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VocoPro KJ-7808RV User Manual

VocoPro KJ-7808RV
28 pages
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VocoPro KJ-7808RV Specifications

General IconGeneral
TypeKaraoke System
Echo ControlYes
Key ControlYes
Weight12 lbs
Video Output1 RCA

Summary

Welcome and VocoPro Information

Product Welcome and Contact Details

Expresses gratitude and provides VocoPro contact information for support.

Record Keeping for Your Unit

Section for recording model, serial, and purchase details.

Safety, Compliance, and Operating Cautions

FCC Compliance and Interference Management

Guidelines for FCC compliance, unit modifications, and interference.

General Operating Safety Precautions

Essential warnings for safe operation, placement, and handling.

Electrical Safety and Environmental Protection

Advice on power, cleaning, lightning protection, and signal interference.

Safe Listening Practices

Protecting Your Hearing

Guidance on setting safe volume levels to prevent hearing damage.

Understanding Sound Decibel Levels

Information on common and dangerous sound levels.

General Safety Instructions and Warnings

Understanding Safety Symbols and Guidelines

Explanation of symbols and core safety instructions.

Installation, Usage, and Maintenance Safety

Precautions for setup, operation, cleaning, and servicing.

KJ-7808RV Features and Mounting

Key Product Features Overview

Lists the main functional features of the KJ-7808RV mixer.

Rack Mount Installation Guide

Instructions for securely mounting the unit in a 19" rack.

System Connection: Signal Path

Understanding Audio and Video Signal Flow

Explains the path of signals through the karaoke system.

Sample System Connection Diagram

Illustrates connecting various components in a typical system.

System Connection: External Effects

Connecting Vocal Effects Units

Step-by-step guide for connecting external vocal effects.

Front Panel Controls: Microphone Inputs

Microphone/Line Inputs and Aux Send

Details on mic/line inputs, aux send, and level controls.

Gain, EQ, and Mic DSP Settings

Explanation of gain, EQ, and DSP effects for mic channels.

Front Panel Controls: Channels and Video

Audio Source Selection and Video Toggling

Controls for selecting audio sources and video modes.

Main and Monitor Video Output Routing

How to route video signals to main and monitor outputs.

Front Panel Controls: Master Section

Output Level Meters and Master Faders

Interpreting output meters and adjusting master output levels.

Master Equalizer and Cueing Controls

Operation of the graphic EQ, cueing, and headphone controls.

Front Panel Controls: Effects and Filters

Microphone Master Fader and Reverb Control

Adjusting mic master level and reverb amount.

Echo, Repeat, Delay, and Hiss Filter

Customizing echo effects and using the hiss filter.

Rear Panel Connections: Audio and Power

AC Input, Booth, and Master Outputs

Power connection and main audio outputs.

Record, AV Outputs, and Audio Inputs

Jacks for recording, AV connections, and external audio sources.

CD and Phono/Line Input Connections

Dedicated inputs for CD players and turntables.

Rear Panel Connections: Video and Effects

Voltage Selector and Ground Lift

Adjusting unit voltage and mitigating ground loop hum.

Video I/O and Microphone Effects Loop

Video connections and SEND/RETURN for mic effects.

Operations: Video and Key Control

Setting Main and Monitor Video Outputs

How to select and route video signals.

Utilizing Digital Key Control

Adjusting the musical key to match vocal range.

Operations: Key Control Assignment

Assigning Key Control to Channels

How to assign key control to specific mic or stereo channels.

Remote Key Control Operation

Controlling key changes remotely via a microphone.

Operations: DSP Effects Customization

Customizing Digital Echo Settings

Adjusting echo level, repeat, and delay for desired effect.

Setting Digital Reverb and DSP Levels

Adjusting reverb and overall DSP effect intensity per channel.

Operations: Vocal Features and Talk Over

Vocal Partner/Eliminator/Multiplex Modes

Using features to manipulate vocals with Multiplex media.

Talk Over Announcement Functionality

Using talk over for announcements with mic activity.

Operations: Equalizer and Cueing

Graphic Equalizer Fine Tuning

Using the 5-band graphic EQ for precise room tuning.

Channel Cueing Procedure

Monitoring input signals through headphones for mixing.

Operations: Effects Loop Management

Setting Mic Aux Send for Effects

Assigning mic channels to the external effects loop.

Effects Loop Send and Return Adjustment

Controlling signal levels for the effects loop.

Operations: Cueing and Recording

Master Cueing and Crossfading

Cueing master output and mixing/crossfading audio sources.

Recording Mixes and Performances

Connecting to a recording device via the RECORD OUT jacks.

Troubleshooting: Sound and Video Issues

No Sound or Video Output Problems

Solutions for lack of sound or video from the unit.

Feature Malfunctions and Crossfader Issues

Troubleshooting vocal features and crossfader problems.

Troubleshooting: Cueing and Audio Issues

Cueing and Insert Channel Problems

Resolving issues with headphone cueing and insert channels.

Echo and Microphone Squeal Solutions

Fixing problems with echo application and microphone feedback.

Technical Specifications

Input/Output, Tone, and SNR Specs

Details on input/output, tone controls, and signal-to-noise ratio.

DSP, Echo, and Filter Specifications

Technical details for DSP reverb, echo delay, and hiss filter.

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