| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent contents of initial settings from freely be changed by a child. <P>SOLUTION: A plurality of setting items including a setting item of view limitation are provided as setting items of initial settings, contents to be reproduced are limited according to a view limitation level set in the setting item of view limitation, and a password is requested to be input to change the view limitation levels (S11). In this constitution, when the view limitation level is higher than a predetermined level, it is made impossible to change setting contents of setting items except the setting item of view limitation. <P>COPYRIGHT: (C)2007,JPO&INPIT |
