Logitech MX Master 3S - Page 15

Smart backlighting
Your keyboard has an embedded ambient light sensor that reads and adapts the level of
backlighting accordingly.
Room brightness
Backlight level
Low light - under 100 lux
L2 - 25%
Mid light - between 100 and 200 lux
L4 - 50%
High light - over 200 lux
L0 - no backlight*
Backlight is turned OFF.
There are eight backlight levels.
You can change the backlight levels at any time, with two exceptions: the backlight cannot be
turned ON when:
• The room brightness is high (above 200 lux)
• The keyboard battery is low (below 10%)
Software notifications
Install Logitech Options+ software to get the most out of your keyboard. Click
logitech.com/optionsplus for more information.