Remote control buttons and functions

ECO SENSOR button

You can adjust this TV so that the screen automatically adjusts to the optimum contrast according to the brightness of your room. This function reduces eye strain and the power consumption of this TV.

Press this button to select the desired mode.

DIGITAL ECO SENSOR DISPLAY:

The ECO SENSOR function switches on. In this mode, 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.

DIGITAL ECO SENSOR:

The ECO SENSOR function switches on. However, in this mode, the clover mark will not be displayed.

DIGITAL ECO SENSOR OFF:

The ECO SENSOR function switches off.

PICTURE MODE button

You can select one of three picture adjustment settings as you like.

Press this button to select a mode.

BRIGHT:

Heightens contrast and sharpness.

STANDARD:

Standardizes picture adjustments.

SOFT:

Softens contrast and sharpness.

•Pressing this button returns all the picture set- tings in “MENU 4” to their default settings.

COLOUR SYSTEM button

If the picture is not clear or no colour appears, change the current colour system to another colour system.

Press this button to select the colour system.

In TV mode:

AUTO PAL SECAM

In VIDEO mode:

AUTO PAL SECAM

NTSC4.43 NTSC3.58

AUTO:

Automatic colour system selection.

•For the colour systems in each country or region, see the table“Broadcasting systems” on page 22.

•If the picture is not normal in the AUTO mode, change the AUTO mode to another colour system.

SOUND SYSTEM button

When this button is pressed, “B/G” is displayed, however, it cannot change to the another sound system. Nothing is displayed when this button is pressed in VIDEO mode.

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.

JVC AV-25K83 Remote control buttons and functions, ECO Sensor button, Picture Mode button

Models: AV-25K83 AV-21D83 AV-20N83