Originally Posted by luv757

We don't set 0s at my shop either. We set TDZE (rounded up to nearest hundred so 48' we'd set 100) at GS capture for an ILS or on an LNAV/VNAV we can set TDZE when cleared the approach and on a published segment (and in VNAV). Outside of that the lowest we can set is FAF altitude (again if in VNAV). We set MA altitude at our 1000' foot call.