Sony VAIO V G C - LT 2 0 - Manual (Page 73)

73 n N
Using Your VAIO Computer
3 Attach the remote sensor control (1) onto the set-top box (3) near the infrared sensor (4).
!
Do not cover the infrared sensor when attaching the remote sensor control.
The remote sensor must be visible in a line of sight with the remote commander in order to function properly.