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Stacy HuangAug 28, 2025
What does 'UPGRADE APP' mean on my JVC KD-R481?
- BBrian TuckerAug 28, 2025
If “UPGRADE APP” appears on your JVC Car Receiver, make sure you have installed the latest version of the Pandora application on your device.
To Next PageTo Next PageWhat does 'UPGRADE APP' mean on my JVC KD-R481?
If “UPGRADE APP” appears on your JVC Car Receiver, make sure you have installed the latest version of the Pandora application on your device.
What to do if “MISWIRING CHECK” appears on JVC Car Receiver?
If the JVC Car Receiver displays “MISWIRING CHECK”, switch the power off and ensure the speaker wire terminals are properly insulated. Then, turn the power back on.
How do I fix source selection issues on my JVC KD-R481 Car Receiver?
If you cannot select a source on the JVC Car Receiver, check the [SOURCE SELECT] setting.
How to improve radio reception on JVC Car Receiver?
To improve radio reception on your JVC Car Receiver, ensure the antenna is firmly connected.
What causes intermittent playback on JVC Car Receiver?
To address intermittent playback or sound skipping on your JVC Car Receiver, turn off the power saving mode on the Android device.
How to fix JVC KD-R481 Car Receiver when no sound can be heard?
Ensure the volume is at an appropriate level and verify all cords and connections are secure.
Why is the playback order wrong on my JVC KD-R481?
The playback order on the JVC Car Receiver is determined by the file name (USB) or the order in which files were recorded (disc).
Why is the elapsed playing time incorrect on my JVC KD-R481 Car Receiver?
The elapsed playing time displayed on the JVC Car Receiver depends on the recording process.
Why is the radio reception poor on my JVC Car Receiver?
If you are experiencing poor radio reception with your JVC Car Receiver, make sure the antenna is firmly connected.
How to fix 'MISWIRING CHECK' error on JVC Car Receiver?
If the message “MISWIRING CHECK” appears on your JVC Car Receiver, turn the power off. Check to ensure the terminals of the speaker wires are insulated properly, and then turn the power back on.
General| MP3 playback | Yes |
|---|---|
| DVD Audio playback | No |
| Playback disc formats | CD audio |
| Audio formats supported | FLAC, MP3, WAV, WMA |
| FM band range | 87.5 - 108 MHz |
| LW band range | 153 - 279 kHz |
| Supported radio bands | AM, FM, LW, MW |
| Preset stations quantity | 24 |
| DIN size | 1 DIN |
| Product color | Black |
| Disc types supported | CD-R, CD-ROM, CD-RW |
| Equalizer bands quantity | 13 |
| Mobile operating systems supported | Android, iOS |
| Display type | LCD |
| Illumination color | White |
| Display number of lines | 2 lines |
| Bluetooth | - |
| USB version | 2.0 |
| USB port position | Front |
| Line outputs (RCA) | 1 |
| File format system | FAT 12/16/32 |
| Package weight | 1600 g |
| Storage temperature (T-T) | -30 - 85 °C |
| Operating temperature (T-T) | -10 - 60 °C |
Weight and Dimensions| Depth | 159 mm |
|---|---|
| Width | 182 mm |
| Height | 53 mm |
| Weight | 1500 g |
| Dimensions (WxDxH) | 182 x 53 x 159 mm |
Overview of the unit's physical controls, display, and ports.
Procedures for detaching the unit, resetting, replacing battery, and basic controls.
Steps to configure the unit's time and date settings.
Configure system parameters like key beep, source selection, and display language.
How to find FM, AM, SW1, SW2 radio stations using manual or auto search.
Operations for navigating and controlling playback: FF/REW, track/file select, folder select, repeat, random.
Finding, searching, creating, and managing iHeartRadio stations and favorites.
Configure PRESET EQ, EASY EQ, and PRO EQ modes for music genres.
Adjust overall volume, source volume offsets, and amplifier gain (LOW/HIGH POWER).
Common issues and solutions for audio, source selection, radio reception, and disc errors.
Troubleshooting for discs, USB, iPod, iPhone, and Android devices during playback.
Specific error messages and their remedies for the Pandora application.
Specific error messages and their remedies for the iHeartRadio application.
Safety warnings and cautions for installing the unit in a vehicle.
Step-by-step guide for mounting the unit in-dash and removing it.
Advice on using custom wiring harnesses and professional installation for safety.
Detailed wiring diagram and color-coded connections for power, speakers, and antenna.
