Lenovo 500 MultimediaRemote Controller User Manual page 4

DPI level
Level 1 (150 DPI)
Level 2 (250 DPI)
Level 3 (350 DPI) (default level)
Level 4 (450 DPI)
④ Fn key, Fn Lock key, and DPI keys
+ Fn Lock key + Fn key: Switch the key function between the standard F1-F12
function and the special function printed as an icon on each key. When the Fn Lock function
is disabled, you can use the default function of function keys. You can change the default
function in the Keyboard Properties window from your computer.
Dots Per Inch (DPI) keys: Decrease or increase the DPI level. The DPI level is used to
measure the remote controller sensitivity. The higher the DPI level, the higher the remote
controller sensitivity.
LED color
White
White
White
White
LED activity
Blinking for one time
Blinking for two times
Blinking for three times
Blinking for four times