No need to set up, just install one 3V CR2025 Cell Battery, then it works.
This is a new replacement IR remote controller.
Operates the following Sony Projector models:
VPL-CS21 VPL-CX21 VPL-CX100 VPL-CX120 VPL-CX150 VPL-CX61 VPL-CX63
Package Content: 1 x IR Remote Control (Batteries and Instructions are NOT Included)
Contact Us: Any query, please do not hesitate to contact us before leaving feedback or return, we promise will resolve it for you.