Mr. Markus Vollert

Membership of committees

Group affiliation



Help with accessibility

  • General

    We endeavor to make our websites accessible. You can find details on this in our accessibility statement. You can send us suggestions for improvement via our feedback form Report accessibility.

  • 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 the left ALT key + left SHIFT key + 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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