Справочник Пользователя для Mitsubishi Electronics XD500U-ST

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EN-26
Lamp replacement (continued)
4. Pull up the handle (g), and then pull out the lamp unit (h) by the 
handle.
5. Remove the lamp attachment unit.
• Pull the lamp unit out of the projector slowly. If it is pulled out 
quickly, the lamp may break, scattering glass fragments.
• Do not spill liquid on the removed lamp unit or do not place it 
near any flammable object or where children can reach to pre-
vent injuries or fire.
When the projector is mounted to the ceiling:
Confirm that the lamp unit (h) is securely held inside the lamp dis-
posable bag of the lamp attachment unit. And then loosen the screw 
(f) that come with the lamp attachment unit. Then remove the lamp 
attachment unit.
6. Load a new lamp unit securely into the projector in the right orien-
tation.
7. Tighten up the screw (c) using a Phillips screwdriver (+) to secure 
the lamp cover (d).
• Make sure that the lamp cover is secured firmly. Otherwise, the 
POWER indicator flashes red and green, disallowing the projec-
tor to be powered on.
Reset of the lamp operation time
Plug in the power cord, and reset the lamp operation time by keep 
pressing the 
W, X, and POWER buttons on the control panel at the 
same time.
Important:
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 oper-
ation 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.
Caution:
The lamp is fragile. If it is broken, be careful not to cut yourself with 
glass fragments.
Contact your dealer for a new lamp.
Interval of lamp replacement
When the lamp shutdown notice is issued, the lamp replacement is 
recommended even if the lamp is lit normally. Decrease in lumines-
cence and/or color brightness indicates that the lamp needs to be 
replaced. When the lamp operation time exceeds the time elapsed 
until the lamp shutdown notice
*1
 is issued, the indicator will blink alter-
nately green and red while the lamp is lit (while the lamp is not lit, the 
indicator will blink red only) and the lamp replacement message will 
appear on the screen for one minute every time the lamp is turned on. 
When the lamp operation time exceeds the time elapsed until the 
lamp shutdown warning
*2
 is issued, the replacement message (LAMP 
EXCHANGE) will appear on the screen for one minute at fixed inter-
vals
*4
 thereafter.
When the lamp operation time exceeds the time elapsed 
until the lamp shutdown
*3
, the projector automatically 
shuts off and can’t be used until the lamp is replaced 
and the lamp operation time is reset.
The times above are when LAMP MODE of the INSTALLATION menu 
is set to LOW. When it is set to STANDARD, this duration will be short-
ened.
*4
These intervals vary depending on the lamp mode setting.
*5
When LAMP MODE is set to STANDARD, the time elapsed until 
the lamp shutdown will be shortened to 2000 hours.
Important:
Do not open the lamp cover when the projector is set at a ceiling or 
a high place. Lamp fragments may fall from the inside if the lamp 
were broken. 
Please contact your dealer when you need to replace the lamp 
with a new one.
Caution:
• This projector uses a lamp that contains mer-
cury. Disposal of the lamp or the projector with 
the lamp may be regulated due to environ-
mental considerations. For disposal or recy-
cling information, please contact your local 
authorities or the Electronic Industries Alli-
ance: www.eiae.org. (For US only).
(h)
(g)
XD500U-ST
*1
 2250 Hours
*2
 2850 Hours
*3
 3000 Hours
*5