JVC lt-23x576 ユーザーズマニュアル

Refer to “Using the TV’s menu” (see page 14) for details of 
displaying the menu.

You can set the TV to automatically change to a blue screen
and mute the sound if the signal is weak or absent, or when

there is no input from an external device.
ON:
This function is turned on.
OFF:
This function is turned off.

This allows you to lock the keys on the front of the TV, so 
that a child may not accidentally change your viewing 

preferences.

shut off when received no signal after 9 minutes. 

When the AUTO SHUT OFF mode is on, the TV will

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