Viper V765 User Manual page 11

RAINDROP MODE
Keys are randomly lit resembling the pattern of rainfall
FN+PgUp FN+PgDn
Increases Speed of Vortex Mode Decreases Speed of Vortex Mode
FN+ (-/+)
Increases/Decreases Brightness
RAINDROP/REACTIVE MODES
Press FN+F9 to continuously alternate between modes
REACTIVE MODE
When pressing any key, the key will light up and fade
FN+PgUp FN+PgDn
Increases Fading Speed of Reactive Mode Decreases Fading Speed of Reactive Mode
FN+ (-/+)
Increases/Decreases Brightness