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Try this: press "Function" and "Mute" on the remote at the same time. This will unlock the channel. Do this if you want to bypass the lock to watch a certain show or channel while leaving the TV locked. All other channels will remain locked and the TV will lock again when it is turned off.
Unlock all of the channels on the TV by entering 0711 or 3308. These are the Jensen factory reset codes that will reset the TV to the original factory settings. By doing this, you will loose any information that you have stored in the TV, such as channel labels and schedules. You will have to program the TV again by going through the entire initial set up.
My Advent TV did the same thing. Blue Screen with a red lock in the upper left corner. Just press and hold the display button for about 10 seconds. It will clearn
i have a blue screen with a red lock
great advise, it really worked. thanks :)
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