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JVC AV-21LT3 User Manual

JVC AV-21LT3
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LCT1188-001A-H
0502-Ki-NIC-JMT
© 2002 VICTOR COMPANY OF JAPAN, LIMITED
COLOUR TELEVISION
INSTRUCTIONS
Thank you for buying this JVC
colour television.
To make sure you understand how to
use your new TV, please read this
manual thoroughly before you begin.
AV-14A3
AV-14F3
AV-1435
AV-1438
AV-20N3
AV-21D3
AV-21E3
AV-21F3
AV-21FR3
AV-21LT3
AV-21LTR3
AV-21Q3
Contents
Safety precautions 2
Preparation 3
1 Confirm which remote control you have
......
3
2 Inserting the batteries
...................................
3
3
Connecting the aerial and external devices
...
4
4 Connecting the power cord
........................
6
5 SETUP TOUR
..............................................
6
Basic operation 7
Remote control buttons and functions 8
ECO SENSOR button
.....................................
8
PICTURE MODE button
.................................
8
COLOUR SYSTEM button
.............................
8
SOUND SYSTEM button
...............................
8
DISPLAY button
.............................................
9
RETURN + button
..........................................
9
CHANNEL SCAN button
................................
9
MUTING button
.............................................
9
OFF TIMER button
.........................................
9
Viewing teletext programmes 10, 11
Using the TV’s menus 12
Basic operation
............................................
12
ON TIMER
.....................................................
13
INPUT
...........................................................
13
VNR
...............................................................
14
AUTO SHUTOFF
..........................................
14
CHILD LOCK
.................................................
14
BLUE BACK
..................................................
15
AI ECO DISPLAY
..........................................
15
SETUP TOUR
...............................................
16
LANGUAGE
..................................................
16
AUTO CH PRESET
.......................................
16
MANUAL CH PRESET
..................................
17
SKIP
..............................................................
18
Picture Adjustments
....................................
18
Using the buttons on the TV 19
Troubleshooting 21
Specifications 22
LCT1188-001A-H_Cover 20/5/2002, 10:332-3
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JVC AV-21LT3 Specifications

General IconGeneral
Screen Size21 inches
Display TechnologyCRT
Aspect Ratio4:3
Input/Output ConnectorsRF, Composite
InputsComposite, RF

Summary

Safety Precautions

Preparation

Confirm Remote Control Type

Identify the TV's included remote control model for function differences.

Insert Batteries into Remote

Instructions for correctly inserting batteries into the remote control unit.

Connect Aerial and External Devices

Guide to connecting TV aerials and external devices like VCRs.

Connect Other External Devices

Instructions for connecting devices like camcorders and TV games.

Connect Power Cord

Steps for connecting the TV's power cord to an AC outlet.

Setup Tour Guide

Initial on-screen setup procedure for language and channel tuning.

Basic Operation

Turn TV On

How to power on the television using the remote or main power button.

Select TV Channel

Methods for changing channels using number buttons or channel up/down.

Adjust Volume

Instructions for adjusting the TV's sound volume using the remote.

Turn TV Off

How to power off the television and recommendations for long-term storage.

Remote Control Buttons and Functions

ECO SENSOR Button

Adjusts screen contrast based on room brightness for eye comfort and power saving.

Picture Mode Button

Selects preset picture adjustment settings like Bright, Standard, or Soft.

Colour System Button

Changes the current colour system (PAL, SECAM, NTSC) for clear picture display.

Sound System Button

Selects the appropriate sound system for clear audio output.

Display Button

Toggles the display of current channel number or video mode on the screen.

Return Plus Button

Sets and recalls a frequently viewed channel for quick switching.

Channel Scan Button

Scans through available TV channels to find desired programmes.

Muting Button

Instantly turns the TV sound off and on.

Off Timer Button

Sets the TV to automatically turn off after a specified time period.

Viewing Teletext Programmes

Teletext Basic Operation

Steps to select a teletext channel and switch TV mode to teletext.

Teletext Reveal Function

Displays hidden text on teletext pages, such as answers or clues.

Teletext Hold Function

Keeps a teletext page displayed on screen even while switching pages.

Teletext Cancel Function

Allows watching TV programmes while in teletext mode or returning to teletext page.

Teletext Index Function

Instantly returns to the teletext index page (page 100).

Teletext Subpage Function

Allows navigating and holding specific sub-pages within teletext.

Teletext Size Function

Doubles the height of the teletext display for improved readability.

Using the TV's Menus

Menu Basic Operation

Overview of navigating and operating TV functions using the on-screen menus.

On Timer Menu Function

Sets the TV to automatically turn on at a specified time and channel.

Input Menu Function

Selects the video source (TV, VCR, etc.) for viewing external devices.

VNR (Video Noise Reduction) Menu

Reduces picture noise for a clearer, cleaner image.

Auto Shutoff Menu Function

Automatically turns off the TV after a period of inactivity or no signal.

Child Lock Menu Function

Disables front panel buttons, allowing operation only via remote control.

Blue Back Menu Function

Mutes sound and displays a blue screen when no signal is received.

AI Eco Display Menu Function

Shows the effect of the AI ECO SENSOR on screen brightness.

Setup Tour Menu Function

Starts the initial setup tour for language and automatic channel presetting.

Language Menu Function

Selects the language for on-screen display menus and messages.

Auto Channel Preset Function

Automatically scans and presets all receivable TV channels.

Manual Channel Preset Function

Manually tunes and presets desired TV channels to specific channel numbers.

Skip Channel Function

Sets channels to be skipped during channel selection via remote or scan.

Picture Adjustments Menu

Adjusts picture settings like Tint, Colour, Brightness, Contrast, and Sharpness.

Using the Buttons on the TV

TV Buttons Overview

Identification and function of buttons on different TV models' front panels.

TV Buttons Basic Operation

Basic TV operations using front panel buttons like channel and volume.

Operating Menus via TV Buttons

How to navigate and operate TV menus using the physical buttons on the unit.

Troubleshooting

Troubleshooting: Cannot Turn TV On

Solutions for the TV not responding to power commands.

Troubleshooting: Screen Issues

Fixes for screen turning blue or poor picture quality, including noise.

Troubleshooting: Remote Control

Steps to resolve issues with the remote control not working.

Troubleshooting: TV Buttons

Solutions when front panel TV buttons are unresponsive or locked.

Troubleshooting: TV Response

Addresses issues where the TV does not respond immediately or turns off/on suddenly.

Troubleshooting: Sound Issues

Solutions for poor sound quality or audio system selection.

Troubleshooting: Teletext

Guidance for when no teletext programmes can be received.

Specifications

TV RF Systems and Colour Systems

Details on supported RF frequency bands and colour system standards.

Receiving Channels and I/O Ports

Information on receivable channels and external input/output connections.

Teletext and Language Support

Specifies teletext systems and languages supported by the TV.

Accessories and Broadcasting Systems

Lists included accessories and details broadcasting system compatibility by region.

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