Dell Projector 4100MP - Manual (Page 42)

Lamp Hour
Display operating hours since lamp timer reset.
Lamp Reset
Use this function only after a new lamp is installed in the projector. Select the left Lamp Reset icon (light bulb and arrow
under the icon), and press the Enter button to reset the lamp timer.
Power Saving Menu
Power Saving
Use this function to select the power saving delay period. Press "Yes" to go into the "set time" sub menu.
Set Time (Min)
Set the power saving delay period preference. When the projector is not receiving an input signal for the selected period of
time, the projector will automatically enter the power saving mode, and turn off the lamp. After a one-minute cooling period,
the projector can turn back on when an input signal is detected or by pressing the "Power" button. After two hours the
projector will turn off and must be turned on by pressing the power button on the control panel or remote.
OSD Lock
l Select Yes to enable OSD Lock for hiding the OSD menu. (Or pressing the Menu button on control for 15 seconds)
l Select No to disable the OSD Lock for hiding the OSD menu. (Or pressing the Menu button on control for 15
seconds again)
RF Learning Setting Menu