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OWI AMPMA70V40 User Manual Download Page 19

70V 40W Digital Mini Amplifier

                                                                             

 

OWI Incorporated                                    16                        www.owi-inc.com

 

5)  Volume Adjustment 

 

MIC

: turn up/down the microphone volume. 

 

LINE

: turn up/down the line volume. 

 

BASS

: bass tuning 

 

TREBLE

: treble of line volume. 

Operation: There are one 

“+” button and one “-” button for each mode of MIC, LINE, 

BASS and TREBLE, 

“+” is for volume up and “-” is for volume down. 

3. Safety Guides

 

1) 

DO NOT use the device in a direct sunlight, rainfall or humid environment. 

2) 

DO NOT install the device next to a heat source area, or beside an electric heaters 

or a hot stove. 

Summary of Contents for AMPMA70V40

Page 1: ...User Manual AMPMA70V40 OWI 70V 40W Digital Mini Amplifier __________________________________________ IR Remote Control Model AMPIRMA70V40 All Rights Reserved Version AMPMA70V40V2013V1 0 ...

Page 2: ...truction only not for any maintenance usage The functions described in this version are updated until May 2014 Any changes of functions and parameters since then will be informed separately Please refer to the dealers for the latest details This manual is copyrighted by OWI Inc All rights reserved No part of this publication may be copied or reproduced without the prior written consent of OWI Inc ...

Page 3: ...io Output 4 3 3 2 Audio Inputs 5 3 4 System Applications 6 4 System Operations 6 4 1 Operations of Front Panel 6 4 1 1 Audio switching 6 4 1 2 Volume EQ controlling 7 4 2 Operations of IR Remote 7 4 3 Operations of Control Software 8 4 3 1 Connection with Computer 8 4 3 2 Installation uninstallation of RS232 Control Software 8 4 3 3 Running Environment 9 4 3 4 Function Settings 9 4 3 5 RS232 Commu...

Page 4: ...d 100V Ducking function 16 ID codes for controlling between different AMPMA70V40 amplifiers 3 level MIC input supports condenser microphone dynamic microphone and wireless microphone MIC port can support balance unbalance signal suppress the external noise effectively Two stereo audio inputs and one digital audio input switchable by button IR remote RS232 Volume Bass Treble controllable by buttons...

Page 5: ...oosing the audio source the corresponding LED indicator will be on No 1 is for dual mono audio input 2 RCA connectors for L R No 2 is for stereo audio input 3 5mm mini jack and No 3 is for digital fiber audio input Audio Control Adjust the volume of the MIC Line or the level of Bass and Treble with this button Volume Adjustment To turn up down or mute the corresponding audio Turn down the volume T...

Page 6: ...o F hexadecimal works together with the PC control software IR Eye To connect with the IR receiver works together with the IR remote Power Port To connect with the power adapter DC24V 2 x RCA Dual mono audio input which can be connected with audio source device such as a PC Digital Audio Input Fiber connector for digital audio input it can be connected with a device with fiber port such as blue ra...

Page 7: ...0 supports mono audio output and the output voltage is 70V or alterative 100V With its dual purpose design it can be applied in different areas The end COM is for grounding The amplifier to be connected is mono audio output with a rated power at 40Watt so AMPMA70V40 can be connected with several speakers in parallel connection way Total power mustn t be more than 40Watt The following figure shows ...

Page 8: ... provide a 48V phantom power This is usually used for power supply for condenser microphone Connection is connects to positive connects to negative and to ground Note In this mode only condenser microphone can be connected with MIC input When the switch turns to MIC It has a low frequency characteristics and wide frequency response in this mode the microphone input is used for connecting with dyna...

Page 9: ...ith digital audio source device With the SPF optical fiber the audio signal can be transmitted faster more stable reliable and can be transmitted over a long distance without distortion 3 4 System Applications AMPMA70V40 can be applied in different occasions such as classroom small meeting room lecture hall bar and hotel etc 4 System Operations 4 1 Operations of Front Panel The buttons provides th...

Page 10: ...Remote AMPMA70V40 provides with an IR eye with the IR Receiver and the IR remote user can control AMPMA70V40 remotely Notice The IR Receiver and the IR remote are all offered for charge Figure 8 IR Remote Audio Mode Switching Volume Adjustment Turn down the volume Turn up the volume MUTE Mute the output Mute Mode MIC Mute the microphone volume LINE Mute the line volume SPEAKER Unmute Use to transm...

Page 11: ...ion Connect the input source devices and the output device according to the system diagram Copy the RS232 control software to one computer and then connect the RS232 port of this computer and AMPMA70V40 Double click the EXE program to execute the software Here we take the software CommWatch exe as example The icon is showed as below Figure 11 Control Software Uninstallation Delete all the control ...

Page 12: ...ands to control AMPMA70V40 4 3 4 Function Settings With the control software we can easily switch the input channel mute the output check the working status and adjust the volume etc Please refer the details in RS232 Communication Commands The interface of the control software is showed as below Figure 12 Main Interface of Control Software Parameter Configuration area Monitoring area indicates if ...

Page 13: ...f MIC 51 602 MIC volume down Volume of MIC 51 603 Line volume up Volume of LINE 51 604 Line volume down Volume of LINE 51 605 Bass level up Bass of LINE 4 606 Bass level down Bass of LINE 4 607 Treble level up Treble of LINE 4 608 Treble level down Treble of LINE 4 609 Initialization back to the default setting Init OK 610 Enable disable the ducking function Ducking off Ducking on 4 x x Preset the...

Page 14: ... the address of the ID code If the address of the ID code is 0 any RS232 command is available If the address is in 1 F it has one unique ID code If the ID code is not the same with the address no RS232 command will work While the ID code is in 1 F please add ID before sending the command For example if the ID code is 5 the RS232 command needed is 604 the correct command is in this format 5 604 The...

Page 15: ...eneral Frequency Response 120Hz 20KHz CMRR 70dB 20Hz 20KHz SNR 80dB Max Bandwidth 120Hz 20KHz Rated Power Output 40Watt 8Ohms THD Noise 1 1KHz 0 3 20KHz at nominal level Voltage Gain 26dB Control Function RS232 Control 1 3 pole 3 81mm captive screw connector Front Panel Control buttons ID Code Control 16 ID codes for control IR remote 14 Button Control Powered by one lithium battery Model CR2025 n...

Page 16: ... Incorporated 13 www owi inc com 6 Panel Drawing Figure 13 Panel Drawing 7 Remote Control AMPIRMA70V40 1 IR Receiver 1 Specification Case dimension W40 x L30 x D15 mm Working Voltage 2 5V 5V Cord Length 1 5m Effective Receiving Range 7m ...

Page 17: ... getting out of control 3 Usage of IR Receiver Plug the receiver jack into the specialized AMPMA70V40 socket 3 5mm marked with IR to connect the IR receiver with AMPMA70V40 Then it is able to control AMPMA70V40 by receiving IR signal 2 IR Remote 1 Specification Case Dimension W125 x L51 x D10 mm Power Consumption DC 3V Buttons 14 in total Button Material rubber Powered by one lithium battery model...

Page 18: ...on Select the wanted audio source and press the corresponding button then it will switch to this input and then to output 4 Mute Mode MIC Mute the microphone volume LINE Mute the line volume SPEAKER Unmute Operation Press the button MIC LINE to mute the MIC LINE volume and press the button SPEAKER to unmute the present volume Mute Mode IR head use to transmit the infrared signal send by the IR rem...

Page 19: ...ASS bass tuning TREBLE treble of line volume Operation There are one button and one button for each mode of MIC LINE BASS and TREBLE is for volume up and is for volume down 3 Safety Guides 1 DO NOT use the device in a direct sunlight rainfall or humid environment 2 DO NOT install the device next to a heat source area or beside an electric heaters or a hot stove ...

Page 20: ...ned above probably there is something broken inside the unit please send it to the dealer for repair 2 If the POWER indicator doesn t work or no respond to any operation please make sure the power cord connection is good 3 If the output sound is interfered please make sure the system is grounded well 4 If the static becomes stronger when connecting the audio connectors it is probably due to bad gr...

Page 21: ...enerating heat when running the working environment should be maintained fine ventilation in case of damage caused by overheat 4 Please cut off the general power switch in humid weather or left unused for long time 5 Before following operation ensure that the alternating current wire is pull out of the power supply Take off or reship any components of the equipment Take off or rejoin any pin or ot...

Page 22: ...ree year warranty which starts from the first day you buy this product The purchase invoice shall prevail 4 Any problem is same with one of the following cases listed we will not offer warranty service but offer for charge Beyond the warranty Damage due to incorrectly usage keeping or repairing Damage due to device assembly operations by the maintenance company non assigned No certificate or invoi...

Page 23: ...www owi inc com OWI INCORPORATED Tel 310 515 1900 Fax 310 515 1606 Email info owi inc com Website www owi inc com ...

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