Gentec PA40W User Manual

Gentec PA40W User Manual

Mini digital amplifier

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User Manual
PA40W
Mini Digital Amplifier
All Rights Reserved
Version: PA40W_2015V1.5

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Summary of Contents for Gentec PA40W

  • Page 1 User Manual PA40W Mini Digital Amplifier All Rights Reserved Version: PA40W_2015V1.5...
  • Page 2 Mini Digital Amplifier Preface Read this user manual carefully before using this product. Pictures shown in this manual is for reference only, different model and specifications are subject to real product. This manual is only for operation instruction only, not for any maintenance usage. The functions described in this version are updated till March 2015.
  • Page 3 Mini Digital Amplifier SAFETY PRECAUTIONS To insure the best from the product, please read all instructions carefully before using the device. Save this manual for further reference. Unpack the equipment carefully and save the original box and packing material for possible future shipment Follow basic safety precautions to reduce the risk of fire, electrical shock and injury to persons.
  • Page 4: Table Of Contents

    Mini Digital Amplifier Table of Contents 1.Introduction ........................1 1.1.Introduction to Mini Digital Amplifier..............1 1.2.Features ......................1 1.3.Package List ......................1 2.System Connection Introduction .................. 2 2.1.Audio Output ....................... 2 2.1.1.Default output: 2x20Watt@4Ohm ..............2 2.1.2.Bridge connection: 1x40Watt@8Ohm ............2 2.1.3.Dual-mono Output..................
  • Page 5: Introduction

    Mini Digital Amplifier 1. Introduction 1.1. Introduction to Mini Digital Amplifier The Mini Digital Amplifier is a compact-size digital amplifier (Class-D) with 3 inputs (2 line in and 1 balanced MIC). It is integrated with powerful functions, including bridge connection, dual-mono, EQ control, microphone mixer etc. It has a good application in different places, including classroom, small meeting room, lecture hall, bar, pub etc.
  • Page 6: System Connection Introduction

    Mini Digital Amplifier 4 x Plastic Cushions 1 x User Manual Notes: The IR remote and its battery are offered for charge separately. The IR receiver is also offered for charge. Please confirm if the product and the accessories are all included, if not, please contact with the dealers.
  • Page 7: Dual-Mono Output

    Mini Digital Amplifier 2.1.3. Dual-mono Output The Mini Digital Amplifier also has the function of double-mono output. It can sum up the left and right channel, to be the mono audio output. In this way, the both of the outputs are showing the same mono audio. The connection is: Connecting the four pins, like this 2.2.
  • Page 8: Operation Of The Control Panel And The Ir Remote

    Mini Digital Amplifier 1) Unbalanced connection: “╧” connects to ground, and “-” connects to signal. “╧” connects to ground, and “+” connects to signal. 2) Balanced connection: “+” connects to positive, “-” connects to negative and “╧” connects to ground. 3.
  • Page 9: Usage Of The Ir Remote

    Mini Digital Amplifier Firstly to Then to turn select the down/up the function level, or from this mute the menu. output. For example, to turn up the line volume, you should select the “LINE” first, and then press the button “ ”.
  • Page 10: System Diagram

    Mini Digital Amplifier IR receiver head, works in 3.5mm jack, insert conjunction with the IR it into the remote. Please point the IR specialized socket remote at the IR receiver (3.5mm) to connect when use, to avoid getting out the IR receiver with of control as there is no signal the amplifier detected.
  • Page 11: Communication Protocol And Command Codes

    Mini Digital Amplifier 5. Communication Protocol and Command Codes Communication Protocol: RS232 Communication Protocol Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none Command Function Description Feedback Code 1A1. Switching the audio to input 1 A: 1 -> 1 2A1.
  • Page 12: Specification

    Mini Digital Amplifier 2: The bracket [ ] is not included to the RS232 commands. 3: Any dot “.” after the letters is part of the commands. Example 1: Switching the input 2 to the line out, RS232 command is: [2A1.] Example 2: Turning up the volume of line audio, RS232 command is: [603%] Example 3:...
  • Page 13: Panel Drawing

    Mini Digital Amplifier 7. Panel Drawing...
  • Page 14: Troubleshooting & Maintenance

    Mini Digital Amplifier 8. Troubleshooting & Maintenance 1) When there is no output audio: Check if there is any signal at the input. Check if there is any signal at the output. We can check these by using an oscilloscope or a multimeter. If there is no signal input/output, maybe the input/output cables broken or the connectors loosen, please change for another cable.
  • Page 15: After-Sales Service

    Mini Digital Amplifier 9. After-sales Service If there appear some problems when running the device, please check and deal with the problems referring to this user manual. 1) Product Limited Warranty: We warrant that our products will be free from defects in materials and workmanship for three years, which starts from the first day you buy this product (The purchase invoice shall prevail).

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