InFocus DISPLAY LINK IN3902LB - Manual (Page 49)

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4 Loosen the captive screws that attach the lamp housing to the projector.
Carefully remove the lamp housing. Dispose of the lamp in an
environmentally proper manner.
5 Install the new lamp module and tighten the screws.
6 Replace the lamp door by sliding it into place and tightening both
screws.
7 Plug in the power cord and press the Power button to turn the projector
back on.
8 To reset the lamp hour timer, navigate to the Status and Service menu and
select Reset Lamp Hours (on page 37).
Using the security lock
The projector has a security lock for use with a Cable Lock System. Refer to
the information that came with the lock for instructions on how to use it.
loosen screw
security lock