/lib/udev/keymaps/fujitsu-amilo_pro_edition_v3505 is in udev 175-7.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | 0xA5 help # Fn-F1
0xA9 switchvideomode # Fn-F3
0xD9 brightnessdown # Fn-F8
0xE0 brightnessup # Fn-F9
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