Kensington KeyCoverPlus Guide De Démarrage Rapide page 6

Backlight Functions
To turn on
backlight
To turn off
backlight
To change
backlight
colors
Charging
Blinking
Glowing red
Turns off
Store the Keyboard
X1
X3
Status
Connect OFF/ON
To increase
brightness
1 2 3
Battery needs charging
Charging in progress
Battery is fully charged
4
X2
4 5 6 7