Curtech CT-K140 User Manual

The Curtech CT-K140 is a 14-inch portable LCD TV with built-in digital tuner, multiple input options, and energy-efficient design. Featuring HDMI, USB media playback, headphone jack, remote control, sleep timer, and parental controls (default password 0000). Powered by 100-240V AC, 50/60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. USB Media Playback 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD panel with digital tuner, Remote Control, HDMI port, USB port, Headphone jack, AV IN jacks, Coaxial input.

Feature	Description
Coaxial input	For antenna or cable connection
HDMI port	For high-definition video and audio connection
USB port	For media playback from USB drives
Headphone jack	For private audio listening
AC input connector	For power connection
AV IN jacks	Composite video and L/R audio inputs
POWER	Turns TV on/off
MENU	Accesses main settings menu
INPUT	Cycles through input sources
VOLUME +/-	Adjusts audio level

Installation

Unpack and inspect contents. Place on stable surface.

Connect antenna or cable: Attach coaxial cable to antenna connector.
Connect video sources: Use HDMI for digital devices; AV IN for composite video.
Connect USB device: Insert USB drive for media playback.
Plug into AC power.

WARNING! Ensure proper ventilation; do not block ventilation openings.

First-Time Setup

Power on TV; follow on-screen prompts.

Auto-tune channels: Press MENU, select Channel Setup, choose Auto Scan.
Set language: In System menu, select preferred language.
Adjust picture settings: Use Picture menu for brightness, contrast, etc.
Set time and date: In System menu, configure clock settings.

CAUTION! Keep away from heat sources and direct sunlight.

Specifications

Screen Size: 14 inches LCD.
Tuner: Digital/analog tuner.
Sound: Built-in stereo speakers, audio equalizer.
Terminals: HDMI, USB, Coaxial, AV IN, Headphone jack.
Media Playback: Supports video, photo, and music files from USB.
Supported formats: MP4, AVI, JPEG, MP3.
Power Source: 100-240V AC, 50/60Hz.
Operating Temp: 5°C to 35°C.

Controls and Settings

Access OSD via MENU button. Front Panel: POWER, MENU, VOLUME, INPUT.

Remote: POWER, Numeric buttons, MENU, INPUT, VOLUME, MUTE, EXIT, GUIDE, INFO.

Picture: BRIGHTNESS, CONTRAST, COLOR, SHARPNESS, backlight, color temperature. Audio: BASS, TREBLE, balance, equalizer presets. Channel: Auto scan, manual tuning, favorite list. System: Language, time setup, parental control, factory reset.

Connecting Devices

Antenna: Coaxial connector. HDMI: For HD devices. AV: Composite video/audio. USB: For media playback.

Turn off TV before connecting devices.
Match cables to correct ports.
Select input source via INPUT button (TV, HDMI, AV, USB).

Tip: Use high-quality HDMI cables for best picture quality.

USB Media Playback

Supports video, photo, and audio files from USB storage.

Insert USB: Connect USB drive to USB port.
Select source: Press INPUT, choose USB.
Navigate: Use arrow buttons to select files.
Play: Press OK to play selected media.
Control: Use PLAY/PAUSE, STOP, PREV/NEXT during playback.
Photo slideshow: Auto-advance with adjustable interval.
Music playback: Supports playlist and repeat modes.

WARNING! Safely remove USB drive using on-screen option before disconnecting.

Accessibility Features

Closed Captions: Enable in System menu (Digital CC, Analog CC). Parental Controls: Set rating limits in Parental menu (password 0000). Sleep Timer: Set auto power-off in Timer menu.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen; mild cleaner for cabinet if needed.

CAUTION! Never use abrasive cleaners or spray directly on screen.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet.
No signal	Input selection/cables	Select correct input; check cable connections.
Remote not working	Batteries/obstruction	Replace batteries; point directly at IR sensor.
USB not recognized	Format/compatibility	Use FAT32 format; check supported file types.
Poor picture quality	Signal/settings	Check antenna connection; adjust picture settings.

Reset: Menu > System > Factory Reset if needed.

Service: 1-800-555-0123; www.curtechsupport.com