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Digital Mentors Help: Greater Safety When Using Cell Phones and Tablets

People sitting in the chair. Vector person.
Syuzanna Guseynova, © Syuzanna Guseynova
Education

Category: Education

Digital Mentors Help: Greater Safety When Using Cell Phones and Tablets

Do you have questions about your smartphone or tablet? Are you having trouble with an app, or are you just curious about what your device can do? The digital mentors provide personalized, patient, and easy-to-understand support for questions about digital devices and apps. Feel free to bring your own device.

Date: December 2, 2026

Time:10:00 - 12:00 o'clock

City Library, Couvenstraße 15, 52062 Aachen

Organizer

Aachen City Library

nina.knauff@mail.aachen.de

City library

  • Participation
  • City library

Help with accessibility

  • General

    We make every effort to ensure that our websites are accessible. You can find details on this in our accessibility statement. You can send us suggestions for improvement using our"Report a barrier" feedback form.

  • Font size

    To adjust the font size, please use the following key combinations:

    Larger

    ⌘command
    +

    Smaller

    ⌘command
    –

    Larger

    Ctrl
    +

    Smaller

    Ctrl
    –
  • Keyboard navigation

    Use TAB and SHIFT + TAB to navigate through next/previous links, form elements and buttons.

    Use ENTER to open links and interact with elements.

  • Contrast mode

    Press the following key combination to reduce or increase the contrast:

    Enlarge

    ⌃control
    ⌥option
    ⌘command
    .

    Decrease

    ⌃control
    ⌥option
    ⌘command
    ,
    Note: The shortcuts must be activated in the system settings of the operating system.

    Press left ALT + left SHIFT + PRINT to quickly switch the high contrast mode on or off.

  • Invert colors

    Press the following key combination to switch the color inversion on and off:

    ⌃control
    ⌥option
    ⌘command
    8
    Note: The shortcuts must be activated in the system settings of the operating system.

    First activate the screen magnifier and then switch the color inversion on and off with the following key combinations:

    1. screen magnifier

    +

    2. invert colors

    Ctrl
    Old
    I
  • Screen magnifier

    Press the following key combinations to use the screen magnifier:

    Switch on/off

    ⌥option
    ⌘command
    8

    Enlarge view

    ⌥option
    ⌘command
    =

    Reduce view

    ⌥option
    ⌘command
    –
    Note: The shortcuts must be activated in the system settings of the operating system.

    Switch on / Enlarge view

    +

    Reduce view

    –

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