ViewSonic PX747-4K PX727-4K User Guide English - Page 42

Extending lamp life, Timing of replacing the lamp, Setting Lamp Mode, Setting Auto Power Off

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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 = 3.0 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. Lamp mode Description Normal Eco Dynamic SuperEco Provides full lamp brightness. Reduces lamp power consumption by 30% and lowers brightness to extend the lamp life and decreases the fan noise. Reduces lamp power consumption by up to 70% depending on the content brightness level. Reduces lamp power consumption by 70% and lowers brightness to extend the lamp life and decreases the fan noise. 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 38 for details. 37

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37
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 = 3.0 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 38
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.