ViewSonic PX749-4K - Page 53

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Menu Option Description
Light Source Settings
Light Source Mode
 Normal: Provides full light source brightness.
 Eco: Reduces light source power consumpon by 30%
and lowers brightness to extend the light source life and
decreases the fan noise.
 Dynamic Eco: Reduces light source power consumpon by
up to 70% depending on the content brightness level.
 SuperEco+: Reduces light source power consumpon by
55% and lowers brightness to extend the light source life
and decreases the fan noise.
NOTE: To control the light source temperature, Eco Mode will
be switched on for 10 minutes every 4 hours when the
Light Source Mode is set as SuperEco+.
NOTE: Color Mode and Reset Color Sengs will not be available
when the Light Source Mode is set as SuperEco+.
Reset Light Source Hours
Resets the light source timer after a new light source is
installed. For changing the light source, please contact qualified
service personnel.
Light Source Hours Information
 Light Source Usage Time: Displays the number of hours
the light source has been used.
 Equivalent Light Source Hour: Displays the overall light
source life. The method of calculang the equivalent light
source hour is as follows:
Total (equivalent) Light source Hour = 4 x (hours used in
Normal mode) + 2 x (hours used in Eco mode) + 1.67 x
(hours used in Dynamic Eco mode) + 1 x (hours used in
SuperEco+ mode)
Reset Settings
Returns all settings to the factory preset values. When
using Reset Settings, the following settings will still
remain: Language, Projector Position, High Altitude Mode,
Security Settings, Remote Control Code, 3D Settings,
Corner Adj., Keystone, Baud Rate, Warping, Control Method,
USB A Power.