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Summary of Contents for VivoLink VL120004
- Page 1 User Manual VL120004 Mini Digital Amplifier...
- 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. FCC Statement This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
- 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 ...
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Page 4: Table Of Contents
Mini Digital Amplifier Table of Contents 1.Introduction ........................5 1.1.Introduction to VL120004 ..................5 1.2.Features ......................5 1.3.Package List ......................5 2.System Connection Introduction .................. 6 2.1.Audio Output ....................... 6 2.1.1.Default output: 2x20Watt@4Ohm ..............6 2.1.2.Bridge connection: 1x40Watt@8Ohm ............6 2.1.3.Dual-mono Output.................. -
Page 5: Introduction
Mini Digital Amplifier 1. Introduction 1.1. Introduction to VL120004 VL120004 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. -
Page 6: System Connection Introduction
Connecting the two pins, like this 2.1.3. Dual-mono Output The VL120004 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... -
Page 7: Microphone Input
The connection is: Connecting the four pins, like this 2.2. Microphone input The microphone input of VL120004 has three modes, and different modes use different connections, as the picture below: 2.2.1. 48V phantom power input When the switch turns to “48V”, the MIC input will provide a 48V phantom power. This is usually used for power supply for condenser microphone, Connection is: “+”... -
Page 8: Operation Of The Control Panel And The Ir Remote
Mini Digital Amplifier 2) Balanced connection: “+” connects to positive, “-” connects to negative and “╧” connects to ground. 3. Operation of the Control Panel and the IR Remote 3.1. Operation of the Control Panel The buttons provides the control of volume/EQ control and switching. The following content introduces audio switching and EQ control in detail. -
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
IR remote. Please point the IR Insert it into the remote at the IR receiver specialized when use, to avoid getting out VL120004 socket of control as there is no signal (3.5mm), to detected. connect the IR receiver with VL120004. -
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
Turning up the volume of line audio, RS232 command is: [603%] Example 3: Preset the MIC volume to “21” degree, RS232 command is: [521%] Example 4: Checking the working status of VL120004, RS232 command is: [600%] 6. Specification Audio Input Audio Output... -
Page 13: Panel Drawing
Mini Digital Amplifier 7. Panel Drawing... -
Page 14: Troubleshooting & Maintenance
5) If the VL120004 amplifier cannot be controlled by the keys on the front panel, RS232 port or IR remote, the unit may has already been broken. Please send it... -
Page 15: After-Sales Service
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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