InFocus LASER PROJECTOR LP 540 Guide

Replacing the projection lamp

The lamp hour timer in the About menu counts the number of hours the

lamp has been in use. Fifty hours before the specified end of the lamp’s life,

the message “Replace lamp” briefly appears on the screen at each startup

and in the Interactive Display. After 50 additional hours, the lamp will no

longer light. You can order new lamp modules from your dealer. See

“Accessories” on page 41 for information.

1Turn off the projector and unplug the power cable.

2Wait 60 minutes to allow the projector to cool thoroughly.

3Turn the projector upside down and remove the lamp door by loosening

the captive screw and then prying the lamp door out.

4Remove the two screws on the lamp module.

WARNINGS:

• To avoid burns, allow the projector to cool for at least 60 minutes before

you replace the lamp.

• Unplug the power cord before replacing the lamp.

• Do not drop the lamp module. The glass may shatter and cause injury.

• Do not touch the glass lamp screen. Fingerprints can obscure projection

sharpness.

About menu

computer 2 network

monitor out

audioout

audioin

audio in

serial control

computer in

computer 1

video 2

video in

RS-video 1

turn off and unplug

the projector

wait 60 minutes

loosen the screw on lamp door pry the lamp door off

remove the screws on lamp module

• Be extremely careful when removing the lamp housing. In the unlikely

event that the lamp ruptures, small glass fragments may be generated.

The lamp module is designed to contain most of these fragments, but

use caution when removing it. Before replacing the lamp, clean the

lamp compartment and dispose of cleaning materials. Wash hands after

lamp replacement. his product has a lamp which contains a very small

amount of mercury. Dispose of it as required by local, state or federal

ordinances and regulations. For more information see www.eiae.org.

5Carefully remove the lamp module by grasping and lifting the metal

bail wire. Dispose of the lamp in an environmentally proper manner.

6Install the new lamp module, making sure that it is properly seated.

7Replace the two screws.

8Replace the lamp door and tighten the screw.

9Plug in the power cable then press the Power button to turn the projec-

tor back on.

10 Reset the lamp hour timer.

Resetting the lamp timer

If the lamp timer has reached the maximum number of hours for the projec-

tor lamp, the LED on the projector’s keypad will show a lamp error (see

“LED behavior and meaning” on page 16). To reset the lamp timer, press the

decrease volume button on the remote and then the increase volume button

within 3 seconds. At that point the LED will turn green and you can power

on the projector. You can also navigate to the Settings>Service menu and

select Lamp Reset to reset the lamp timer.

remove module using bail wire

reset lamp time in Service menu

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