LG HW964TZ Manual

The LG HW964TZ is a high-performance home theater system featuring Dolby Atmos and DTS:X support, wireless rear speakers, 4K Ultra HD pass-through, Bluetooth connectivity, Google Assistant and Amazon Alexa compatibility, Meridian audio technology, and a powerful subwoofer. 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. Wireless Features 8. Sound Modes & Calibration 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Soundbar with built-in Dolby Atmos speakers, Wireless Subwoofer, Wireless Rear Speakers, Remote Control, HDMI ports, Optical input, USB port, Bluetooth antenna.

Feature	Description
Dolby Atmos/DTS:X	Immersive 3D surround sound technology
Wireless Rear Speakers	For true surround sound without cables
4K Ultra HD Pass-through	Supports 4K HDR video via HDMI
Bluetooth Connectivity	For wireless audio streaming from devices
Google Assistant/Alexa	Voice control compatibility
Meridian Audio Technology	Enhanced sound processing and tuning
HDMI Inputs/Output	Multiple HDMI inputs with ARC/eARC support
Optical Input	For TV or other digital audio sources
USB Port	For playing audio files from USB drives
Auto Volume Leveler	Maintains consistent volume across content

Installation

Unpack and inspect all components. Place soundbar below TV, subwoofer near wall, rear speakers behind seating area.

Connect soundbar to TV: Use HDMI ARC/eARC port for best audio.
Power on wireless subwoofer and rear speakers: They should auto-pair with soundbar.
Connect additional devices: Use HDMI inputs for Blu-ray player, gaming console, etc.
Plug soundbar into AC power.

WARNING! Ensure proper ventilation; do not block vents. Keep away from heat sources.

First-Time Setup

Power on system; follow on-screen prompts if connected via HDMI.

Auto pairing: Ensure subwoofer and rear speakers are powered; they should sync automatically.
Select input source: Press INPUT on remote to choose HDMI, Optical, or Bluetooth.
Run sound calibration: Use LG Sound Sync or manual calibration in settings.
Connect to Wi-Fi: For firmware updates and smart features.

CAUTION! Place rear speakers at least 1 meter apart for optimal surround effect.

Specifications

Audio Channels: 5.1.2 channels (Dolby Atmos).
Total Power Output: 600W RMS.
Connectivity: HDMI 2.1 (3 inputs, 1 output with eARC), Optical, Bluetooth 5.0, USB, Wi-Fi.
Supported Audio Formats: Dolby Atmos, DTS:X, Dolby Digital, DTS Digital Surround.
Sound Modes: Movie, Music, Game, Standard, AI Sound Pro.
Voice Assistants: Google Assistant, Amazon Alexa built-in.
Subwoofer: Wireless, 200W, down-firing.
Power Source: 120V AC, 60Hz.
Dimensions (Soundbar): 48 inches wide.

Controls and Settings

Access settings via remote or LG Sound Bar app. Front Panel: POWER, INPUT, VOLUME, BLUETOOTH.

Remote: POWER, INPUT, VOLUME, MUTE, SOUND MODE, VOICE ASSISTANT, SETTINGS, BLUETOOTH.

Sound Settings: Adjust EQ (Bass, Treble, Center Level), Surround Level, Height Effect, Night Mode. Network: Wi-Fi setup, firmware update. General: Auto Power, LED Dimmer, Remote Control Lock. Voice Assistant: Enable/disable Google Assistant or Alexa.

Connecting Devices

TV: HDMI ARC/eARC or Optical cable. External devices: HDMI inputs. Bluetooth: Pair from device.

Turn off all devices before connecting cables.
Use high-speed HDMI cables for 4K HDR content.
Select corresponding input on soundbar (HDMI 1, HDMI 2, Optical, Bluetooth).

Tip: Enable HDMI-CEC in TV settings for single remote control.

Wireless Features

Bluetooth streaming, wireless rear speakers, Wi-Fi connectivity.

Bluetooth pairing: Press BLUETOOTH button, select "LG HW964TZ" on your device.
Wi-Fi setup: Use LG Sound Bar app to connect to home network.
Wireless rear speakers: Power on; they auto-pair. Use app to adjust delay/level.
Multi-room audio: Compatible with LG Music Flow speakers.

WARNING! Keep Bluetooth devices within 10 meters for stable connection.

Sound Modes & Calibration

AI Sound Pro: Automatically adjusts sound based on content. Manual modes: Movie, Music, Game, Standard. Meridian Horizon: Optimizes sound for non-Atmos content. Calibration: Use built-in microphone or manual adjustment in app.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth; avoid liquids. Clean vents with soft brush.

CAUTION! Do not use abrasive cleaners; do not open unit.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. ICES-003: Complies with Canadian standards. Copyright © 2023 LG Electronics Inc. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from rear speakers	Pairing issue/power	Re-pair speakers via app; ensure power is on.
Bluetooth not connecting	Distance/interference	Move device closer; remove obstacles; restart pairing.
HDMI ARC not working	TV settings/cable	Enable HDMI-CEC/ARC on TV; use certified HDMI cable.
Subwoofer no sound	Power/wireless interference	Check power LED; move subwoofer closer to soundbar.
Sound out of sync	Audio delay settings	Adjust AV Sync in soundbar settings or TV settings.

Reset: Hold POWER button on soundbar for 10 seconds to factory reset.

Service: 1-800-243-0000; www.lg.com