JVC KD-R794BT - User Manual

Questions and Answers

M
Mackenzie FrancisSep 16, 2025
Why there is no sound during playback on JVC Car Receiver?
- A
  Anthony MartinezSep 16, 2025
  If you cannot hear sound during playback on your JVC Car Receiver, reconnect the Android device. If in [AUDIO MODE], launch any media player application on the Android device and start playback. If still in [AUDIO MODE], relaunch the current media player application or use another media player application. You can also restart the Android device. If this does not solve the problem, the connected Android device may be unable to route the audio signal to the unit.
S
shawmarthaSep 17, 2025
What to do if 'No Device' or 'Reading' keeps flashing on JVC KD-R794BT Car Receiver?
- J
  Joseph NolanSep 17, 2025
  If “NO DEVICE” or “READING” keeps flashing on your JVC Car Receiver, switch off the developer options on the Android device. Try reconnecting the Android device. If this does not solve the problem, the connected Android device may not support [AUTO MODE].
J
Jessica OrtegaSep 18, 2025
Why can't I playback at [AUTO MODE] on JVC KD-R794BT?
- A
  Alexandra MooreSep 18, 2025
  If you cannot playback in [AUTO MODE] on your JVC Car Receiver, make sure the JVC MUSIC PLAY APP is installed on the Android device. Try reconnecting the Android device and select the appropriate control mode. If this does not solve the problem, the connected Android device may not support [AUTO MODE].
R
Rita HallSep 18, 2025
How to fix echo or noise on JVC KD-R794BT Car Receiver?
- E
  Elizabeth RhodesSep 19, 2025
  If echo or noise occurs with your JVC Car Receiver, adjust the microphone unit’s position. Also, check the [ECHO CANCEL] setting.
E
ericaromeroSep 23, 2025
Why doesn't the source change to USB on JVC KD-R794BT Car Receiver?
- D
  Denise GutierrezSep 23, 2025
  Turn the power off and unplug the USB device. Then, turn on the power and reattach the USB device. If this does not solve the problem, turn the power off and on (or reset the unit) before replacing with another USB device.
J
Julia McdonaldSep 23, 2025
What does 'Switching NG' mean on JVC KD-R794BT?
- J
  Jesse AndersonSep 23, 2025
  If “SWITCHING NG” appears on your JVC Car Receiver, the connected phones might not support the phone switching feature.
D
Daniel Moore MDSep 23, 2025
What does 'Loading' mean on JVC Car Receiver when searching?
- P
  Pamela SandersSep 23, 2025
  This unit is still preparing the iPod/iPhone music list. It may take some time to load, try again later.
G
Gregory HarrisonAug 23, 2025
How to fix JVC KD-R794BT Car Receiver when no sound can be heard?
- M
  Michelle TorresAug 23, 2025
  If you cannot hear any sound from your JVC Car Receiver, make sure the volume is at an audible level. Also, inspect the cords and connections to ensure they are properly connected.
L
Lindsey StricklandSep 6, 2025
Why source cannot be selected on JVC KD-R794BT Car Receiver?
- M
  Mr. John DudleySep 6, 2025
  If you cannot select a source on your JVC Car Receiver, check the [SOURCE SELECT] setting.
M
Mark SwansonSep 5, 2025
Why is the phone sound quality poor on my JVC Car Receiver?
- M
  Matthew CherrySep 5, 2025
  If the phone sound quality is poor on your JVC Car Receiver, try reducing the distance between the unit and the Bluetooth device. Also, move the car to a location with better signal reception.

JVC KD-R794BT Specifications

General

Audio system	MOSFET
MP3 playback	Yes
Audio formats supported	AAC, FLAC, MP3, WAV, WMA
DIN size	1 DIN
Output power	200 W
Product color	Black
Ready for iPod	No
Disc types supported	CD, CD-R, CD-RW
Audio output channels	- channels
Equalizer bands quantity	11
Maximum power per channel	50 W
AM band range	531 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Preset stations quantity	24
Display type	LCD
Display number of lines	2 lines
Bluetooth version	3.0+HS
Bluetooth profiles	A2DP, AVRCP, HFP, PBAP
Key illumination color	Red

Weight and Dimensions

Weight	1200 g
Dimensions (WxDxH)	182 x 158 x 53 mm

Summary

Regulatory Compliance Declarations

RE Directive 2014;53;EU Compliance Statement

Statement of conformity with the European Union's Radio Equipment Directive.

RoHS Directive 2011;65;EU Compliance Statement

Statement of conformity with the RoHS Directive on hazardous substances.

Getting Started: Initial Setup and Safety

Important Usage and Safety Guidelines

Key instructions for proper operation and essential safety precautions.

Basics: Unit Operation (Models KD-R992 BT;KD-R899 BT;KD-R794 BT;KD-R792 BT)

Faceplate Layout and Controls Overview

Identifies buttons, displays, and ports on the unit's front panel.

Fundamental Operations: Power, Volume, Source

Step-by-step guide for powering, volume control, and source selection.

Basics: Unit Operation (Model KD-R891 BT)

Faceplate Layout and Controls Overview (KD-R891 BT)

Identifies buttons, displays, and ports specific to the KD-R891BT model.

Fundamental Operations: Power, Volume, Source (KD-R891 BT)

Guide to powering, volume control, and source selection for KD-R891BT.

Getting Started: Initial Setup Procedures

Setting the Clock and Date

Configuring Basic System Settings

Radio Operation: Finding and Storing Stations

Searching for Radio Stations Automatically and Manually

Methods for tuning into FM/AM radio stations.

Storing and Recalling Preset Radio Stations

How to save and access favorite broadcast frequencies.

Spotify Integration: Setup and Playback

Connecting and Setting Up Spotify via USB

Spotify Playback Controls and Features

Audio Input Options: AUX and Media Sources

Connecting and Using External Audio Devices (AUX)

Connecting and Playing Media from CD, USB, iPod, Android

Guide to connecting and playing various digital media sources.

Media Playback Control Modes

iPod Control Modes: Unit vs. Device

Android Control Modes: Unit vs. Device

Media File Management and Search

Using the JVC Remote Application for Device Control

Navigating and Selecting Audio Files

Efficient File Search Functions

Spotify: Music Search and Navigation

Searching for Songs and Radio Stations within Spotify

Bluetooth: Device Pairing and Auto Connection

First-Time Bluetooth Device Pairing Procedure

Step-by-step guide to connect a new Bluetooth device.

Bluetooth: Mobile Phone Call Management

Handling Incoming Calls and Call Rejection

Managing incoming calls, answering, and rejecting them.

Managing Active Calls and Ending Conversations

Steps for ending calls and managing active conversations.

Bluetooth: Advanced Call and Voice Settings

Managing Multiple Calls and Talk Modes

Improving Voice Quality: Microphone and Echo Settings

Bluetooth: Phone Features and Voice Control

Making Phone Calls via Bluetooth

How to initiate calls from history, phonebook, or by dialing.

Using Voice Recognition for Calls and Commands

Utilizing voice commands for making calls and controlling functions.

Bluetooth Audio: Playback and Application Control

Playing Audio via Bluetooth Connection

Connecting and playing music from Bluetooth audio devices.

Using JVC Remote App via Bluetooth

Bluetooth: Remote App and Streaming Setup

Setting Up Remote Application for iOS and Android

Streaming iPhone;iPod Audio via Bluetooth

Audio Settings: Equalizer and Sound Adjustment

Preset Equalizer Options for Music Genres

Custom EQ Settings: Easy EQ and Pro EQ

Adjusting bass, mid, treble, and subwoofer levels manually.

Audio Control Features: Bass Boost and Loudness

Subwoofer Level and Crossover Frequency Settings

Configuring subwoofer output level and crossover points.

Audio Settings: Speaker Configuration and Sound Effects

Speaker Balance and Initial Volume Adjustment

Amplifier Gain and Speaker Output Settings

Crossover Type and Speaker Size Selection

Audio Settings: Advanced Crossover Configuration

Speaker Output Settings via Lineout Terminals

Detailed setup for speaker outputs when using an external amplifier.

Crossover Frequency, Slope, and Phase Adjustments

Fine-tuning crossover points, slopes, and phase for speaker outputs.

Crossover Gain and Speaker Size Matching

Audio Settings: Detailed Crossover Parameters

2-Way Crossover Setting Items and Options

Comprehensive list of parameters for 2-way speaker crossovers.

3-Way Crossover Setting Items and Options

Comprehensive list of parameters for 3-way speaker crossovers.

Audio Settings: Digital Time Alignment

Digital Time Alignment Setup Procedure

Setting speaker delay times for precise sound staging.

Determining Speaker Distance and Gain Values

Guide to measuring distances and setting gain for time alignment.

Display Settings: Illumination Color Customization

Setting Button Illumination Colors (KD-R992 BT)

Setting Button Illumination Colors (KD-R891 BT)

Troubleshooting: General, Radio, and Media Errors

Resolving Sound, Wiring, and Radio Reception Issues

Solutions for common sound, wiring, and radio problems.

Troubleshooting CD, USB, and iPod;iPhone Errors

Fixes for device compatibility, errors, and loading issues.

Troubleshooting: Android and Bluetooth Connectivity

Resolving Android Playback and Connection Problems

Solutions for Android playback errors and connection issues.

Troubleshooting Spotify App and Bluetooth Disconnection

Fixes for Spotify app errors and Bluetooth connection loss.

Addressing Bluetooth Audio Quality Issues

Solutions for echo, noise, and poor sound quality during Bluetooth audio.

Troubleshooting: Bluetooth Device Control and Features

Resolving Bluetooth Player Control and Feature Errors

Solutions for issues controlling Bluetooth players and feature errors.

Troubleshooting Bluetooth Device Switching Issues

Installation and Connection: Safety and Basic Steps

Critical Safety Precautions for Installation

Essential safety warnings before performing wiring and mounting.

Overview of the Unit Installation Procedure

Step-by-step guide for installing the unit in a vehicle.

Installation: Mounting the Unit

In-Dash Mounting Procedure

Step-by-step instructions for securely mounting the unit in a dashboard.

Installation: Wiring Connections

Wiring Diagram and Color Codes

Illustrates wire connections and their functions using color codes.

Specifications: Bluetooth and Audio Output Power

Audio Output Power and Impedance Specifications

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