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W20000-en.book Page 43 Monday, October 22, 2007 3:35 PM
Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is
automatically calculated by the built-in timer. The method of calculating the
equivalent lamp hour is as follows:
Equivalent lamp hour
= 1 (hours used in Whisper mode) + 3/2 (hours used in Normal mode)
See
"Setting Lamp Power as Whisper"
Whisper mode.
To obtain the lamp hour information:
1.
Press MENU and then press
highlighted.
2.
Press
to highlight Lamp and press ENTER. The Lamp page displays.
3.
Highlight Lamp Hours and press ENTER to display the Lamp Hours
information page.
4.
To leave the menu, press MENU.
About Lamp Rest Rate:
Lamp Rest Rate shows the percentage of the lamp rest life. The method of
calculating the rate is as follows:
Rest Rate = [1 - (Total Lamp Hours /3000)] x 100%
Extending lamp life
The projection lamp is a consumable item that normally can last up to 2000-
3000 hours with proper usage. To keep the lamp life as long as possible, you
can do the following settings via the OSD menu.
•
Setting Lamp Power as Whisper
Using Whisper mode reduces system noise and power consumption. If the
Whisper mode is selected, the light output will be reduced and result in darker
projected pictures.
Setting the projector in Whisper mode also extends the lamp life. To set
Whisper mode, go into the Advanced Setup > Lamp > Lamp Power menu and press
•
Setting Auto Off
This function allows the projector to turn off automatically if no input source is detected after a set period of
time.
To set Auto Off, go into the System Setup > Auto Off menu and press
period can be set from 5 to 30 minutes in 5-minute increments. If the preset time lengths are not suitable for your
presentation, select Disable. The projector will not automatically shut down in a certain time period.
below for more information on
/
until the Advanced Setup menu is
Advanced Setup
ENTER
Lamp
Pattern
Dust Filter
Off
High Altitude Mode
Password
Key Lock
Reset All Settings
ISF
S-Video
Lamp
Lamp Power
Whisper
ENTER
Lamp Hours
Reset Lamp Timer
Lamp Hours
Lamp Hours Nor.
100hr
Lamp Hours Eco.
150hr
Lamp Rest Rate
System Setup
Language
English
Splash Screen
My Screen
Projector Position
Floor Front
Auto Off
Disable
Sleep Timer
Disable
Background Color
Menu Settings
Input Source
Auto Source Search
S-Video
/ .
/
to select a time period. The time
Additional information
EXIT Back
EXIT Back
90%
EXIT Back
BenQ
Blue
On
EXIT Back
43
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