Planar PLL2770W Car Video System User Manual


 
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Option 2: OSD & Power button lock – all 5 buttons including the “POWER” button are locked.
Press and hold the 1 button and the button for 3 seconds to lock all 5 buttons.
The LED LCD Monitor will show a “POWER BUTTON LOCKED” message for 5~10 seconds and the
message will disappear automatically.
Repeat this step to unlock.