Remap function key on external logitech keyboard

keybindingskeyboard

I am using a Logitech K250 keyboard on my MacBook Pro. I have already switched the cmd and opt keys in system preferences, but I would also like to remap the function key to option to make it more consistent with the default Mac keyboard. How can I do this? Thank you for your help.

Best Answer

It is possible to do with the Karabiner-Elements app.
As you have completed the installation, head to the app. In the very first tab choose the input device you wish to make a key remap for, then add a new item and define the initial key and target key (they are in the top section of the drop down).
This is it, no need to reboot. It effects immediately.

PS. it also allows you to remap the Eject key, which becomes useless if DVD drive is taken out for an extra HDD/SSD.

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KeyRemap4MacBook also supports device-specific settings:

<?xml version="1.0"?>
<root>
  <devicevendordef>
    <vendorname>KINESIS</vendorname>
    <vendorid>0x05f3</vendorid>
  </devicevendordef>
  <deviceproductdef>
    <productname>ADVANTAGE</productname>
    <productid>0x0007</productid>
  </deviceproductdef>
  <item>
    <name>modifierkeys</name>
    <identifier>modifierkeys</identifier>
    <device_only>DeviceVendor::KINESIS, DeviceProduct::ADVANTAGE</device_only>
    <autogen>__KeyToKey__ KeyCode::CONTROL_L, KeyCode::FN</autogen>
    <autogen>__KeyToKey__ KeyCode::FN, KeyCode::CONTROL_L</autogen>
    <autogen>__KeyToKey__ KeyCode::COMMAND_L, KeyCode::OPTION_L</autogen>
    <autogen>__KeyToKey__ KeyCode::OPTION_L, KeyCode::COMMAND_L</autogen>
  </item>
</root>

You can see the vendor and product IDs from EventViewer.app. If it can't remap any keys on the external keyboard, try uninstalling other keyboard or HID drivers.

See the source for the key code values and predefined settings.

MacOS – way to make the Function keys act as standard keys with a Logitech K811 keyboard

According to Logitech you need they Preferences Manger download and installed.

Make sure you pick the right OS X and follow the instructions.

Best Answer

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