Using the TV’s menus

AUTO SHUTOFF

You can set your TV to turn off if no signals are received for about 15 minutes or longer after the end of a broadcast.

1Press MENU Tto display the

“MENU 2” menu, then select “AUTO SHUTOFF”.

 

 

MENU

2

 

 

AUTO SHUTOFF

ON

 

 

CHILD LOCK

ON

 

 

BLUE BACK

ON

 

 

VIDEO-2 SET

COMPONENT

 

SELECT BY

EXIT BY

 

OPERATE BY -+

DISPLAY

 

 

 

 

2Press MENU / to select “ON”.

To cancel the AUTO SHUTOFF function, select “OFF”.

The AUTO SHUTOFF function does not turn off the TV’s main power.

The AUTO SHUTOFF will not work for a VIDEO mode.

CHILD LOCK

You can disable the front control buttons of the TV.

When this function is set to “ON”, the TV can be operated using only the remote control.

Use this function to prevent children from operating the TV without parental consent.

1Press MENU Tto display the

“MENU 2” menu, then select “CHILD LOCK”.

 

 

MENU

2

 

 

AUTO SHUTOFF

ON

 

 

CHILD LOCK

ON

 

 

BLUE BACK

ON

 

 

VIDEO-2 SET

COMPONENT

 

SELECT BY

EXIT BY

 

OPERATE BY -+

DISPLAY

 

 

 

 

2Press MENU / to select “ON”.

To cancel the CHILD LOCK function, select “OFF”.

The CHILD LOCK function is canceled when you turn the power off.

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

 

 

VIDEO-2 SET

COMPONENT

 

SELECT BY

EXIT BY

 

OPERATE BY -+

DISPLAY

 

 

 

 

2Press MENU / to select “ON”.

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

To view a broadcast even when the recep- tion signal is poor, set the BLUE BACK func- tion to “OFF”.

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

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JVC AV-21D83, AV-20N83, AV-25K83 Auto Shutoff, Blue Back, Press Menu Tto display Menu 2 menu, then select Child Lock

AV-25K83, AV-21D83, AV-20N83 specifications

The JVC AV-20N83, AV-21D83, and AV-25K83 are part of JVC's renowned line of CRT televisions that offered a blend of advanced technology and consumer-friendly features. These models, although classic by today's standards, played a significant role in the evolution of home entertainment systems during their production era.

The JVC AV-20N83 is a 20-inch model that was designed with a compact footprint, making it ideal for smaller living spaces such as apartments and dorm rooms. It features a 4:3 aspect ratio, which was the standard for television programming at the time. This model incorporates JVC’s proprietary color technology, which enhanced picture clarity and vibrant color reproduction. Its built-in stereo sound system delivered clear audio, providing an immersive viewing experience that complemented the high-quality visuals.

The AV-21D83, a slightly larger 21-inch variant, built upon the strengths of the AV-20N83. This model was equipped with a range of connectivity options, including composite and RF inputs, making it suitable for various external devices such as VCRs and gaming consoles. The AV-21D83 also featured an enhanced audio system, allowing for a richer sound experience. One of its standout characteristics was the ease of operation. The user-friendly remote control made switching channels and adjusting settings simple, enhancing the overall user experience.

The AV-25K83, the largest of the three at 25 inches, was a compelling option for families looking to enjoy movie nights or gaming sessions. This model boasted advanced picture processing technology, ensuring high-quality images with minimal distortion. The 25-inch screen size offered a more immersive viewing experience, making it a popular choice for larger rooms. The AV-25K83 included features such as sleep timer and parental control settings, which catered to family needs and preferences.

All three models were equipped with JVC’s reliable build quality, ensuring durability and longevity. While these CRT televisions have been surpassed by modern flat-screen technology, the JVC AV-20N83, AV-21D83, and AV-25K83 remain significant for their contributions to the development of consumer television. Their combination of advanced picture clarity, sound quality, and user-centric features laid the groundwork for the rich home entertainment experiences we enjoy today.