3Com 8913H Two-Way Radio User Manual


 
54
Maintenance
Maintenance
A lamp has nite product life. Using the lamp for long periods of time could cause
the pictures darker or the color tone poor. Note that each lamp has a different
lifetime, and some may burst or burn out soon after you start using them.
Preparation of a new lamp and early replacement are recommended. To prepare
a new lamp, contact to your dealer and tell the lamp type number.
Replacing the lamp
Type number : 456-8755H
1.
Turn the projector off, and unplug the power cord.
Allow the projector to cool for at least 45 minutes.
2.
Prepare a new lamp. If the projector is mounted on
a ceiling, or if the lamp has broken, also ask the
dealer to replace the lamp.
3.
Loosen the screw (marked by arrow) of the lamp cover
and then slide the lamp cover to the side to remove it.
4.
Loosen the 2 screws (marked by arrow) of the
lamp, and slowly pick up the lamp by the handles.
5.
Insert the new lamp, and retighten rmly the
2 screws of the lamp that are loosened in the
previous process to lock it in place.
6.
Slide the lamp cover back in place and rmly
fasten the screw of the lamp cover.
7.
Turn the projector on and reset the lamp time using
the LAMP TIME item in the OPTION menu.
(1) Press the MENU button to display a menu.
(2)
Point at the Go to Advanced Menu … in the menu
using the ▼/▲ button, then press the ► button.
(3)
Point at the OPTION in the left column of the menu
using the ▼/▲button, then press the ► button.
In case of replacement by yourself, follow the following procedure.
Replacing the lamp
Handles
(4)
Point at the LAMP TIME using the ▼/▲ button, then press the ► button. A dialog will appear.
(5)
Press the ▲ button to select RESET on the dialog. It performs resetting the lamp time.
• Please reset the lamp time only when you have replaced the lamp,
for a suitable indication about the lamp.
NOTE
lamp cover
►Do not touch any inner space of the projector, while the lamp
is taken out.
CAUTION