Acer AT3730B - Manual (Page 12)

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12
Advanced features
Lock TV
Locking TV content
Lock TV is a handy feature that can block all TV sources.
Lock TV allows you to enter a password and effectively stop anyone without the password from watching TV.
Setting a personal PIN
1
Press the MENU key on the remote
control to bring up the OSD.
2
Use the directional keys to navigate to the Settings menu. Then select Set PIN.
(see note)
3 Enter a four-digit password. Type it again and press OK to reconfirm.
4 Press MENU to exit.
To enable this feature:
The default PIN for this TV is "0000." First enter "0000" when you want to change the PIN. If you forget your PIN,
please enter 6163 to reset.