LG 42LS55A Owner's Manual page 33

CAUTION
If a fixed image is displayed on the screen for a long period of time, it will be imprinted and become
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a permanent disfigurement on the screen. This image burn or burn-in is not covered by the warranty.
If the aspect ratio is set to 4:3 for a long period of time, image burn may occur on the letterboxed
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area of the screen.
The options may differ depending on the model.
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Depending on the input signal, the available aspect ratio may differ.
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You can select only 4:3 and 16:9 aspect ratios in HDMI1-PC/ HDMI2-PC/ DisplayPort-PC/ DVI-PC
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input mode.
To use the Energy Saving function
Remote Control (SETTINGS)
Reduces power consumption by adjusting the brightness of the screen.
Auto: adjusts the brightness of the monitor according to ambient light. (This feature is available only
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with certain models.)
Off: disables the Energy Saving mode.
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Minimum/Medium/Maximum: uses the Energy Saving according to the Energy Saving level
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Screen Off: turns off the screen. You will only hear audio. You can turn on the screen again by
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pressing any button on the remote control except the power button.
To use the Smart Energy Saving function
Remote Control (SETTINGS)
According to picture brightness, the brightness of the monitor will be adjusted automatically to save
energy.
Off: disables the Smart Energy Saving function.
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On: enables the Smart Energy Saving function.
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To run a Picture Test
Remote Control (SETTINGS)
Run a Picture Test to check that picture signals are outputted normally, then solve any problems by
selecting the relevant option on the screen. If there are no problems with the Test Picture, check
connected external devices.
Picture Energy Saving
specified for your monitor.
Picture Smart Energy Saving
Picture Picture Test
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USER SETTINGS