Read Sharp PN-U423 (serv.man2) Service Manual online
PN- U523/U473/U423 INSTALLATION, ADJUSTMENT, SETTING 2 - 11
2 - 4.INITIALIZATION (RESET)/FUNC-TIONAL
RESTRICTION SETTING (FUNCTION)
You can return the settings to their factory-preset values and restrict operations.
1. Hold down until “F” appears in the upper left corner of the screen.
2. While “F” appears, press in that order.
3. Select and set the items.
[ALL RESET]
Resets the settings to the factory default settings.
(The settings in COMMUNICATION SETTING are retained.)
Press , select ALL RESET, and then press .
After initialization, turn the main power switch off and then back on.
[ADJUSTMENT LOCK]
You can disable operations on the monitor and the remote control unit that use buttons.
OFF …. Enables operation.
ON ……Disables all operations other than turning power on/off and FUNCTION.
[OSD DISPLAY]
Shows/hides the menu, modes and messages.
The FUNCTION screen cannot be hidden.
ON …………………….. Shows menus, modes, and messages.
OFF …………………… Hides menus, modes and messages.
[LED]
Specifies whether to light the power LED.
4. Press to return to the normal screen.
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