BG-AMPC40 - Charger BZBGear - Free user manual and instructions

USER MANUAL BG-AMPC40 BZBGear

Read this user manual carefully before using the product. Pictures shown in this manual are for reference only. Different models and specifications are subject to real product.

This manual is only for operation instruction, please contact the local distributor for maintenance assistance. In the constant effort to improve the product, we reserve the right to make functions or parameters changes without notice or obligation. Please refer to the dealers for the latest details.

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. It has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation.

Operation of this equipment in a residential area is likely to cause interference, in which case the user at their own expense will be required to take whatever measures may be necessary to correct the interference.

Any changes or modifications not expressly approved by the manufacture would void the user's authority to operate the equipment.

CE

SAFETY PRECAUTIONS

To ensure the best from the product, please read all instructions carefully before using the device. Save this manual for future 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.
• Do not dismantle the housing or modify the module. It may result in electrical shock or burn.
• Using supplies or parts not meeting the specifications of product may cause damage, deterioration or malfunction.
  • Refer all servicing to qualified service personnel.
• To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this product near water.
• Do not put any heavy items on the extension cable in case of extrusion.
• Do not remove the housing of the device as opening or removing housing may expose you to dangerous voltage or other hazards.
• Install the device in a place with fine ventilation to avoid damage caused by overheating.
• Keep the module away from liquids.
• Spillage into the housing may result in fire, electrical shock, or equipment damage. If an object or liquid falls or spills on to the housing, unplug the module immediately.
• Do not twist or pull by force ends of the optical cable. It can cause malfunction.
• Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before cleaning.
• Unplug the power cord when left unused for a long period of time.
• Information on disposal for scrapped devices: do not burn or mix with general household waste, and please treat them as normal electrical wastes.

Table of Contents

1. Product Introduction...... 1

1.1 Features.... 1
1.2 Package Contents ...... 2

2. Panel Description.... 2

2.1 Front Panel 2
2.2 Rear Panel.... 3

3. System Connection....4

3.1 Usage Precautions ...... 4
3.2 System Diagram 4
3.3 Audio Connection....4

3.3.1 Audio Output....4
3.3.2 Audio Inputs....5

3.4 System Applications....6

4. System Operation 7

4.1 Operation of Front Panel 7

4.1.1 Audio switching....7
4.1.2 Volume/EQ controlling 7

4.2 Operation of IR Remote 8
4.3 Operation of Control Software 9

4.3.1 Connection with Computer 9
4.3.2 RS232 Control Software....9
4.3.3 Running Environment.... 10
4.3.4 Function Settings.... 10
4.3.5 RS232 Communication Commands 11

5. Specifications.... 13

1. Panel Drawing.... 14
2. Troubleshooting and Maintenance.... 15
3. Tech Support.... 15
4. Warranty 16
5. Mission Statement ...... 16

1. Product Introduction

The BG-AMPC40 is a 40 Watt power amplifier (Class-D) with output alternatively at 70V or 100V. It has 2 stereo inputs (1x3.5mm jack for line in, 2xRCA for L&R), 1 digital input, and 1 balanced MIC. It is integrated with powerful functions including ducking function, EQ control, MIC mixer, etc. MIC input supports 3 levels with condenser MIC, dynamic MIC, and line audio input.

As for power amplifier, we have typical voltages at 70V and 100V for different countries. The amplifier is designed to integrate with both voltages to meet different requirements.

1.1 Features

• Mono audio output at 40Watt.
• Switchable between 70V and 100V.
• Ducking function.
  • 16 ID codes for controlling multiple amplifiers.
• 3-level MIC input, supports condenser microphone, dynamic microphone, and wireless microphone.
• MIC port can support balance/unbalance signal as well as external noise suppression.
• Two stereo audio inputs and one digital audio input. Selectable by button, IR remote, and RS232.
  • Volume/Bass/Treble controlled by buttons, IR remote, and RS232.
• Fast switching speed for good performance.
• Convection cooler; fan is not needed.
  • LED indicator for power and working status.
• Antistatic case design to provide protection for long-term and stable performance.

1.2 Package Contents

• 1x BG-AMPC40 40 Watt Power Amplifier
• 2x Mounting ears with 4 Screws
- 4x Plastic Cushions
• 2x Pluggable Terminal Blocks
- 1x RS232 Cable
• 1x Power Adapter (DC 24V 2.71A)
- 1x User manual

Note: Please contact your distributor immediately if any damage or defect in the components is found.

2. Panel Description

2.1 Front Panel

INPUT SEL 1 2 3 MIC LINE BASS TREBLE MUTE 1 2 3

No.	Name	Function
1	Audio Input Selection	To select the input audio source, after choosing 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.
2	Audio Control	Adjust the volume of the MIC, Line, or the level of Bass and Treble with this button
3	Volume Adjustment	To turn up/down or mute the corresponding audio. : Turn down the volume : Turn up the volumeMUTE: Mute the output

2.2 Rear Panel

1 2 3 4 5 INPUTS MIC MIC AUDIO CONTROL IR OUTPUT 24V == + ± - 48V LINE L R DIGITAL AUDIO RS232 Tx ± Rx COM 70V 100V 6 7 8 9 10

No.	Name	Function
1	Power Indicator	Turns red when power on.
2	Microphone input port	3-pole captive screw connector for microphone input, the dial switch on the right side is to select the micro input including 48V (for condenser microphone), MIC (for dynamic microphone), and LINE (for line audio).
3	Audio Inputs	3.5mm mini jack for stereo audio input. It can be connected with audio source devices (e.g., DVD player).
4	ID Code	16 codes range from 0 to F (hexadecimal). Works together with the PC control software.
5	IR	To connect with the IR receiver. Works together with the IR remote.
6	Power Port	To connect with the power adapter(DC24V).
7	L+R RCA	Dual-mono audio input, which can be connected with audio source device such as a PC.
8	Digital Audio Input	Fiber connector for digital audio input (PCM format only). It can be connected with a device with fiber port, such as Blu-ray player.
9	RS232	3-pole captive screw connector for serial control. It can be connected with PC (use a 3-pole captive to 9 pin female D connector and serial control software) to control the amplifier.
10	Audio Output	To connect with audio output devices such as speakers (to select 70V or 100V depends on the input voltage of the speakers). COM is for grounding (GND).

3. System Connection

3.1 Usage Precautions

• Make sure all components and accessories are included before installation.
• System should be installed in a clean environment with proper temperature and humidity.
• All of the power switches, plugs, sockets, and power cords should be insulated and safe.
• All devices should be connected before powering on.

3.2 System Diagram

graph TD
    A["Device"] -->|IR Receiver| B["Speaker (100V/10W)"]
    A -->|IR Remote| C["Speaker (100V/10W)"]
    A -->|MIC| D["Blu-ray"]
    A -->|PC| E["PC"]
    A -->|DVD| F["DVD"]
    B --> G["RS232 control signal"]
    C --> H["RS232 control signal"]
    D --> I["RS232 control signal"]
    E --> J["RS232 control signal"]
    F --> K["RS232 control signal"]

Figure 3 System Diagram

3.3 Audio Connection

3.3.1 Audio Output

The amplifier supports mono audio output, and the output voltage is 70V or alternative 100V. With its dual-purpose design, it can be applied in different areas. The end COM is for grounding. The amplifier outputs a mono audio signal with a rated power at 40 Watts and can be connected with several speakers in parallel wiring. Total power must

not be more than 40Watt.

The following figure shows how to connect with the speakers. Here we take the 100V/10W speakers for each as example.

graph TD
    A["COM 70V/100V"] --> B["Speaker (100V/10W)"]
    A --> C["SpeakerSpeaker (100V/10W)"]
    A --> D["Speaker (100V/10W)"]
    A --> E["Speaker (100V/10W)"]

Figure 4 Audio Output Connection

3.3.2 Audio Inputs

The amplifier provides 2 stereo audio inputs: one microphone input and one digital fiber audio input. The following figure shows the audio input ports.

INPUTS MIC MIC 2 + + - 48V LINE AUDIO L 1 R 3 DIGITAL AUDIO

Switch to select the MIC input mode, includes MIC (dynamic microphone), 48V (condenser microphone), and LINE (normal audio or wireless microphone).

Figure 5 Audio Input Ports

48V phantom power input

When the switch turns to “48V” (it has high input impedance and high sensitivity in this mode), the MIC input will provide a 48V phantom power. This is usually used for powering condenser microphones. Connection is: “+” connects to positive, “-” connects to negative, and “≡” to ground.

Note: In this mode, only condenser microphones can be connected.

MIC input

When the switch turns to “MIC” (it has wide frequency response in this mode), the microphone input is used for connecting dynamic microphones. There are two different connections:

a) Unbalanced connection:

“+” and “ 12 ” connect to ground and “-” connects to signal. “-” and “ 12 ” connect to ground and “+” connects to signal.

b) Balanced connection: “+” connects to positive, “-” connects to negative, and “≡” connects to ground.

LINE input

When the switch turns to "LINE" (it has wide frequency response in this mode), the microphone input is used for connecting normal audio or wireless microphone outputs. There are two different connections:

a) Unbalanced connection:

“+” and “ ± ” connect to ground and “-” connects to signal. “-” and “ ± ” connect to ground and “+” connects to signal.

b) Balanced connection: “+” connects to positive, “-” connects to negative, and “≡” connects to ground.

Digital Audio Input

The amplifier features a TOSLINK input to connect with digital audio source device. With this connection the audio signal can be transmitted more reliably and can be transmitted over a long distance without distortion.

Note: This digital audio input can support/decode PCM format signal only.

3.4 System Applications

The amplifier can be applied in different settings such as classrooms, small meeting rooms, lecture halls, bars, and hotels.

4. System Operation

4.1 Operation of Front Panel

The buttons provide control for volume/EQ and switching. The LED indicators show status. The following content explains audio switching and EQ control in detail.

4.1.1 Audio switching

There are three switchable audio inputs: one 2xRCA input, one 3.5mm jack input, and one digital fiber audio input.

Audio Source Selection: 1: Dual mono audio 2: Stereo audio 3: Digital fiber audio.

Figure 6 Audio Source Selection Button

4.1.2 Volume/EQ controlling

The line volume and MIC volume can be controlled by the buttons.

The MIC Volume/LINE volume/LINE bass/LINE treble will be selected by the buttons and controlled up/down/mute by the function buttons. Please check the picture below:

INPUT SEL 1 2 3 MIC LINE BASS TREBLE MUTE Audio Mode Switching Volume Adjustment: ▽: Turn down the volume △: Turn up the volume MUTE: Mute the output

Figure 7 Audio Mode and Volume Adjustment buttons

For example, to turn up the line volume, select "LINE" and then press the button "▲".

4.2 Operation of IR Remote

The amplifier can be connected to an IR Receiver and controlled via IR remote.

Notice: The IR Receiver and IR remote are sold separately.

Audio Source Selection: 1: 2 RCA dual-mono audio input 2: 1 3.5mm jack 3: 1 Digital fiber audio input Audio Controlling Modes MIC: turn up/down the microphone volume. LINE: turn up/down the line volume. BASS: bass tuning TREBLE: treble of line volume. INPUTS SEL MUTE MIC SPEAKER LINE VOLUME CONTROL MIC LINE + - + - BASS TREBLE + - + - Mini Amplifier Used to transmit the infrared signal sent by the remote controller. Mute Mode: MIC: Mute the microphone volume. LINE: Mute the line volume. SPEAKER: Unmute

Figure 8 IR Remote

IR Receiver: works together with the IR remote. Point the IR remote at the IR receiver when using. 3.5mm Jack: insert into the specialized socket (3.5mm) to connect the IR receiver with the amplifier.

Figure 9 IR Receiver

4.3 Operation of Control Software

4.3.1 Connection with Computer

RS232 control can be utilized via a computer attached with a USB to serial adapter. To control the amplifier, users should use a 3-pole male captive screw to 9-pin HD female connector.

RS232 Tx L/Rx INPUTS MCC AudiD CONTROL IR OUTPUT 24V mm + - L R RESISTAL AUDIO RS232 CE COM 10V 100V PC

Figure 10 Connection of RS232 Port

4.3.2 RS232 Control Software

- Installation

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 the amplifier.
Double-click the EXE program to execute the software.

Here we use the software CommWatch.exe for example. The icon is shown below:

CommWatch.exe

Figure 11 Control Software

- Uninstallation Delete all the control software files in corresponding file path.

4.3.3 Running Environment

While the control software is installed, we can activate the software through the RS232 port and set the parameters, making it able to send RS232 commands to control the amplifier.

4.3.4 Function Settings

With the control software, we can easily switch the input channel, mute the output, check the working status, adjust the volume, etc. Please refer to the details in RS232 Communication Commands.

The interface of the control software is shown below:

Parameter Configuration area UART (SerialPort) Test Tool (∇1.0) -- HTTP://WWW.SL.COL.CN PORT Com1 BaudRa 9600 Parity pNone Byte 8 Stop 1 Reset Clear Save To File Hex View Stop View Auto Clear View New Line Hex Send Mode Send Auto Send Load File Interval 1000 ms Counter Reset Clear 2013-05-08 14:03:35 Send:0 Receive:0 V1.0

Figure 12 Main Interface of Control Software

4.3.5 RS232 Communication Commands

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.	Switching the audio to input 2	A: 2 -> 1
3A1.	Switching the audio to input 3	A: 3 -> 1
0A0.	Mute Audio of MIC and Line out	Mute
1A0.	Mute audio of MIC	Mute MIC
2A0.	Mute audio of line out	Mute LIN
3A0.	Enable noise gate.	Gate On
4A0.	Disable noise gate.	Gate Off
0A1.	Unmute Audio	Unmute Audio
600%	Checking the working status	A: 1 -> 1Volume of MIC : 50Volume of LINE : 50Bass of LINE : 4Treble of LINE : 4Ducking Off
601%	MIC volume up	Volume of 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 volume level of ducking function.[xx] arranges from [00] to [60]. 61 degrees in total.	Ducking of LINE: 50
5[x][x]%	Preset MIC volume, [xx] arranges from [00] to [60]. 61 degrees in total.	Volume of MIC: 50
7[x][x]%	Preset line volume, [xx] arranges from [00] to [60]. 61 degrees in total.	Volume of LINE: 50
8[x][x]%	Preset the bass level, [xx] arranges from [00] to [08]. 9 degrees in total.	Bass of LINE: 4
9[x][x]%	Preset the treble level, [xx] arranges from [00] to [08]. 9 degrees in total.	Treble of LINE: 4

Notice:

- The letter inside bracket [ ] is the variable code, which is changeable.

- The bracket [ ] is not included to the RS232 commands.

- Any dot “.” after the letters is part of the commands.

- Ducking function:

When input with MIC, the volume of the line audio will be automatically turned down to the preset volume level. If there is no input MIC audio signal after 5 seconds, the volume will be automatically turned up to the original level. If you need to disable/enable the ducking function, just send the command "610%" again.

• ID coding:

The ID codes of the amplifier ranges from 0 to F (hexadecimal). When sending RS232 commands, please take notice of 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%.

There is no need to add "ID/" before the command when the ID code is 0.

Examples:

• Switching the input 2 to the line out, the command is: 2A1.
• Turning up the volume of line audio, the command is: 603%
• Preset the MIC volume to "21" degree, the command is: 521%
• Checking the working status of the amplifier, the command is: 600%
• If the ID code is 0, sending command 601% is able to turn up the MIC volume.

• If the ID code is 2, sending command 601% will not work and the MIC volume remains unchanged. The right command is 2/601%.

• Specifications

Audio Input
Input	(2) Stereo Audio(1) MIC(1) Digital Fiber Audio
Input Connector	(2) RCA(1) 3.5mm Jack(1) 3-pole 3.81mm Captive Screw Connector(1) SPF Fiber Connector
Input Impedance	>10KΩ
Audio Output
Output	(1) Mono Amplifier
Output Connector	(1) 3-pole 3.81mm Captive Screw Connector
Output Type	Constant voltage 70V or 100V.
Audio General
Frequency Response	120Hz ~ 20KHz
CMRR	>70dB@20Hz~20KHz
SNR	80dB (Max)
Bandwidth	120Hz ~ 20KHz
Rated Power Output	40Watt
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.
Optional	IR Remote & TCP/IP controlled by programmable interface
General
Temperature	-10 ~ +40°C
Humidity	10% ~ 90%
Power Supply	DC 24V 2.71A Power Adapter
Standby Power Consumption	5W
Case Dimension	W130 x H44 x D144mm (1U high)
Product Weight	860g

6. Panel Drawing

130 mm INPUTS CONTROL OUTPUT MIC AUXO H5292 COM TV 40V 44 mm 108 mm 13 mm 144 mm BZB2 GEAR® BG-AMPC40 INPUT SEL MIC LINE BASS TRENE MUTE 157 mm

Figure 13 Panel Drawing

1. Troubleshooting and Maintenance

Problems	Potential Causes	Solutions
No output audio	No signal at input/ output end	Check input/ output signal with an oscilloscope or a multimeter.
	Failed cable connection	Change for another cable.
	Broken unit	Send it to the dealer for repairing.
POWER indicator doesn’t work or no respond to any operation	Failed power connection	Make sure the power cord connection is good
Static becomes stronger when connecting the video connectors	Bad grounding	Check the grounding and make sure it is connected well.
Output audio interference
Cannot control the device with front panel buttons, RS232 port, or IR remote	Broken unit	Send it to the dealer for repairing.

8. Tech Support

Before contacting tech support, we may have answered your question already! Visit our BZBGEAR support page at bzbgear.com/support for valuable information on our products.

Here you will find our Knowledge Base (bzbgear.com/knowledge-base) consisting of tutorials, quick start guides, and step-by-step troubleshooting instructions. Also visit our YouTube channel BZB TV at youtube.com/c/BZBTVchannel for help setting up, connecting, and other how-to videos regarding our products.

If you still need answers, please call 1.888.499.9906, email [e-mail], or chat at bzbgear.com.

9. Warranty

BZBGEAR Pro AV products and Cameras come with a three-year warranty. An extended two-year warranty is available for our Cameras upon registration for a total of five years.

For an extended two-year warranty on our Cameras, follow these steps:

1. Register your Camera within 90 days of purchase by visiting bzbgear.com/warranty.
2. Complete the registration form. Provide all necessary proof of purchase details, including serial number and a copy of your sales receipt.

For complete warranty information, please visit bzbgear.com/warranty or scan the QR code below.

10. Mission Statement

BZBGEAR manifests from the competitive nature of the audiovisual and live streaming industry to innovate while keeping the customer in mind. AV solutions can cost a pretty penny, and new technology only adds to it. We believe everyone deserves to see, hear, and feel the advancements made in today's AV world without having to break the bank. BZBGEAR is your answer for applications requiring the latest pro AV and live streaming solutions.

You'll notice comparably lower prices with BZBGEAR while the performance and quality are on par with the top brands in the industry. Our team offers system design consultation and expert tech support seven days a week for all BZBGEAR products. Our unparalleled support is our way of showing we care for every one of our customers. Whether you're an integrator, home theater enthusiast, or a do-it-yourselfer, BZBGEAR offers solutions allowing you to focus on your project and not your budget.