Logitech K400 Plus Frequently Asked Questions Manual page 7

Key Shortcut / Function
FN + ins: PC sleep
FN + backspace: print
FN + caps lock: scroll
FN + left arrow: home
FN + right arrow: end
FN + up arrow: page
FN + down arrow:
To select a function key, hold down the FN key, and then press one of the keys listed in the table above.
For example, to use F5, hold down FN and then press the Search key
You can also set the keyboard to only use standard F1 - F12 functions. See
use standard function keys
Question: Disable keys on the K400 Plus keyboard with Logitech Options
Answer: You can disable some or all of the following keys on your K400 Plus keyboard:

Caps Lock

Scroll Lock

Insert

Windows logo key
To disable the keys:
1. Start Logitech Options:
Start > All Programs > Logitech > Logitech Options
screen
lock
up
page down
for more information.
Set the K400 Plus keyboard to