Ive just put new battery on my zaf gsi Then i noticed that the kids standard dvd wanted a code to play the dvd's ive got the code but when i go to put the code in the last number ends up flashingIs there a confirm code button what to press to enter it ive tried alsorts.Every time i **** it up i end up having to wait ten minutes till i enter it again i.Ive got 7 attempt leftI do have the right code as ive put it in before just cannot remember what i did after the code was put in