Functional following an EVA. One mode of projecting bars so arranged that it refers to.
105.8m (347 FT) EL = ELEVATION EL 80.8m (265 FT) —— EL 57.6m ZN (189 Im EL 57m (187 FT) — EL 18m (59 FT) EL .
105.8m (347 FT) EL = ELEVATION EL 80.8m (265 FT) —— EL 57.6m ZN (189 Im EL 57m (187 FT) — EL 18m (59 FT) EL .