After replacing the lamp in an XD480U projector, what are the 2 buttons needed when pushing the power button, to reset the Interval of lamp replacement time? The buttons to choose from are: Auto position (up arrow), Computer (left arrow), Keystone (enter), Video (right arrow) Menu, and down arrow.

1. To turn on your NEC P350x projector, press the power button on the top of the projector. 2. To reset the timer on your NEC P350x projector, press the Menu button on the remote control. Then navigate to the "Timer Settings" menu and select the "Reset" option.

1. Make sure, your projector is on standby.
2. While holding down the projector's Comp Sync + and Comp Tracking + buttons, press and hold down the power button.
3. After status light 1, 2, and 3 flash ON and OFF at least three times, release the Comp Sync + and the power button. The flashing lamps status indicate that the lamptimer is reset.

The lamp hours might have not been properly reset.

1. Press the "POWER" button so that the projector projects the picture on the wall (projection screen)
2. Press the "MENU" button to show the "MAIN MENU"
Use buttons "F" or "G" and select "OPTION"
3. Confirm this by pressing "ENTER" so that "OPTION" is shown
Using buttons "5 / 6", select "LAMP RUNTIME" (lamp operation counter)
4. Select and press the "ENTER" button for at least 3 seconds
5. The "LAMP RUNTIME" (lamp operation counter) will change to "TIME RESET[POWER OFF]"
6. Turn the device off by pressing "POWER" and unplug the power cord.

hi,
To reset the lamp hour timer do the following,
1. Power on the projector
2. press the menu button
3. Select option
4. in the option menu select Lamp time
5 press and hold the reset button on the remote or Right arrow button on the projector for 3 seconds
the lamp reset diagonal box will appear
6 using the up arrow button select reset.

Also try to reset the filter time using the same procedure


lamp reset is recommended only after the lamp replacement.
ok

Press RESET, <, >, ENTER keys on remote within 5 seconds to reset lamp timer.

Yes, press RESET, <, >, ENTER keys on remote simultaneously to reset lamp timer. Display of lamp will also change to zero.
Make sure projector is just plugged in and should not power On (in standby mode) to reset lamp timer.

you'll have to replace the ballast. but if there are no leds lit, you might have to replace the power supply.

you need to reset the lamp timer, usually done by holding some buttons while turning on

To reset the lamp operation time on a Mitsbishi XD480U:

Plug in the power cord, turn on the lamp, and press the Left Arrow button, Right Arrow button, and POWER buttons on the control panel ALL AT THE SAME TIME, holding them all down for about three seconds.

Notes:
•Unless these three buttons are pressed at the same time, the lamp operation time isn't reset.
• Make sure that the STATUS indicator is lit twice and the lamp operation time is reset successfully.
• The projector doesn't turn on if the lamp cover isn't attached securely.
• Be sure to reset the lamp operation time whenever you replace the lamp.
• Do not reset the lamp operation time unless you replace the lamp.

there are several other issue that can arise with this unit

you may want to check out fixmyprojector.com