▁the ▁introduction ▁of ▁the ▁LA 1 0 0 ▁but ▁it ▁continues ▁to ▁be ▁a ▁sought - after ▁product ▁second ▁hand . ▁ ▁The ▁LA 1 0 0 , ▁launched ▁in ▁ 1 9 8 4 , ▁introduced ▁micro processor ▁controlled ▁' Sequence ▁testing ', ▁with ▁L CD ▁graph ic ▁display . ▁A ▁policy ▁of ▁free ▁software ▁up gr ades ▁based ▁on ▁feedback ▁from ▁customers ▁resulted ▁in ▁the ▁LA 1 0 0 ▁becoming ▁a ▁well ▁known ▁and ▁highly ▁regarded ▁product ▁throughout ▁the ▁Broadcast ▁and ▁Professional ▁Audio ▁community . ▁It ▁continues ▁to ▁be ▁manufact ured ▁in ▁ 2 0 1 8 ▁and ▁is ▁unusual ▁in ▁that ▁all ▁LA 1 0 0 ▁units ▁ever ▁made ▁can ▁still ▁be ▁upgrad ed ▁to ▁the ▁latest ▁design , ▁even ▁to ▁the ▁point ▁of ▁a ▁' style ▁upgrade ' ▁which ▁rep laces ▁the ▁out dated ▁brown ▁and ▁cre am ▁case ▁and ▁panel ▁with ▁modern ▁silver ▁and ▁grey ▁versions . ▁In ▁this ▁sense ▁it ▁demonstrated ▁an ▁early ▁approach ▁to ▁the ▁principles ▁of ▁the ▁W aste ▁Elect rical ▁and ▁Electron ic ▁Equ ip ment ▁Direct ive ▁( WE EE ) ▁that ▁took ▁effect ▁in ▁Europe ▁in ▁ 2 0 0 6 . ▁ ▁The ▁M ini S onic ▁MS 1 0 , ▁introduced ▁in ▁ 2 0 0 5 , ▁is ▁a ▁small ▁low - cost ▁unit ▁with ▁many ▁of ▁the ▁features ▁of ▁the ▁LA 1 0 0 , ▁including ▁sequence ▁testing . ▁ ▁The ▁D igi S onic ▁D S 1 0 ▁provides ▁all ▁the ▁features ▁of ▁the ▁MS 1 0