Some BenQ projector users may come across such a situation: original remote control from BenQ is breaking or missing, you have to buy a new one from other manufactures.
Fortunately, BenQ projector supports the remote control from other manufactures.
You can set up according to the following tips.
You should find out the user manual of your BenQ Projector and get IR Code.
If you have missed by accident, you can consult BenQ customer service.
Buy a new remote control.
Input the [custom code + IR code] or [IR code + custom code] based on the instruction on the remote control.
Then you can use the new remote control. Just have a try. May this guide can help you out.