Sharp AQUOS XU Series LC-70XU830X Operation Manual page 62

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TV Setup Operation
Example
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General (Continue)
Advanced
Secret No.
Allows you to use a secret number to protect
certain settings from being accidentally
changed.
Input Secret No.:
Input the Secret No. currently set.
(Default: 1234)
Setting Secret No.
You can set and change the secret number by
using 0-9.
Yes: Change or sets the Secret No.
No: The previous screen will be displayed.
NOTE
EN 3-41
As a precautionary measure, make a note
of your secret number and keep it in a
familiar place.
The TV Channel Setup and Parental Control
will not be selectable from the menu if you
do not first configure your secret number.
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