Apex Digital GT1417DV 14 in. TV/DVD Combo "shows lock symbol" Questions

...lock symbol The tv turns on but only shows a blue screen with a padlock symbol in the corner. I assume this is the parental lock but there nothing in the manual to tell me how to get out of the lock. ...

...shows for about 5 seconds, then disappears and is replaced by a small red key symbol in teh lower left corner of the screen. I have no idea what PIN he could have used. Is there a reset button or ...

shows a red key symbol and I can't removed it. Cannot use buttons on the screen only the remote for turning on and off, nothing else. Apex TVs use a four digit code to control the v-chip. The override