NOT KNOWN FACTUAL STATEMENTS ABOUT HOW TO TELL IF PROJECTOR BULB IS DYING

I do know that not all displays are established equivalent, and maybe that's in which The solution lies; HDR is just not Completely ready for key time and not using a total lot of user intervention.So if 50% decline at 20k hours, twenty five% loss at 10K hrs. Have you ever communicated with producer engineers relating to this and does it vary by ma