![](/images/backgrounds/187146/bgf3.png)
Sound Feedback or adjust its volume.
●ℓ∫Panel Lock
Lock or unlock all the keys on the front
panel at once. When Panel Lock is on,
none of the keys on the front panel
operate.
●ℓ∫Boot Logo
Displays the Samsung logo when the
TV is turned on.
●ℓLight Effect for LED 7003, 7100 and 7150
Series