I just the other day noticed the BM235 has a better diode test function than the BM869s as the BM235 will display a Vf > 2.0 V for white LEDs where the BM869s just shows OL. (But oddly, the BM869 makes the diode light up and presumably has a value for Vf internally, it just is not prepared to display it. This seems like an odd shortcoming in a modern meter, given how common white LEDs are.)