 3, row 2, left key in 4 x 4 group and numerical key 4 in level 3 respectively 5.3.11: Area Hyperbolic Cosine level 3, row 2, column 2 in 4 x 4 group and numerical key 5 in level 3 respectively 5.3.12: Area Hyperbolic Tangent level 3, row 2, column 3 in 4 x 4 group and numerical key 6 in level 3 respectively...
  • Page 15: 1: Currency Conversion

    To choose for example “temperature”, shortly press the menu-key (middle key in row 2 in 3 x 3 group) and Platon XL will once again announce the conversion rate. You can now type in the number you like to convert, e.g. 30. To convert this number into degree Fahrenheit, press both the point-key and the equals-key (4 x 4 group, row 4, columns 2 and 3) and Platon XL will announce “degrees Celsius equals 86...
  • Page 16: 2: Net Present Value

    After selecting the formula, Platon XL asks you to type in the end capital you wish to reach. Do so and confirm by shortly pressing the menu key (3 x 3 group, row 2, middle key).
  • Page 17: Memory Function

    5.6.3: Add Up Additional Values With Platon XL you can add new values to stored values. To do so, use the memory key in level 2 and select a memory cell from number keys 1 to 9. The new value will be added to the stored value.
  • Page 18: Usage Of The Statistic Functions

    row 1, short = change level long = level 3 left key row 1, short = exit statistic mode long = 1 step back right key row 2, short = arithmetic mean value long = geometric mean value left key row 2, level 2 = exit statistic mode middle key...
  • Page 19: Help In Statistic Mode

    5. In order to check whether all values have been entered, you have the possibility to ask Platon XL to tell you the number of entered values: Press and hold the right parenthesis key (3 x 3 group, row 3, middle key) – output “number of values”...
  • Page 20: 7: Menu

    7: Menu In the menu you can setup different function settings and start the commercial calculator and the conversions. Enter the menu by pressing the menu key long. The menu key is placed in the middle of the 3 x 3 group and marked with 3 tactile points.
  • Page 21: Submenu "Settings

    7.2.3: Decimal Places Platon XL offers the possibility to set the decimal places. That means the user can decide, how many units should be announced after the comma. The default setting is always the highest possible (= 9 units after the comma). To change this value, select the menu function “decimal places2 and set the preferred number by shortly...
  • Page 22: 5: Angular Dimensions

    In the submenu clock you can setup the actual time, the date and an alarm.  Alarm Clock: Platon XL offers one alarm and up to 10 different jingles. To set the alarm, select the menu function as described above. Realize the...
  • Page 23: 8: Safety Instructions

    (e.g. CDs, memory cards etc.) and batteries. Under this guarantee, CareTec shall repair a unit that is found to be defective, free of charge, or, at its option, replace it by a reconditioned one. In no event shall...
  • Page 24: 12: Disposal

    CareTec be liable for indirect, special or consequential damages. The exposure of the device to liquids, strong electromagnetic fields, moisture, and heat, as well as a dropping of the device, or an opening of the case itself, causes a loss of guarantee.

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