Samsung QM85F - Auto Source Switching; Primary Source Recovery; Primary Source; Secondary Source

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The Change PIN screen will appear.
Choose any 4 digits for your PIN and enter it in Enter a new PIN.. Reenter the same 4 digits in Enter the PIN again..
When the Confirm screen disappears, press the Close button. The product has memorized your new PIN.
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Default password: 0 - 0 - 0 - 0
Change PIN
MENU m → System → Change PIN → ENTER E
System
Change PIN
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The displayed image may differ depending on the model.