As on the first days they are complaining as his sound looking strange and they are asking for setting his a more habit.

As a good and habit are different, habits are slowly needing changing, if his to carry from the case to case ,thus you will not learn his use and his effects and will share that he is not help you. As all depends from you, as not to stop on the half way.
As an adaptation is individuality, as who carry his at home to a habit for home s sounds or who is right away carry at street, as this is depending from deafness level and from his psycho logic condition.
But 90 percents of patient are could not used theirs and cared for theirs, and ask specialist for teach you to wear theirs, turn over regulators, change batteries.
As and even a hard apparatus needing in care use as against damages keep his far of sun rays, and warm devices, corpus his regular rub with dry fabric soft, not with water or spirit and cleaned items, as not use his before swim, wash,spa, use a hairs dryness as for hairs items, as medic tests, and MRT, SWT.
As if he is wet, remove his, remove batteries and rub for soft dry fabric, as leave an open compartment for batteries and shake for water remove, if water entered as mud or salted thus doing same procedures, but on begin to wash apparatus with clean water, just not dry with devices or microwave oven. As batteries use just matching for your apparatus, turn off his if not doing his, and on the sleep time, as not leave his in places are for children  access, and animals. As in buy ask about his repair in his broke, as to self repair and open his deeply is avoiding.
 By Vera Shikarenko, LOR M.D, surdolog.