bose 321 iii manual

The Bose 321 III is a premium home entertainment system featuring a 2.1 channel speaker configuration with a hideaway Acoustimass module, a media center with integrated DVD/CD player, AM/FM tuner, and universal remote control. It delivers room-filling sound from a minimalist design. 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. Playing Media 8. System Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Media Center (DVD/CD player, AM/FM tuner), Two Direct/Reflecting cube speakers, Hideaway Acoustimass module, Universal Remote Control, and connection cables.

FeatureDescription
Media CenterCentral control unit with DVD/CD player and AM/FM tuner
Direct/Reflecting SpeakersTwo cube speakers for wide, spatial sound
Acoustimass ModuleHideaway bass unit for powerful low frequencies
Universal RemoteControls system, TV, and other components
Video InputsComposite and S-Video inputs for external sources
Audio InputsAnalog audio inputs for additional devices
POWERTurns system on/off
VOLUMEAdjusts master volume level
INPUT SELECTCycles between DVD, AUX, TUNER sources
OPEN/CLOSEEjects disc from media center

Installation

Unpack and inspect all components. Choose a stable location for the media center and speakers.

  1. Place Speakers: Position cube speakers at ear level, ideally on speaker stands or shelves.
  2. Place Acoustimass Module: Hide module behind furniture or in a corner (not in an enclosed cabinet).
  3. Connect Speakers: Use color-coded cables to connect cube speakers and module to media center.
  4. Connect TV: Use included video cable (composite or S-Video) from media center to TV.
  5. Connect Power: Plug media center and module into AC outlets.

WARNING! Ensure all connections are secure before powering on. Do not place module in an airtight enclosure.

First-Time Setup

Power on the system; the media center display will light up.

  1. Remote Setup: Insert batteries into universal remote.
  2. Source Selection: Press INPUT SELECT on remote or media center to choose DVD, TUNER, or AUX.
  3. Tuner Setup: For AM/FM, press TUNER, then use TUNE/SCAN to find stations; store presets.
  4. TV Connection: Ensure TV is set to correct video input (e.g., VIDEO 1).
  5. Volume Calibration: Use TEST TONE feature in setup menu to balance speaker levels.

CAUTION! Keep speaker cables away from power cords to avoid interference.

Specifications

Controls and Settings

Access menus via remote or front panel buttons. Media Center Front: POWER, OPEN/CLOSE, INPUT SELECT, VOLUME knob.

Remote: POWER, Numeric buttons, VOLUME, MUTE, INPUT SELECT, MENU, NAVIGATION arrows, PLAY, STOP, etc.

Audio Settings: Bass, Treble, Balance, Loudness. Video Settings: TV Type (4:3, 16:9), Output Format. Tuner Settings: Auto-scan, Manual tune, Preset memory. System Settings: Display brightness, Sleep timer, Remote code learning.

Connecting Devices

External Audio: Connect to AUX INPUT jacks on rear. External Video: Connect to VIDEO INPUT jacks.

  1. Turn off system and external device before connecting.
  2. Use RCA cables for audio/video connections.
  3. Select corresponding input (AUX) on media center.

Tip: Use high-quality cables for best audio and video performance.

Playing Media

Supports DVD-Video, audio CDs, and MP3 CDs.

  1. Insert disc: Press OPEN/CLOSE, load media label-side up.
  2. Play: Press PLAY; use navigation for titles/chapters or tracks.
  3. Stop: Press STOP; system remembers last stop point (resume).
  4. Skip: PREV/NEXT for chapters or tracks.
  5. Repeat/Shuffle: Access via on-screen menu or remote.
  6. Soundtracks/Angles: Use AUDIO and ANGLE buttons if available on disc.
  7. MP3 CD Navigation: Use folder navigation to browse files.

WARNING! Do not use damaged or irregularly shaped discs. Keep discs clean.

System Features

ADAPTiQ Audio Calibration: Optional system for optimizing sound to your room (if equipped). Night Mode: Compresses dynamic range for quieter listening. Parental Controls: Limit DVD playback by rating (default password may be 0000 or 1111).

Care & Cleaning

Unplug system before cleaning. Wipe media center and speakers with soft, dry cloth. Clean disc lens only with approved CD/DVD lens cleaner.

CAUTION! Do not use liquids or abrasive cleaners on speakers or media center. Avoid heat and moisture.

Regulatory Information

FCC Compliance: This device complies with Part 15 of the FCC Rules. Copyright © Bose Corporation. All trademarks are property of Bose Corporation. For support, visit www.bose.com or contact Bose Customer Service.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord/outletEnsure power cord is securely connected; try different outlet.
No sound from speakersConnections/volumeCheck speaker wire connections; ensure volume is up; press MUTE.
Remote not workingBatteries/obstructionsReplace batteries; ensure clear path to media center IR sensor.
Disc not playingDisc format/damageEnsure disc is compatible and clean; eject and reinsert.
Poor radio receptionAntenna placementFully extend AM loop antenna; reposition FM wire antenna.
No video pictureTV input/cablesEnsure TV is on correct input; check video cable connections.

Reset: Unplug media center for 60 seconds, then reconnect power.

Service: Contact Bose Customer Support or authorized service center.

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