Panel brightness settingfollows IEC 62623, it means to set the display wallpaper as RGB 130/130/130. Most of our notebooks cannot set to 90 cd/m2 with this wallpaper, and will be tested under max brightness, which cause Short idle mode will higher than E-star.(2019/12/12 feedback) IEC does provide a note stating manufacturers can determine brightness to the as-shipped instead of defaulting to max brightness see: IEC 62623 5.2 a 5) Note 1. Contact lab and tell them the standard allows manufacturers to determine as-shipped brightness for this test.