N = Number Lock or Numeric Lock
Allows you to use the number pad on the right side.
C = Caps Lock
Toggling this will cause all letter to generate capital letters.
S= Scroll Lock
Allows you to move between cells commonly found on excel sheets.
W= Windows Lock
Turning windows lock will disable the Windows key and the Menu key.
The above only applies to PC/Windows mode. In Mac mode, only C (Caps Lock) indicator will work.
• (S) Blinking Red Light: Indicates the keyboard is low on battery.
• (S) Steading Red Light: Indicates the keyboard is charging. This light will turn off when full.
• (W) Quick Blinking Blue Light: The keyboard is trying to reconnect with the last paired device.
• (W) Slow Blinking Blue Light: The keyboard is in Pairing Mode.
Fig. 01 / LED Indicator Abbreviations.