Infocus lp720 补充手册
41
Replacing the Projection Lamp
WARNING: To avoid burns,
allow the projector to cool for at
least 2 minutes before you open
the lamp module door. Never
extract the lamp module while the
lamp is operating.
The lamp hour counter on the status bar at the top of the menus
counts the number of hours the lamp has been in use. After 2000
counts the number of hours the lamp has been in use. After 2000
hours of use, the lamp monitor LED, marked
on the top of the
projector near the keypad, lights. After 2050 hours, the lamp
switches off completely and must be replaced. You can order new
lamp modules from your In Focus dealer. See “Accessories” on
page 53 for information.
switches off completely and must be replaced. You can order new
lamp modules from your In Focus dealer. See “Accessories” on
page 53 for information.
Follow these steps to replace the projection lamp:
1
Turn off the projector and unplug the power cord.
2
Wait 2 minutes to allow it to cool thoroughly.
3
Using a small, flat-blade screwdriver, remove the screw on the
outside of the lamp door (Figure 34).
outside of the lamp door (Figure 34).
4
Pull the lamp cover up and remove it.
F
IGURE
34
Removing the lamp module door
CAUTION: Never operate the
projector with the lamp cover open
or removed. This disrupts the air
flow and causes the projector to
overheat.
5
Loosen the two non-removable screws on the outside of the
module.
module.
6
Remove the module (Figure 35).