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Lamp Information
Use and Replacement of Lamp
The projector lamp has a normal operating time of approximately 1200 to 1500
hours, called the lamp life. During the normal lamp life, the picture will be bright and
the colors clear. If the lamp is used beyond the normal lamp life, the picture will
become dark and the colors poor. Always replace lamps with new ones. Using an
old lamp in the projector could cause a malfunction. When the power is turned on,
the LAMP indicator will light up red or a message will be displayed to indicate when
it is time to replace the lamp. Consult your dealer.
Status LED Indicators
Lamp Exceed Service Hours —
When this LED lights red continuously, it is
warning you that the lamp has exceeded
1500
service hours. Replace the
projection lamp immediately.
CHANGE THE LAMP, AND RESET THE LAMP TIMER —
The lamp has been in
operation for 1200 hours.
CHANGE THE LAMP, THE POWER WILL TURN OFF AFTER 20 HOURS —
The
lamp has been in operation for 1479 hours, and the power will turn off after 20 more
hours.
CHANGE THE LAMP! —
The lamp has been in operation for over 1500 hours, and
the power will turn off automatically in 10 minutes.
All of these messages will not display for more than 3 minutes, but each message
will be displayed whenever you turn on the lamp again.
Lamp is not well attached —
When the LED blinks rapidly, it indicates that the
lamp is not attached properly.
Temperature is too high —
When the projector’s internal temperature is too hot to
operate safely, the LED blinks slowly for one minute and the lamp turns off
automatically.
If the LED light is off, it means that the projector’s lamp and temperature are
operating under normal conditions.
Caution
The LAMP indicator will light if the lamp becomes too hot. Turn off the power and let
the projector cool for 45 minutes. Turn the power back on. If the LAMP indicator still
lights red, please contact your dealer.
22
3M
Personal Projector MP7720
© 3M IPC 2000
Table of Contents
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