Samsung QN55S90CDFXZA E-Manual page 151

Setting up the Button Lock
(left directional button)
Manager Button Lock
You can set the TV Controller button lock. If this function is On, you cannot use TV Controller button.
This function may not be supported depending on the model.
Setting up the USB Lock
(left directional button)
Manager USB Lock
You can block connection to any external USB device.
This function may not be supported depending on the model.
Setting up the Zero Touch Configuration
(left directional button)
Manager Zero Touch Configuration
Set up the device via Tizen Business Manager. Before using Zero Touch Configuration, register the device at Tizen
Business Manager.
This function may not be supported depending on the model.
Using the Cold Weather Mode
(left directional button)
Manager Cold Weather Mode
This function is supported only in The Terrace.
For more information on
The menu name may differ depending on the model.
Settings
Settings
Settings
Settings
Cold Weather Mode, refer to the user manual that came with the TV.
All Settings General & Privacy
All Settings General & Privacy
All Settings General & Privacy
All Settings General & Privacy
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System
System
System
System