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Boss Audio Systems BV7948B User Manual

Boss Audio Systems BV7948B
18 pages
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Boss Audio Systems BV7948B Specifications

Power IconPower
power supply12 V
maximum output power4 x 80 W (Measured at 14.4 V)
DVD Section Specifications IconDVD Section Specifications
video systemNTSC
audio system24 bit / 96 kHz
mounting angle0 +/- 30 º
Video Specifications IconVideo Specifications
video type16:9 and 4:3
video output levelComposite: 1.0 ± 0.2 Vpp
load impedance75 ohm
Audio Specifications IconAudio Specifications
audio output2.0 Vrms
frequency response20 Hz – 20 kHz (at 1 kHz 0 dB)
signal-to-noise ratio≥ 90 dB (at 1 kHz 0 dB)
Radio Specifications IconRadio Specifications
FM frequency range87.5MHz - 107.9MHz (US) / 87.5MHz - 108.0MHz (EU)
AM frequency range530KHz - 1710KHz (US) / 522KHz - 1620KHz (EU)
useful sensitivity3uV
Weight and Dimensions IconWeight and Dimensions
dimensions178 x 50 x 165 mm

Summary

PRECAUTION

CAUTION (RISK OF ELECTRIC SHOCK)

Warning about electric shock and not opening the unit.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK

Appliance not to be exposed to rain or moisture.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK

Do not remove cover; refer servicing to qualified personnel.

CLASS 1 LASER PRODUCT

Information regarding the laser product safety classification.

7. Specification

General Specification

Overall technical specifications of the unit.

DVD Deck Specification

Technical details for the DVD playback component.

Video Specification

Specifications related to video output and format.

Audio Specification

Details on audio output characteristics and performance.

Radio Specification

Technical parameters for the radio tuner.

6. The Trouble Shooting

Common Issues and Solutions

Addresses common problems like no picture, no sound, screen issues, and remote control problems.

1. Before Operation

Glossary and Precautions

Definitions of terms and general safety/operational precautions.

Maintenance and Cleaning of Discs

Guidelines for keeping discs clean and in good condition.

Battery Information of the Remote Control

Instructions and precautions for using the remote control battery.

The Remote Control Description

Detailed explanation of each button on the remote control.

Locations and Names of the Controls

Identification of buttons and ports on the unit's front and rear.

Description of the Rear Cabinet

Details and diagrams of the unit's rear connections.

Unit Installation

Instructions for installing the unit into the vehicle.

5. BLUE TOOTH HANDFREE SYSTEM

Bluetooth Pairing and Connection

Steps for pairing and connecting a mobile phone via Bluetooth.

Bluetooth Call Operations

Procedures for dialing, accepting, rejecting, and ending calls.

Audio Transfer via Bluetooth

How to transfer audio from a mobile phone to the car audio player.

Mobile Phone Connection/Disconnection

How to connect or disconnect a paired Bluetooth device.

Bluetooth Dialing and Call Handling

Procedures for making and receiving calls using Bluetooth.

3. Radio Operation

Band Selection and Tuning

How to select radio bands and tune stations manually or automatically.

Preset Station Management

Procedures for storing and recalling preset radio stations.

PTY and AF Functions

Using Program Type (PTY) and Alternative Frequencies (AF) for radio reception.

Traffic Announcement (TA) Function

How the unit handles traffic announcements.

4. Basic Disc, USB or MMC/SD Operation

The Parental Control

Setting and managing parental control levels for disc playback.

DIGITAL SETUP

Configuring digital audio output modes like dynamic range and dual mono.

VIDEO SETUP

Adjusting video parameters like brightness, contrast, saturation, and hue.

SPEAKER SETUP

Configuring speaker output modes such as Downmix and VSS.

LANGUAGE SETUP

Setting the display language for menus and prompts.

AUDIO SETUP

Adjusting audio settings like loudness and equalizer presets.

SYSTEM SETUP

General system configuration options including TV type and password.

Disc Playback Procedures

Steps for starting playback from discs, including notes on disc types.

USB and Card Reader Operation

How to play audio/video files from USB drives and memory cards.

File Format Specific Operations

Playing JPEG, video files, and using ESP/ID3 functions.

Programmed Playback

Feature to set a custom order for playing chapters/tracks.

Playback Control and Management

Viewing playback information and using playback control buttons.

Track and Chapter Selection

Methods for selecting specific tracks, chapters, or time points.

Playback Modes

Various playback features like repeat, zoom, angle, and status display.

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