BenQ EH600 User Manual - Page 96

Extending lamp life, Advanced Menu - Settings - specs

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Time used in LampSave mode = a hours 2. Equivalent light source hour = α hours α = x(A' / X) + y(A'/Y) + z(A'/Z) + a(A'/A), if X= lamp life spec of Normal mode Y= lamp life spec of Economic mode Z= lamp life spec of SmartEco mode A= lamp life spec of LampSave mode A' is the longest lamp life spec among X, Y, Z, A When you calculate Equivalent Lamp hour manually, it will probably have deviation from the value shown in OSD menu since projector system calculates time used for each lamp mode in "Minutes" then rounds down to an integer in hours shown in OSD. For time used in each lamp mode shown in OSD menu: • Time used is accumulated and rounded down to an integer in hours. • When time used is less than 1 hour, it shows 0 hours. To obtain the lamp hour information: 1. Go to Advanced Menu - Settings > Light Settings and press OK. The Light Settings page appears. 2. Press to select Light Usage Time and press OK. The Light Usage Time information is displayed. You can also get the lamp hour information on the Information menu. Extending lamp life • Setting the Light Mode Go to Advanced Menu - Settings > Light Settings > Light Mode and select a suitable lamp power from among the provided modes. Setting the projector in Economic, SmartEco or LampSave mode extends lamp life. Lamp mode Normal Economic SmartEco LampSave Description Provides full lamp brightness Lowers brightness to extend the lamp life and decreases the fan noise Adjusts the lamp power automatically depending on the content brightness level while optimizing display quality Adjusts the lamp power automatically depending on the content brightness level while offering a longer lamp life • Setting Auto Power Off This function allows the projector to turn off automatically if no input signal is detected after a set period of time to prevent unnecessary waste of lamp life. To set Auto Power Off, go to Advanced Menu - Settings > Operation Settings > Power On/Off Settings > Auto Power Off and press / . 96 Maintenance

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96
Maintenance
Time used in
LampSave
mode = a hours
2.
Equivalent light source hour =
α
hours
α
= x(A’ / X) + y(A’/Y) + z(A’/Z) + a(A’/A), if
X= lamp life spec of
Normal
mode
Y= lamp life spec of
Economic
mode
Z= lamp life spec of
SmartEco
mode
A= lamp life spec of
LampSave
mode
A’ is the longest lamp life spec among X, Y, Z, A
To obtain the lamp hour information:
1.
Go to
Advanced Menu - Settings
>
Light Settings
and press
OK
. The
Light Settings
page
appears.
2.
Press
to select
Light Usage Time
and press
OK
. The
Light Usage Time
information is
displayed.
You can also get the lamp hour information on the
Information
menu.
Extending lamp life
• Setting the
Light Mode
Go to
Advanced Menu - Settings
>
Light Settings
>
Light Mode
and select a suitable lamp
power from among the provided modes.
Setting the projector in
Economic
,
SmartEco
or
LampSave
mode extends lamp life.
• Setting
Auto Power Off
This function allows the projector to turn off automatically if no input signal is detected after a set
period of time to prevent unnecessary waste of lamp life.
To set
Auto Power Off
, go to
Advanced Menu - Settings
>
Operation Settings
>
Power
On/Off Settings
>
Auto Power Off
and press
/
.
When you calculate Equivalent Lamp hour manually, it will probably have deviation from the value shown in OSD
menu since projector system calculates time used for each lamp mode in “Minutes” then rounds down to an integer
in hours shown in OSD.
For time used in each lamp mode shown in OSD menu:
• Time used is accumulated and rounded down to an integer in
hours
.
• When time used is less than 1 hour, it shows 0 hours.
Lamp mode
Description
Normal
Provides full lamp brightness
Economic
Lowers brightness to extend the lamp life and decreases the fan noise
SmartEco
Adjusts the lamp power automatically depending on the content brightness level while
optimizing display quality
LampSave
Adjusts the lamp power automatically depending on the content brightness level while
offering a longer lamp life