1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of your JENSEN MPR420 Double DIN Car Stereo Receiver. Please read this manual thoroughly before using the product to ensure proper function and to prevent damage. Keep this manual for future reference.
2. Sikkerhedsoplysninger
- Professionel installation anbefales: Due to the complexity of car audio systems, professional installation is highly recommended. Incorrect installation can lead to damage to the unit or vehicle.
- Strømkilde: Connect the unit only to a 12V DC negative ground electrical system.
- Ledningsføring: Sørg for, at alle ledninger er korrekt tilsluttet i henhold til ledningsdiagrammet. Isoler alle blotlagte ledninger for at forhindre kortslutninger.
- Lydstyrkekontrol: Keep the volume at a level that allows you to hear outside sounds, such as emergency vehicles. Prolonged exposure to high volume levels can cause hearing damage.
- Rensning: Brug en blød, tør klud til rengøring. Undgå slibende rengøringsmidler eller opløsningsmidler.
3. Pakkens indhold
Bekræft at alle varer er til stede i din pakke:
- JENSEN MPR420 Car Stereo Receiver
- Ledningsnet
- Monteringsudstyr (skruer, beslag)
- Brugervejledning (dette dokument)
4. Produktet er slutview
4.1 Betjeningselementer på frontpanelet
The front panel of the MPR420 features a 7-character LCD display and various controls for easy operation.
Billede: Forside view of the JENSEN MPR420 car stereo receiver, showcasing its 7-character LCD display, central rotary knob, and various function buttons with blue backlighting. Key features like Bluetooth, USB, and AM/FM are indicated on the display.
- Tænd/sluk-knap: Turns the unit on/off and cycles through input modes (Radio, Bluetooth, USB, AUX).
- Lydstyrkeknap: Adjusts the audio output level. Press to access audio settings.
- Display -knap (DISP): Changes display information (e.g., clock, station frequency).
- Bånd knap: Vælger radiobånd (FM1, FM2, FM3, AM1, AM2).
- Push-to-Talk (PTT)-knap: Aktiverer din smartphones stemmeassistent.
- USB-port: Connect USB devices for media playback and charging.
- AUX-indgang: 3.5 mm jackstik til tilslutning af eksterne lydkilder.
- Forudindstillede knapper (1-6): Gem og genkald radiostationer.
4.2 Bagtilslutninger
The rear of the unit contains connections for power, speakers, antenna, and other accessories. Refer to the wiring diagram for specific connections.
Image: A multi-colored wiring harness with a white connector, typically used for connecting the car stereo to the vehicle's power, ground, and speaker wires. Each wire is color-coded for specific functions.
5. Installation
Proper installation is crucial for optimal performance. If you are unsure about any steps, consult a qualified professional.
5.1 Montering af enheden
The MPR420 is a Double DIN unit. Ensure your vehicle's dashboard opening is compatible. Use the provided mounting brackets and screws to secure the unit in place.
Image: The JENSEN MPR420 car stereo receiver seamlessly integrated into a vehicle's dashboard, demonstrating its double DIN fit and illuminated controls within the car's interior.
5.2 Ledningsforbindelser
Connect the wiring harness to your vehicle's electrical system. Match the color-coded wires from the receiver's harness to the corresponding wires in your vehicle's wiring harness. Common connections include:
- Gul: Konstant 12V (batteri)
- Rød: Skiftet 12V (tilbehør)
- Sort: Jord
- Blå: Strømantenne / AmpFjernbetjening til lifer
- Højttalerkabler: Typically white/white-black, gray/gray-black, green/green-black, purple/purple-black for front left, front right, rear left, and rear right speakers respectively.
Always consult your vehicle's wiring diagram for accurate connections.
6. Opsætning
6.1 Indledende tænding
After installation, press the Power button to turn on the unit. The display will illuminate.
6.2 Indstilling af uret
- Press and hold the DISP button until the clock digits flash.
- Use the volume knob or tuning buttons to adjust the hours.
- Press the DISP button again to move to minutes, then adjust.
- Press DISP once more or wait a few seconds to save.
6.3 Bluetooth -parring
To pair your mobile device with the MPR420:
- Sørg for, at Bluetooth er aktiveret på din mobilenhed.
- On the MPR420, select the Bluetooth audio mode (BT AUDIO) using the Mode button.
- On your mobile device, search for available Bluetooth devices. The MPR420 will appear as "JENSEN MPR420".
- Select "JENSEN MPR420" to connect. A confirmation tone will sound upon successful pairing.
7. Betjeningsvejledning
7.1 AM/FM-radio
- Valg af band: Press the BAND button to cycle through FM1, FM2, FM3, AM1, AM2.
- Manuel indstilling: Press the tuning buttons (left/right arrows) briefly to adjust the frequency step-by-step.
- Søgeindstilling: Press and hold the tuning buttons to automatically seek the next strong station.
- Lagring af forudindstillinger: Tune to your desired station, then press and hold one of the preset buttons (1-6) until you hear a beep. The station is now saved.
- Genkaldelse af forudindstillinger: Briefly press a preset button (1-6) to recall a saved station.
7.2 Bluetooth-lydstreaming
Once paired, select BT AUDIO mode. You can play music from your connected device. Use the unit's track forward/backward buttons or your device to control playback. The volume can be adjusted via the unit or your device.
7.3 Håndfri Bluetooth-opkald
When a call comes in, the unit will display the caller ID (if available). Press the TALK button to answer, or the END CALL button to reject. During a call, use the volume knob to adjust call volume.
7.4 USB-afspilning
Insert a USB flash drive into the front USB port. The unit will automatically switch to USB mode and begin playing compatible audio files (MP3/WMA). Use the track forward/backward buttons to navigate tracks.
7.5 AUX-indgang
Connect an external audio device (e.g., MP3 player) to the front 3.5mm AUX input using an audio cable. Select AUX mode using the Mode button. Control playback and volume from the external device.
7.6 Voice Assistant (Siri/Google)
The MPR420 features a dedicated Push-to-Talk (PTT) button for activating your smartphone's voice assistant.
Image: A close-up of the JENSEN MPR420 receiver's front panel, with an emphasis on the 'Push-to-Talk' button and a graphic illustrating voice access. This feature allows users to activate their smartphone's assistant for hands-free commands.
Press the PTT button to activate Siri or Google Assistant on your connected smartphone. You can then issue voice commands for navigation, music playback, calls, and more.
7.7 J-Link App Control
The J-Link App allows you to control your receiver via Bluetooth from your smartphone.
Image: A visual representation of the J-Link App feature for the JENSEN MPR420 receiver. The image shows the receiver's front panel alongside a smartphone displaying the J-Link app interface, indicating remote control capabilities for settings, music, and stations.
Download the J-Link App from your smartphone's app store. Once installed and connected via Bluetooth, you can change settings, select songs, tune stations, and adjust volume directly from the app.
8. Vedligeholdelse
- Rengøring af enheden: Use a soft, dry cloth to wipe the front panel. Do not use harsh chemicals, detergents, or abrasive cleaning solutions.
- USB-port: Hold USB-porten fri for støv og snavs.
- Nulstil knap: If the unit malfunctions, locate the small reset button (often recessed) and press it with a pointed object (like a pen tip). This will restore factory settings.
9. Fejlfinding
If you encounter issues with your MPR420, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Sprunget sikring; Forkert ledningsføring; Problem med bilens batteri. | Check vehicle fuses and the unit's fuse. Verify power and ground connections. Check vehicle battery. |
| Ingen lyd | Lydstyrken er for lav; Mute aktiveret; Forkert højttalerledningsføring; Ampproblem med lifter (hvis relevant). | Increase volume. Check if mute is on. Verify speaker connections. Ensure external ampkøleren er tændt. |
| Bluetooth forbinder ikke | Bluetooth not enabled on device; Unit not in pairing mode; Device already paired to another unit. | Ensure Bluetooth is on and discoverable on your device. Select BT AUDIO mode on the unit. Forget previous pairings on your device and retry. |
| Dårlig radiomodtagelse | Antenne ikke tilsluttet; Beskadiget antenne; Område med svagt signal. | Ensure antenna is securely connected. Inspect antenna for damage. Try tuning to different stations or moving to an area with better signal. |
| USB-enhed ikke genkendt | Uforenelig file format; USB device not formatted correctly; Damaged USB device. | Sikre files are MP3/WMA. Format USB device to FAT32. Try a different USB device. |
| Ground loop noise (hissing/whining) | Improper grounding; Interference from vehicle's electrical system. | Ensure the unit's ground wire is securely connected to a clean, unpainted metal surface on the vehicle chassis. Consider installing a ground loop isolator. |
10. Specifikationer
- Model: MPR420
- Produktdimensioner: 2.3 x 7 x 4 tommer
- Varens vægt: 1.39 pund
- Forbindelse teknologi: Bluetooth
- Særlige funktioner: RDS, Push-to-Talk Voice Assistant, USB Playback/Charging, AM/FM Tuner
- Lydudgangstilstand: Stereoanlæg
- Fabrikant: Dual Jensen
11. Garanti og support
Jensen offers a comprehensive warranty for your MPR420 receiver.
Image: A graphic detailing Jensen's commitment to quality and warranty information. It states a 3-year warranty upon online registration at Jensenmobile.com, with a standard 2-year warranty otherwise.
- Standard garanti: Your unit is covered by a 2-year warranty against manufacturer defects.
- Udvidet garanti: Registrer dit produkt online på Jensenmobile.com (proof of purchase required) to extend your warranty to 3 years.
- Kundeservice: For technical assistance or warranty claims, please visit the official Jensen webwebsted eller kontakt deres kundesupport.
