Sony KDL-40R450A - Manual (Page 52)

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Using the Eco Settings
Option Description
Reset Resets the current Eco settings to the default values.
Power Saving Select from Off, Low, High, Picture Off to adjust your TV’s power consumption.
By selecting the High option, you will reduce the power consumption more than
the other available settings.
While Picture Off is set, pressing VOL +/– or MUTING buttons will not disable this
function. Press other buttons to disable it.
Idle TV
Standby Select to automatically power off the TV after 1 h, 2 h, or 4 h when no buttons are
pressed on the remote control or the TV. Select Off to disable this function.
Light Sensor Optimizes the picture settings according to the ambient lighting.
Auto Shut Off Select On to automatically power off the TV when no input signal is detected for a
certain period of time. Select Off to disable this function.