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Setting up your TV
Locking channels
1 In the Options menu, highlight Panel Lock, and then press the OK
button.
2 Enter your four-digit PIN code.
3 Press the ▼(arrow) button to select On.
When the control panel is locked and any button on the control
panel (except the POWER button) is pressed, the message “NOT
AVAILABLE” appears.
Network
(Sample Illustration) Locks menu - Panel Lock selection
To unlock the control panel, select Off in Step 3 in this section or
press and hold the VOLUME (–) button on the TV control panel for
approximately 15 seconds until the volume icon appears.