Hi Pierre
Not realy sure, but I know the Vytek takes a long time to clear if your final stop is not near its deco "ceiling", so it may not be counting down very quick if you are at say, 7m, but would go down quicker if you were at say, 5m? You may have the answere yourself if you check both profiles together? Did these track each other untill the final ascent or stops or was the Vytec adding extra deco from the start?
James
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