Effects
=======

Shift key / CapsLock
--------------------

The right shift key can be used to switch into capslock if the key is pressed
without any other key.

The keyboard will exit the mode by either:
- The `KC_ESCAPE` key
- The `KC_LSHFT` key
- another action of the key `KC_RSHFT`

Left and Right Control
----------------------

The `KC_F` and `KC_J` keys can be used to activate the respective left and right
control keys.

A mecanism tries to detect if the

Layers
======

There are two layers, one for the numeric keypad, and one for the navigation
arrow.

The numeric keypad
------------------

This layer is mostly located on the left part of the keyboard, and is activated
with the right layer key.

The navigation arrows layer
---------------------------

This layer is located on the right part of the keyboard and is activated with
the left layer key.

Combos with other keys
----------------------

The navigation layer is automatically activated when the key `KC_LGUI` is
pressed :

- In windows this allow to move a window automatically (with `KC_LGUI` + arrows)
- In Linux, this allow to map the key `mod4` + arrows to move between windows