你的认为是正确的.to adjust 相当于it,为真正宾语.
as 引导原因状语从句时表示附带说明的“双方已知的原因”,语气比since弱,较为正式,位置较为灵活(常放于主句之前).例如：As it is raining,you’d better take a taxi.既然在下雨,你最好乘出租汽车.// As you are tired,you had better rest.既然累了,你最好休息一下.// I went to bed early,as I was exhausted.我睡得早,因为我筋疲力尽了.
常放于主句之前,并不表明一定放在前面.