When i want to turn the tv on, pt is on the screen, then dissapears and pro logic is seen in the upper part where the buttons are located. But the screen won't turn on. What to do, is it something with the timer? how to turn off the timer?

Greets Michel

How to delete the timer in the menu of a beovision avant? i already tried to put everyting on zero, but the timer is still going back to the last settings.