Acer H6815 Series User Manual page 34

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Control Panel
Lock
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Lamp
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Information Displays current status of this projector.
Off: Allows all keys on the control panel to operate
normally.
Child Lock: Disables the Power key on the control
panel when the projector is in standby mode to
prevent it from being accidentally turned on. To turn
the projector on, press and hold the Power key for 3
seconds.
Full Lock: Disables all keys on the control panel. If you
turn off the projector without disabling the Full Lock
function, the projector will still be in locked status the
next time it is turned on. To disable Full Lock function,
press and hold "POWER" on the control panel for 7
seconds and the Control Panel Lock will be set to
"Off". When the projector is in standby mode, press
and hold "POWER" on the control panel for 7 seconds
to turn the projector on and the Control Panel Lock
will be set to "Off".
Lamp Hour Elapse: Displays the lamp's elapsed
operating time (in hours).
Lamp Reminding: Choose this function to show or
hide warning message when the changing lamp
message is displayed. The message will show up 30
hours before end of life.
Lamp Hour Reset: Press "ENTER" after choosing "Yes"
to reset the lamp hour counter to 0 hours.