Sharp AQUOS 4T-80CJ1U Operation Manual page 56

>> On-Screen Display Menu
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Example
System Options (Continue)
Public Mode
12. RC PATH THROUGH
Selection Selection between "OFF", "ON: Display RCE" and "ON: Display RCD"
Default OFF
Explanation Function to feed the remote controller-received signal to Pin 9 (open) on the RS232C.
Limit in Setting None
Exception None
Remarks When the setting is "ON: Display RCD", TV doesn't respond to the RC operation.
13. PUBLIC MODE
Selection Selection between "ON" and "OFF"
Default OFF
Explanation In case of "ON", public mode settings are effected.
Limit in Setting None
Exception None
Remarks The public mode settings are operable only when this item is set at ON.
ENG 4-32