Why are incorrect characters displayed on my JVC Car Receiver?
- FFrancis HaydenSep 7, 2025
The unit can only display uppercase letters, numbers, and a limited number of symbols.

Why are incorrect characters displayed on my JVC Car Receiver?
The unit can only display uppercase letters, numbers, and a limited number of symbols.
What does 'ERROR' mean on my JVC KD-R741BT?
The 'ERROR' message indicates that there was a problem during the operation. Try the operation again. If the error persists, verify that the device supports the function you are attempting to use.
| Type | Car Receiver |
|---|---|
| Brand | JVC |
| Model | KD-R741BT |
| Power Output | 50W x 4 |
| RMS Power | 22W x 4 |
| Bluetooth | Yes |
| CD Playback | Yes |
| Display Type | LCD |
| Preamp Outputs Voltage | 2.5V |
| Compatible Formats | MP3, WMA, WAV, FLAC |
| Subwoofer Control | Yes |
| Detachable Faceplate | Yes |
| iPod/iPhone Control | Yes |
| Steering Wheel Control Ready | Yes |
| Bluetooth Profiles | A2DP, AVRCP |
| USB Port | Yes (Front) |
| AUX Input | Yes (Front) |
| Radio Tuner | AM/FM |
| Presets | 18 FM, 6 AM |
| Display Colors | Variable color |
| Preamp Outputs | 3 Pairs (Front, Rear, Subwoofer) |
Crucial safety warnings to prevent accidents during operation.
Important operational cautions to ensure safe usage and prevent damage.
Detailed explanation of the unit's front panel controls and display.
Instructions for setting the unit's clock time accurately.
Initiate and control playback from CD, USB, and iPod sources.
Steps to establish a wireless connection with a Bluetooth device.
Manage calls, volume, and microphone sensitivity during Bluetooth use.
Activate hands-free mode and receive text message alerts.
Resolves issues related to audio output, unit functionality, and disc playback.
Solves issues with Bluetooth pairing, phone calls, and audio streaming.
Important safety guidelines and warnings before installing the unit.
Step-by-step guide for installing the car audio unit.
Diagrams and instructions for connecting the unit's wiring harness.
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