To Next PageTo Next PageWhat to do if iPod/iPhone doesn't work with JVC KD-R681 Car Receiver?
If your iPod/iPhone does not turn on or work with the JVC Car Receiver: * Check the connection between the unit and your iPod/iPhone. * Detach and reset the iPod/iPhone using a hard reset.
What does 'PLEASE EJECT' mean on my JVC KD-R681?
If the message “PLEASE EJECT” appears on your JVC Car Receiver, press the eject button, then insert the disc correctly.
Why can't I playback in [AUTO MODE] on my JVC KD-R681 Car Receiver?
If you cannot playback in [AUTO MODE] on your JVC Car Receiver: * Make sure the JVC MUSIC PLAY APP is installed on your Android device. * Reconnect the Android device and select the appropriate control mode. * If the problem persists, the connected Android device may not support [AUTO MODE].
Why does 'READING' keep flashing on my JVC Car Receiver?
If “READING” keeps flashing on your JVC Car Receiver: * Do not use too many hierarchical levels and folders. * Reload the disc or reattach the USB device.
What does 'NOT SUPPORT' mean on my JVC KD-R681 Car Receiver?
If “NOT SUPPORT” appears on your JVC Car Receiver and the track skips, check whether the track is in a playable format.
Why are correct characters not displayed on JVC Car Receiver?
If correct characters are not displayed on your JVC Car Receiver: * This unit can only display uppercase letters, numbers, and a limited number of symbols. * Depending on the display language you have selected, some characters may not be displayed correctly.
General| CD Playback | Yes |
|---|---|
| USB Input | Yes |
| Bluetooth | Yes |
| Pre-Output Voltage | 2.5V |
| Frequency Response | 20Hz - 20kHz |
| USB Standard | USB 2.0 |
| USB Current Supply | 1A |
| File System | FAT16, FAT32 |
| MP3 Decoding | Yes |
| WMA Decoding | Yes |
| AM Frequency Range | 530 - 1710 kHz |
| AUX Input | Yes |
| MP3 Playback | Yes |
| WMA Playback | Yes |
| Remote Control | Yes |
| Detachable Faceplate | Yes |
| Steering Wheel Control Compatible | Yes |
| Channels | 4 |
| Power Output | 4 x 50W |
| RMS Power | 22W x 4 |
| Tuner | FM/AM |
| Display | LCD |
| Pre-Output Impedance | 10 k ohms |
| MP3 Bit Rate | 32 - 320kbps |
| WMA Bit Rate | 32 - 192kbps |
| FM Frequency Range | 87.5 - 108.0MHz |
Key information to ensure proper use and safety, including warnings and cautions.
Procedure for setting the unit's clock and date.
How to configure essential system and source settings.
Instructions for searching and tuning radio stations.
How to save favorite stations and recall them.
Configuration for radio timer, auto-station memory, and local seek.
How to begin playback from various connected media sources.
Operations for playback, track skipping, repeat, and random play.
Methods for selecting files from folders or using quick/alphabetical search.
Selecting preset EQs or customizing sound with EASY EQ and PRO EQ.
Configuring subwoofer levels, LPF, phase, and speaker output.
Selecting speaker output based on connection type (lineout or speaker leads).
Common issues and solutions for audio, reception, and static noise.
Fixes for playback, connection, and detection problems with media devices.
Important safety warnings and precautions before installation.
Diagram and instructions for connecting the unit's wiring harness.
