▁for ▁the ▁driver ▁to ▁manually ▁operate ▁as ▁necessary . ▁ ▁Over view ▁ ▁Because ▁of ▁automatic ▁operation , ▁the ▁delay ▁is ▁small , ▁the ▁train ▁density ▁can ▁be ▁increased . ▁On ▁the ▁other ▁hand , ▁since ▁this ▁train ▁is ▁basically ▁a ▁two - car ▁train , ▁it ▁is ▁suitable ▁for ▁low - pop ulation ▁areas ▁and ▁medium - s ized ▁cities . ▁ ▁Inter ior ▁ ▁Although ▁the ▁vehicle ▁is ▁small , ▁the ▁window ▁is ▁large , ▁so ▁it ▁is ▁a ▁car ▁with ▁open ▁feeling . ▁According ▁to ▁the ▁climate ▁of ▁Europe , ▁although ▁air ▁condition ing ▁is ▁not ▁installed ▁in ▁the ▁basic ▁specification , ▁air ▁condition ing ▁is ▁installed ▁only ▁in ▁the ▁U ije ong bu ▁Light ▁Rail ▁Trans it ▁train ▁at ▁South ▁Korea . ▁ ▁Pl ast ics ▁are ▁widely ▁used ▁for ▁many ▁parts , ▁but ▁doors ▁and ▁hand ra il ▁are ▁made ▁of ▁st ain less ▁steel . ▁ ▁The ▁color ▁tone ▁inside ▁the ▁car ▁var ies ▁depending ▁on ▁the ▁railway ▁operator . ▁ ▁Tra ction ▁equip ments ▁▁ ▁The ▁tra ction ▁control ▁system ▁does ▁not ▁adopt ▁the ▁V V VF ▁control , ▁and ▁it ▁has ▁become ▁a ▁conventional ▁cho pper ▁control . ▁ ▁The ▁tra ction ▁motor ▁adopted ▁Al st om ' s ▁br ush less ▁DC ▁motor . ▁The ▁tra ction ▁motor ▁was ▁self - vent il ated , ▁mounted ▁on ▁bog ie . ▁It ▁is ▁mounted ▁inside ▁each ▁wheel , ▁and ▁the ▁power ▁from ▁the ▁tra ction ▁motor ▁is ▁transm itted ▁via ▁the ▁planet ary ▁g ear