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powersoft Digam K4 User Manual

powersoft Digam K4
31 pages
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Digital Audio Amplifier
for Professional Applications
User Manual
V1.15 (15-5-2009)
K20-K10-K8-K6-K4-K3 K2-
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powersoft Digam K4 Specifications

General IconGeneral
Brandpowersoft
ModelDigam K4
CategoryAmplifier
LanguageEnglish

Summary

Important Safety Instructions

General Safety Precautions

Covers warnings for electric shock, fire hazards, and proper use.

Safety Rules Overview

Highlights essential safety rules like reading instructions and proper ventilation.

Approvals and Warnings

Product Approvals

Lists compliance with Canadian Electrical Code, National Electrical Code, and European directives.

Warning Notices

Alerts users about installation location, temperature, and humidity risks.

Installation and Operational Precautions

Installation Precautions

Details placement away from heat, proper ventilation, and avoiding liquids.

Safety Rules and Guidelines

Emphasizes using grounded sockets, correct voltage, and not removing covers.

Speaker Output Hazard Information

Speaker Output Shock Hazard

Warns about hazardous output voltages and touching exposed speaker wiring.

Product Introduction and Technology

DIGAM Technology Features

Explains high efficiency, sonic accuracy, digital reliability, and power factor correction.

Chapter 1: Installation and Operation

1.1 Unpacking Procedure

Guides on carefully opening the carton and checking for shipping damage.

Amplifier Mounting and Connections

1.2 Amplifier Mounting

Details 19" rack mounting and the forced-air cooling system.

1.3 Operating Precautions

Advises on checking voltage, muting gain controls, and using quality cables.

1.4 AC Mains Connection

Explains connection via CPC connector and the benefits of PFC.

Audio Input Connections

1.5 Connecting Audio Inputs

Describes XLR and 1/4" jack input connections for analog signals.

Loudspeaker Output Connections

1.6 Connecting Loudspeaker Outputs

Details Neutrik Speakon connector usage and bridge mode.

Remote Control and ID Settings

1.7 Remote Control Connection

Explains RS485 data cable connection and ID selection for remote control.

Specialized Input Connections

1.8 AUX Input CH1/CH2

Describes usage for emergency signals when 24V DC is applied.

1.9 Alarm CH1/CH2

Details relay outputs for external equipment and fault reporting.

1.10 AES/EBU Input

Explains AES/EBU input mode and dedicated inputs on K3I/K2I models.

Chapter 2: Setup and Settings

2.1 Setup Introduction

Introduces front panel controls and LCD display for amplifier management.

2.2 Main Screen Overview

Describes the main screen display, including 'WAIT' and 'READY' statuses.

Main Menu and Navigation

2.3 Main Menu Navigation

Explains scrolling menus, selecting options, and the menu tree structure.

Parameter Adjustment: Attenuation and Gain

2.3.1 Output Attenuation Settings

Details setting output attenuation from 0 to -30dB for channels.

2.3.2 Gain and Sensitivity Adjustment

Covers setting gain levels (26-35dB) and corresponding sensitivities.

Input and Limiter Settings

2.3.3 Input Signal Selection

Explains choosing between Analog, Digital AS3, and Ethernet inputs.

2.3.4 Maximum Output Voltage

Allows setting the maximum peak output voltage for channels.

2.3.5 Maximum Mains Current

Sets the maximum mains current limit, affecting circuit breaker trip.

2.3.6 Clip Limiter Configuration

Enables/disables clip limiters to prevent output distortion.

Channel and Metering Settings

2.3.7 Gate Functionality

Mutes channels individually based on input signal amplitude thresholds.

2.3.8 Mute on Power On

Keeps amplifier muted at power on until manually deactivated.

2.3.9 Idle Mode Power Saving

Turns off output stage when no signal is detected for energy saving.

2.3.10 DSP Settings

Configuration options available with an optional DSP board.

2.3.11 Ethernet Settings

Configuration options available with an optional KAESOP board.

2.3.12 Bar Meter Configuration

Selects LED bar function as output voltage or current meters.

2.3.13 Output Meter Display

Shows output signal values and load impedance for CH1 and CH2.

Monitoring and Preset Management

2.3.14 Temperature Monitoring

Displays historic temperature diagrams and current values.

2.3.15 Mains Voltage and Current Meters

Allows viewing the voltage and current of the mains supply.

2.3.16 Amplifier Naming

Enables displaying the amplifier name and current preset name.

2.3.17 Local Preset Management

Stores and recalls amplifier configurations as local presets.

Hardware Information and Monitoring

2.3.18 Hardware Information

Displays serial number, hardware ID, and firmware versions.

2.3.19 Hardware Monitor System

Shows system parameters like power supply voltages and clocks.

Display, Security, and Service

2.3.20 LCD Contrast Adjustment

Allows adjusting the contrast of the LCD display.

2.3.21 Setting Keylock Code

Enables setting a numeric code to lock/unlock settings.

2.3.22 Menu Locking Options

Provides three levels of menu access restriction: All, Safe, and All.

2.3.23 Service Access

Details that service activation is factory reserved.

Smartcard Functionality

2.3.24 Smartcard Functionality

Enables storing and recalling presets using a smartcard.

Chapter 3: Protection Mechanisms

3.1 Turn-On/Turn-Off Muting

Explains the muting of amplifier outputs during power transitions.

3.2 Short Circuit Protection

Describes the system that protects output transistors from short circuits.

3.3 Thermal Protection System

Details fan operation and automatic shutdown due to overheating.

3.4 DC Fault Protection

Explains the protection circuit that cuts power supply for DC faults.

3.5 Input/Output Protection

Mentions ultrasonic network for decoupling RF and stabilizing loads.

Chapter 4: User Maintenance and Error Codes

4.1 Cleaning and Dust Removal

Provides instructions for cleaning the amplifier and removing dust filters.

4.3 Error Codes Reference

Lists error codes and their descriptions displayed on the main screen.

4.4 Service and Support

Guides users on seeking qualified technical personnel for service.

Chapter 5: Warranty and Assistance

Warranty Information

Outlines warranty terms, conditions, and exclusions.

Customer Assistance

Directs users to local distributors or Powersoft for support.

Chapter 7: Technical Notes

7.1 General Dimensions

Provides physical dimensions of the amplifier in millimeters and inches.

Technical Diagrams

7.2 Block Diagrams

Illustrates the output stage and power supply block diagrams.

Detailed Technical Specifications

7.3 Technical Specifications

Lists detailed specifications for power, audio, and output parameters.

Output Power Limitations

7.4 Output Voltage and Power Limits

Shows peak output voltage settings for maximum output power.

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