1. Okwu mmalite
This manual provides detailed instructions for the installation, operation, and maintenance of your JVC KDR820BT Wireless Bluetooth Dual USB-CD Receiver. Please read this manual thoroughly before using the unit to ensure proper operation and to prevent damage.
The JVC KDR820BT is designed to provide versatile audio playback and communication features in your vehicle. It includes built-in Bluetooth for hands-free calling and audio streaming, dual USB ports for device connectivity, and CD playback capabilities. The unit also features a customizable display with variable color options.
2. Ihe ngwugwu
Chọpụta na ihe niile dị na ngwugwu tupu ịmalite nrụnye:
- JVC KDR820BT Head Unit
- Wireless Remote Control (RM-RK52)
- USB Bluetooth nkwụnye
- Igwe okwu Wired
- Nessgba Harị
- Ngwaike mgbakwasa
- Akwụkwọ ntuziaka onye nwe (akwụkwọ a)
Figure 2.1: JVC KDR820BT Product Packaging. The box illustrates the main unit, remote, USB Bluetooth adapter, and wired microphone.
3. Nwụnye
Professional installation is recommended. Ensure the vehicle's battery is disconnected before starting installation to prevent electrical damage.
3.1 Njikọ njikọ
Connect the wiring harness to the vehicle's electrical system and speakers. Refer to your vehicle's wiring diagram for specific connections.
- Waya odo odo: Jikọọ na ike 12V mgbe niile.
- Waya uhie: Connect to switched 12V accessory power.
- waya ojii: Jikọọ na ala chassis ụgbọ ala.
- waya na-acha anụnụ anụnụ/ọcha: Jikọọ na antenna ike ma ọ bụ amplifier n'ime anya ntụgharị ụzọ.
- Wires ọkà okwu: Connect to vehicle speakers (ensure correct polarity).
- RCA Pre-out Jacks: Maka ijikọ mpụga amplifiers (N'ihu, azụ, Subwoofer).
- Ntinye igweokwu: Connect the supplied wired microphone for hands-free calling.
- ọdụ ụgbọ mmiri USB: Front USB for general connectivity, Rear USB for additional devices or the Bluetooth adapter.
Figure 3.1: Rear Panel Connections. This image displays the rear of the receiver with its wiring harness, RCA pre-outs, and antenna input.
3.2 Ịtinye Unit
Install the mounting sleeve into the vehicle's dashboard opening. Secure the unit by sliding it into the sleeve until it locks into place. Attach the trim ring.
3.3 Connecting the Bluetooth Adapter
The supplied USB Bluetooth adapter must be connected to one of the USB ports (front or rear) for Bluetooth functionality. For a cleaner installation, the rear USB port is often preferred.
4. Mbido Mbido
After installation, reconnect the vehicle battery. The unit will power on. Follow these steps for initial configuration:
- Ike izizi: Pịa Isi mmalite bọtịnụ ka ịgbanwee otu.
- Ntọala elekere: Access the system menu to set the current time.
- Ntọala ọdịyo: Adjust basic audio settings such as bass, treble, balance, and fader.
- Agba ngosi: Customize the display and button illumination colors using the variable color settings.
5. Ntuziaka ọrụ
Foto nke 5.1: Ogwe ihu dị n'eluview. This image shows the main controls and display of the JVC KDR820BT.
Figure 5.2: Receiver with Remote Control. The image displays the head unit and the included wireless remote control (RM-RK52).
5.1 Njikwa ntọala
- Power/Source Button: Press to turn on/off or change audio source (FM/AM, CD, USB, Bluetooth Audio, AUX).
- Mpịakọta Mpịakọta: Rotate to adjust volume. Press to mute/pause audio.
- Bọtịnụ menu: Access system settings and advanced options.
- Bọtịnụ azụ: Return to the previous menu or display.
- Wụpụ/Chọọ bọtịnụ: Navigate tracks, radio stations, or menu options.
5.2 Ọrụ Redio (AM/FM)
- Pịa Isi mmalite to select FM or AM.
- Jiri ihe Chọọ buttons to find stations automatically.
- Iji hazie aka gị, pịa ma jide Chọọ bọtịnụ.
- To store a preset, tune to the desired station, then press and hold a preset number button (1-6).
5.3 CD ịkpọghachi
- Tinye CD n'ime oghere diski ahụ. Ngwaọrụ ahụ ga-agbanwe gaa na isi iyi CD ozugbo wee malite ịkpọ egwu.
- Jiri ihe Mafee bọtịnụ ịgbanwe egwu.
- Pịa Mpịakọta Akpata to pause/play.
- Pịa Wepụ button to remove the CD.
5.4 USB Device Playback
- Connect a USB device (flash drive, iPod/iPhone, digital audio player) to either the front or rear USB port.
- Pịa Isi mmalite ka ịhọrọ USB.
- Jiri ihe Mafee bọtịnụ ka ịnyagharịa egwu.
- Pịa NchNhr button to browse folders and files.
5.5 Ọrụ Bluetooth
Ensure the USB Bluetooth adapter is connected to the unit.
5.5.1 Pairing a Bluetooth Device
- Gbanwuo Bluetooth na ekwentị mkpanaaka gị.
- On the JVC KDR820BT, select the Bluetooth source.
- Chọọ maka available devices on your mobile phone. Select "JVC unit" (or similar) from the list.
- Enter the PIN code (usually "0000") if prompted.
- Once paired, the Bluetooth indicator on the receiver will illuminate. The unit supports connecting two phones simultaneously.
5.5.2 Oku na-enweghị aka
- Ịkpọ oku: Use your phone's voice dial feature (if supported) or dial directly from your phone. The audio will transfer to the receiver.
- Na-aza oku: Pịa Ekwentị button on the receiver when an incoming call is detected.
- Ịkwụsị oku: Pịa Ekwentị mkpọchi ọzọ iji kwusi oku.
- Phone Book Access: The unit supports Phone Book Access Profile (PBAP) for transferring contacts.
Ngụkọta ọdịyo Bluetooth 5.5.3
- Select Bluetooth Audio as the source.
- Play audio from your paired mobile device. The receiver will stream the audio wirelessly.
- Jiri ihe Mafee buttons on the receiver to control playback (play/pause, skip track).
- The unit supports Pandora Internet Radio control from an iPhone.
5.6 Ntọala ụda
- 3-Band Parametric iEQ: Access the sound menu to adjust the equalizer settings for customized audio output.
- MOS-FET 50W x 4 Ampntughari: Provides powerful audio output.
- TI/Burr-Brown 24-bit DAC: Ensures high-quality digital-to-analog audio conversion.
5.7 Ntọala ngosi
- Separated Variable Color: Customize the illumination color of the keys and LCD panel from over 30,000 choices. Access this setting through the system menu.
- Njikwa ihie: Adjust display brightness for day and night viewing.
6. Nlekọta
- Na-ehicha Ngalaba: Jiri ákwà dị nro ma kpọọ nkụ hichaa ihe mkpuchi ihu. Maka unyi siri ike, dampen akwa na mmiri. Zere ihe nhicha ma ọ bụ ihe mgbaze.
- Nlekọta Ndị Na-akpọ CD: Keep the disc slot free of dust and debris. Use only clean, scratch-free CDs.
- Mwepụ ihu: The detachable faceplate can be removed for security. Store it in a protective case.
7. Nchọpụta nsogbu
Review the following common issues and solutions before seeking service.
| Nsogbu | Ihe kpatara/ Ngwọta nwere ike ime |
|---|---|
| Enweghị ike | Check power and ground wiring connections. Ensure the vehicle's ignition is on. Check vehicle fuses. |
| Enweghị ụda | Check speaker wiring. Ensure volume is not muted or too low. Verify the power antenna/remote wire is connected if using an external ampna -emegharị ihe. |
| Bluetooth echo during calls | Adjust microphone gain settings. Reposition the microphone away from reflective surfaces (e.g., windshield). Reduce the receiver's volume during calls. |
| Cannot pair Bluetooth device | Ensure the USB Bluetooth adapter is securely connected. Make sure Bluetooth is enabled on your mobile device and the receiver is in pairing mode. Delete previous pairings from your phone and try again. |
| Unit loses settings after power off | The yellow constant 12V power wire may not be connected correctly or is losing power. This can also occur if the vehicle battery is disconnected. |
| Display text is truncated or difficult to read | The display has limited character space. Some long names may be truncated. There is no option to increase scroll speed for folder/file aha. |
| Buttons or rotary knob are unresponsive | Ensure the faceplate is securely attached. Clean around the buttons to remove any debris. If the issue persists, it may indicate a hardware malfunction. |
8. Nkọwapụta
| Njirimara | Nkọwapụta |
|---|---|
| Nọmba nlereanya | KDR820BT |
| Ike mmepụta | MOS-FET 50W x 4 (20W RMS x 4) |
| DAC | TI/Burr-Brown 24-bit |
| Ihe nha nhata | 3-Band Parametric iEQ |
| Njikọta | Bluetooth, Dual USB (Front & Rear), AUX Input |
| Njirimara Bluetooth | Hands-Free Call, Audio Streaming, Phone Book Access Profile, Text Message Receipt Notification, Connects 2 Phones |
| Mgbasa mgbasa ozi | CD, MP3, WMA, WAV |
| Ụdị ngosi | LCD with Separated Variable Color |
| Tupuamp Voltage | 2 volts |
| Nha chassis | DIN zuru oke |
| Akụkụ (W x H x D) | 7.19 x 2.06 x 6.25 sentimita (ihe dị ka) |
| Ibu | 4 pound (ihe dị ka) |
| Ọrụ ịntanetị akwadoro | Pandora Internet Radio |
| Usoro njikwa | Remote Control, Android (via USB) |
9. Akwụkwọ ikike na nkwado
JVC products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official JVC websaịtị. Debe nnata nzụta gị dị ka ihe akaebe nke ịzụrụ maka nkwupụta ikike.
For technical support, service, or inquiries regarding your JVC KDR820BT receiver, please contact JVC customer service or visit their official support channels. Contact information can typically be found on the JVC websaịtị ma ọ bụ na nkwakọ ngwaahịa.
