Originally Posted by Chan Tran
Keep the meter in exact position, open the dome to switch it to reflected mode. The reading should be 2.7 EV or so higher. If not then the meter probrably always in reflected light mode.
There is no "reflected light mode" (in any meter with a dome), in the meaning of a switch. Aside of enlarging the angle of coverage, the dome acts as 82% grey-filter. That's all.