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38
1. Open the OSD menu and go to the INSTALLATION > Light Source Settings >
Light Source Information
menu.
2. Press Enter and the Light Source Information page is displayed.
3. Light Source Usage Time displays the number of hours the lamp has been used.
Equivalent Lamp Hour displays the overall lamp life. The method of calculating the
equivalent lamp hour is as follows: Total (equivalent) Lamp Hour = 3.75 x (hours
used in Normal mode) + 1.5 x (hours used in Eco mode) + 1.875 x (hours used in
Dynamic mode) + 1 x (hours used in SuperEco mode)
The light source modes involved may differ. Please refer to the actual OSD of your projector.
4. To leave the menu, press Exit.
Extending lamp life
The projection lamp is a consumable item. To keep the lamp life as long as possible, you
can do the following settings via the OSD menu.
Setting Lamp Mode
Setting the projector in Eco/Dynamic/SuperEco mode reduces system noise, power
consumption and extends the lamp operation life.
To set the lamp mode, go to the INSTALLATION > Light Source Settings > Light
Source Mode menu and press / to select.
The light source modes involved may differ. Please refer to the actual OSD of your projector.
Setting Auto Power Off
This function allows the projector to turn off automatically after a set period of time once no
input source is detected to prevent unnecessary waste of lamp life.
1. Open the OSD menu and go to the SYSTEM SETUP: BASIC > Auto Power Off
menu and press / .
2. If the preset time lengths are not suitable for your need, select Disable. The projector
will not automatically shut down in a certain time period.
Timing of replacing the lamp
Please install a new lamp or consult your dealer when the Lamp indicator light lights up.
An old lamp may cause a malfunction in the projector and in some instances the lamp may
explode.
CAUTION
The Lamp indicator light and Temperature indicator light will light up if the lamp becomes too
hot. Turn the power off and let the projector cool for 45 minutes. If the Lamp indicator light or
Temperature indicator light still lights up after turning the power back on, please contact your
dealer. See "Indicators" on page 39 for details.
Lamp mode Description
Normal Provides full lamp brightness.
Eco
Reduces lamp power consumption by 30% and lowers brightness to
extend the lamp life and decreases the fan noise.
Dynamic
Reduces lamp power consumption by up to 70% depending on the
content brightness level.
SuperEco
Reduces lamp power consumption by 70% and lowers brightness to
extend the lamp life and decreases the fan noise.
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