ViewSonic TD2340 User Manual page 19

Control Explanation
Auto Power Off, if enabled, will power off the display automatically when no
signal is detected for 3 minutes.
Sleep Set up the auto power off time for 30/45/60/120 minutes. (It's active in
HDMI mode only)
Power Indicator allows the user to select the Power Indicator On/Off for Power
On/Off mode.
Memory Recall returns the adjustments back to factory settings if the display is
operating in a supported timing mode listed in the specification of this manual.
Exception: This control does not affect changes made with the Language Select
and Power Lock setting.
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