Вот что про это в мануале пишут:
Maximum length of each recorded video file is 3.66G. When it reaches the maximum, the recording is automatically split and saved as another file. When the recording mode setting in “Auto” mode (SYSTEM SETTINGS --REC SETTING), if the space is full, the previous files don’t be deleted; When the recording mode setting in other mode, if the space is full, the previous saved file will be automatically deleted.
Добавлено спустя 5 минут 15 секунд:
В меню пропущен пункт AUTO POWER OFF, вот как должно быть согласно мануалу:
DATE/TIME STAMP: OFF / DATE / DATE/TIME
AUTO POWER OFF: OFF / 1MIN / 3MIN / 5MM
REC SETTING: AUTO / SETTING / 5 MIN / 10 MIN / 15 MIN
А по факту
DATE/TIME STAMP: OFF / DATE / DATE/TIME
REC SETTING: AUTO / SETTING / 5 MIN / 10 MIN / 15 MIN