Toshiba 46H83 Owner's Manual page 57

Viewing the demo mode
The demo mode automatically demonstrates several of your TV's
features. This function is provided for demonstration purposes only.
To start the demo:
Press and hold MENU on the TV front panel for 4 seconds.
To stop the demo:
Press RECALL, EXIT, or POWER.
Understanding the auto power off feature
The TV will automatically turn itself off after approximately 15
minutes if it is tuned to a vacant channel or a station that completes
its broadcast for tile day. This feature does not work in VIDEO mode.
Understanding the last mode memory feature
If the power is cut offwhile you are viewing the TV, the Last Mode
Memory feature turns the TV on automatically when the power is
resupplied.
If the power is going to be offfor a long time and you are going to be
away from your TV, urlplug the power cord to prevent the TV from
turning on in your absence.
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