Dynex DX-R20TR User Manual page 45

Using the TV
To turn the parental lock on or off:
1 Open the PARENTAL LOCK menu.
2 Press the CH+ or CH– button to select PARENTAL LOCK, then press the VOL+ or
VOL– button to select ON or OFF.
3 Press the MENU button one or more times to close the OSD.
To block or unblock TV ratings:
1 Open the PARENTAL LOCK menu.
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