Gravity MGR-208BT

Gravity MGR-208BT Marine Stereo and Speaker System User Manual

Model: MGR-208BT

1. Uvod in konecview

This manual provides detailed instructions for the installation, operation, and maintenance of your Gravity MGR-208BT Marine Stereo and Speaker System. Designed for marine environments, this system features a waterproof stereo receiver and 6.5-inch marine speakers with built-in LED lights, Bluetooth connectivity, and various audio playback options.

Gravity MGR-208BT Marine Stereo and Speaker System

Image 1.1: The Gravity MGR-208BT Marine Stereo unit with two 6.5-inch marine speakers.

2. Varnostne informacije

  • Always disconnect the vehicle's battery before beginning any installation to prevent electrical shorts.
  • Ensure all wiring connections are secure and properly insulated to prevent damage from moisture and vibration.
  • Do not operate the stereo system at excessively high volumes for prolonged periods, as this may cause hearing damage.
  • This product is designed for marine use with weather-resistant features. However, avoid direct high-pressure water jets on the unit.
  • Če ste glede katerega koli dela postopka namestitve negotovi, se posvetujte s profesionalnim monterjem.

3. Vsebina paketa

Prosimo, preverite, ali so v vašem paketu priloženi vsi spodaj navedeni artikli:

  • 1 x Gravity MGR-208BT Bluetooth Marine Receiver
  • 2 x Gravity 6.5-inch Marine Speakers with LED Lights
  • 1 x Kabelski snop
  • 2 x Stereo Removal Keys
  • 1 x Uporabniški priročnik (ta dokument)
  • 1 x daljinski upravljalnik
Gravity MGR-208BT Marine Stereo Unit

Image 3.1: The Gravity MGR-208BT Marine Stereo Receiver unit.

Two Gravity 6.5-inch Marine Speakers with LED lights

Image 3.2: Two Gravity 6.5-inch Marine Speakers featuring built-in blue LED illumination.

Gravity Marine Stereo Remote Control

Image 3.3: The remote control for the Gravity MGR-208BT Marine Stereo.

4. Nastavitev in namestitev

4.1 Stereo Receiver Installation

  1. Lokacija namestitve: Choose a suitable location in your vessel that is protected from direct exposure to extreme weather conditions, although the unit is designed with a conformal-coated PCB for enhanced durability against moisture.
  2. Napajalni priključek: Connect the yellow wire (constant 12V) to a constant 12V power source, the red wire (accessory 12V) to a switched 12V source, and the black wire (ground) to a reliable chassis ground.
  3. Priključki zvočnikov: Connect the speaker wires from the stereo's wire harness to your marine speakers. Ensure correct polarity (+/-) for optimal sound performance. The MGR-208BT supports a 4-channel output.
  4. Antena: Connect your marine antenna to the designated input on the stereo.
  5. Varna enota: Slide the stereo into the mounting sleeve until it clicks into place.

4.2 Namestitev zvočnika

The 6.5-inch marine speakers feature a low-profile design for easy integration into various marine watercrafts and off-road vehicles.

  1. Lokacija namestitve: Select a flat surface for mounting. Ensure there is sufficient depth behind the mounting surface for the speaker magnet.
  2. Izrezati: Use the provided template (if applicable, or refer to specifications for cut-out dimensions) to cut a circular opening for each speaker.
  3. Ožičenje: Connect the speaker wires from the stereo to the terminals on the back of each speaker. Observe correct polarity.
  4. Varni zvočniki: Mount the speakers using the supplied screws, ensuring a snug fit.
Back of Gravity MG680-LW Marine Speaker

Slika 4.1: Zadaj view of a Gravity MG680-LW marine speaker, showing wiring terminals and specifications.

5. Navodila za uporabo

5.1 Osnovna operacija

  • Vklop/izklop: Pritisnite PWR gumb za vklop ali izklop enote.
  • Nadzor glasnosti: Za nastavitev glasnosti zavrtite osrednji gumb.
  • Izbira vira: Pritisnite NAČIN button to cycle through available sources: Radio (AM/FM), CD, USB, AUX, and Bluetooth.

5.2 Delovanje Bluetooth

  1. Seznanjanje: Select Bluetooth mode. On your mobile device, search for available Bluetooth devices and select "MGR-208BT". Enter "0000" if a passcode is required.
  2. Pretakanje zvoka: Once paired, you can stream audio from your Bluetooth-enabled device to the stereo. Use your device or the stereo controls for playback (play/pause, skip track).
  3. Vgrajen mikrofon: The stereo includes a built-in Bluetooth microphone for hands-free calling.

5.3 Vhod USB in AUX

  • USB predvajanje: Insert a USB drive into the front USB port. The unit will automatically switch to USB mode and begin playing compatible audio files (MP3, WMA, AAC, WAV, FLAC).
  • AUX vhod: Connect an external audio device (e.g., MP3 player) to the front AUX input using a 3.5mm audio cable. Select AUX mode to play audio from the connected device.
  • iPod/iPhone Connection: Direct connection for iPod/iPhone is supported with an optional cable.

5.4 Predvajanje CD-ja

  • Insert a CD into the disc slot. The unit will automatically switch to CD mode and begin playback.
  • The unit plays CDs, CD-Rs, and CD-RW discs, including those loaded with MP3, WMA, AAC, and WAV music files.

5.5 Nastavitve zvoka

  • Kontrole tona: Pritisnite SEL button repeatedly to access Bass and Treble adjustments. Use the volume knob to adjust values (Bass: +/-10dB, Treble: +/-10dB).
  • Drive EQs: Improves sound quality to compensate for exterior noise.
  • Sound Reconstruction: Restores fullness to compressed digital files.
  • Low-Pass Filter & Sub Level Control: Adjust these settings for optimal subwoofer performance, if connected.
  • Speaker Setting Function: Optimize audio output for different sizes and types of speakers.

5.6 Display and Faceplate

  • The unit features a glare-resistant white display with variable-color illumination (up to 5 different tones).
  • The faceplate is removable for theft deterrence. To remove, press the release button and gently pull the faceplate off. Store it in the provided case.
Gravity MGR-208BT Marine Stereo with removable faceplate

Image 5.1: The Gravity MGR-208BT Marine Stereo with its removable faceplate detached.

Gravity MGR-208BT Marine Stereo faceplate in protective case

Image 5.2: The removable faceplate of the Gravity MGR-208BT stored in its protective case.

6. Vzdrževanje

  • Čiščenje: Uporabite mehko, damp cloth to clean the stereo unit and speakers. Avoid abrasive cleaners or solvents.
  • Nega obrazne plošče: When removed, store the faceplate in its protective case to prevent scratches and damage.
  • Povezave: Periodically check all wiring connections for corrosion or looseness, especially in marine environments.
  • Vodoodpornost: While the speakers are waterproof and the stereo has a conformal-coated PCB, ensure all covers (like USB/AUX input covers) are securely closed when not in use to maintain weather resistance.

7. Odpravljanje težav

TežavaMožen vzrokrešitev
Brez močiPregorela varovalka; napačna napeljava; ohlapna napajalna povezava.Check and replace fuse; verify power and ground wiring; ensure connections are secure.
Brez zvokaVolume too low; incorrect source selected; speaker wires disconnected; ampnačin zaščite rešilca.Increase volume; select correct source; check speaker wiring; power cycle unit.
Bluetooth povezovanje ne uspeBluetooth not enabled on device; device too far; interference; incorrect pairing procedure.Ensure Bluetooth is on and discoverable; move device closer; restart both devices; follow pairing steps in Section 5.2.
CD/USB playback errorDisc/USB damaged or incompatible format; dirty disc; incorrect file structure on USB.Try a different disc/USB; clean disc; ensure files are compatible (MP3, WMA, AAC, WAV, FLAC).
Speakers not lighting upLED power not connected or faulty.Verify LED power connections (if separate); contact support if issue persists.

8. Specifikacije

  • Model: MGR-208BT
  • Tehnologija povezljivosti: Bluetooth, USB
  • Posebna lastnost: Waterproof (speakers), Conformal-coated PCB (stereo)
  • Združljive naprave: Pametni telefon, zvočnik
  • Vrsta priključka: USB
  • Način avdio izhoda: Stereo
  • Konfiguracija kanala za prostorski zvok: 4 kanal
  • Ampdvigalo: Vgrajen MOSFET amplifier (22 watts RMS/50 peak x 4 channels)
  • Formati predvajanja: CDs, CD-Rs, CD-RWs, MP3, WMA, AAC, WAV (via CD/USB), FLAC (via USB)
  • Zaslon: Glare-resistant white display, variable-color illumination (up to 5 tones)
  • Kontrole tona: Bass +/-10dB, Treble +/-10dB
  • Additional Audio Features: Drive EQs, Sound Reconstruction, Low-pass filter, Sub level control, Speaker Setting function
  • Prednja plošča: Removable theft-deterrent faceplate
  • Teža artikla: Približno 9.7 funtov (celoten paket)
  • Dimenzije izdelka: Approximately 9 x 12 x 8 inches (package)

9. Garancija in podpora

Your Gravity MGR-208BT Marine Stereo and Speaker System is covered by a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including warranty duration and coverage details.

For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the manufacturer's customer service department. Contact information can typically be found on the product packaging or the manufacturer's official webmesto.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.