JVC AV-21U3 BLUE BACK, AI ECO DISPLAY, Press MENU, Press MENU, Press MENU, 1Press MENU Tto display the, 2Press MENU Mto select “ON”, 2Press MENU Mto select “ON”

Using the TV’s menus

BLUE BACK

You can mute the sound and change the picture into a blue screen while no signals are received by the TV, or when the signals are unstable.

1Press MENU Tto display the

“MENU 2” menu, then select “BLUE BACK”.

MENU	2
AUTO SHUTOFF	ON
CHILD LOCK	ON
BLUE BACK	ON
AI ECO DISPLAY	ON
SELECT BY	EXIT BY
OPERATE BY -+	DISPLAY

2Press MENU Mto select “ON”.

To cancel the BLUE BACK function, select “OFF”.

•To view a broadcast even when the reception signal is poor, set the BLUE BACK function to “OFF”.

•Even when the BLUE BACK function is set to “OFF”, the sound may not be audible.

AI ECO DISPLAY

<AV-14A3 and AV-21U3 do not have this function.>

You can display on the screen the effect of the AI ECO SENSOR function.

1Press MENU Tto display the “MENU 2” menu, then select “AI ECO DISPLAY”.

MENU	2
AUTO SHUTOFF	OFF
CHILD LOCK	OFF
BLUE BACK	OFF
AI ECO DISPLAY	ON
SELECT BY	EXIT BY
OPERATE BY -+	DISPLAY

2Press MENU Mto select “ON”.

The clover mark indicating the brightness of your room is displayed for several seconds each time the brightness changes. The number of clover marks displayed on screen increases as your room becomes darker.

To cancel the AI ECO DISPLAY function, select “OFF”.

•To switch the AI ECO SENSOR’s mode, see the “ECO SENSOR button” on page 8.

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