Carol Btm-311rh User manual

BTM-311RH Bluetooth Amplifier

Read this section carefully and thoroughly.

To obtain the best performance, read this manual before

installing or using the product.

Be sure to follow the precautionary instructions listed in

this manual.

“Warning” and “Caution” are used to indicate the degree

of danger and damage when the product is not used cor-

rectly.

Precautions For Use

Warning:Indicates incorrect operation may result in severe per-

sonal injury or property damage if the instruction is ignored.

Caution:Indicates incorrect operation may cause common per-

sonal injury or property damage if the instruction is ignored.

Warning

Caution

BTM-311RH Bluetooth Amplifier

Do not attempt to disassemble or modify the equipment.

Doing so may result in product failure.

Keep dry. Do not expose the product to direct sunlight or

place the product at the environment with high level of

heat, moisture or dust. Avoid contact with acid, alkali or

organic solvent; it may cause product corrosion or defor-

mation.

Do not use this product when there is any obvious dam-

age.

If not in use for a long period of time, unplug the output

plug of power adapter from the Receiver, and remove the

batteries from the microphones, store the batteries sepa-

rately.

To avoid interfering with the display of a monitor, do not

place this product near electronic appliances that have

CRT, such as TV or computer monitor.

Avoid falling, or hitting by external force.

Do not let any form of liquid (water etc.) or foreign matter

enter the equipment. Failure to follow this warning may

cause re or electric shock.

Do not attempt to modify the product. Doing so may re-

sult in personal injury and/or product failure.

Keep this product, packaging and small parts away from

children and pets to avoid choking hazard.

Do not use a power adapter that has different specica-

tion. It may cause re or electric shock.

To avoid shock hazard when accidently step on the wire,

the power cord of the Receiver must be secured at a

proper place.

WARNING CAUTION

BTM-311RH Bluetooth Amplifier

The defect is not notied within Warranty Period.

Any damage caused as a result of improper storage or

use, accident, modication of the product, non-material

or non-workmanship defect, or any unreasonable usage.

Normal wear out (including consumption parts) and dam-

age to the product, broken cable, scratch, lost, stolen,

bended plug …etc.

Appearance items and decorative parts.

Warranty is void if the product has been modied by the

user.

TAIWAN CAROL ELECTRONICS CO.,LTD. Warrants that

this product shall be free from defects in material and

workmanship for a period of one year (12 months) from

the date of purchase by the distributor (“Warranty Pe-

riod”).

When a defect is found during the Warranty Period, CAR-

OL could repair the product free of charge with new or

renewed parts

The Warranty Period for such repaired product is the re-

maining Warranty Period of the original product, or sixty

(60) days after the repair date, whichever is longer.

Liability of CAROL is limited maximum to the initial net

purchase price paid for the product.

Limited Warranty This Limited Warranty does not cover

Without authorization, this Limited Warranty cannot be modied.

※

BTM-311RH Bluetooth Amplifier

Power Adapter

1. BTM-311RH Product Contents

1.1 BTM-311RH X1

1.2 International Voltage DC 20V Power Adapter X1

1.3 User’s Manual X1

Thank you for purchasing this BTM-311RH Bluetooth Ampli er. Please read

this manual carefully to understand the correct method of operation and

make the most of your ampli er.

Based on the basic design concept for fulfilling the modern living require-

ments, the BTM-311RH Bluetooth Ampli er is developed suitable for use by

individuals, schools, companies, institutions or others that need to use a

Bluetooth Ampli er system with integrated ampli er equipment. With its novel

design, beautiful styling and exquisite texture, it can provide users with con-

venient, simple and highly ef cient applications.

BTM-311RH can be connected with HDMI, microphones, external sound

sources, and Bluetooth wireless receiver inputs, and then integrate the

sounds to class-D adjustment of Treble and Bass according to their require-

ments. It can also convert HDMI video to CVBS format output. Moreover,

BTM-311RH can be used with our BTM Bluetooth Module Series.

Thank you 2. Parts Identi cation: ( as shown in Figure 2.1, 2.2 )

BTM-311RH

1 Power Button: Switches the ampliﬁ er on/off, with status LED.

2 Bluetooth Connecting LED: Lights up when the Bluetooth signal is received.

3 Bluetooth Pair Button: Turns the Bluetooth function and pairing on/off.

4 Bluetooth Volume Controller: Controls the output volume of the Bluetooth sound source.

5 Treble Controller: Adjusts the Treble to boost or attenuation.

6 Bass Controller: Adjusts the Bass to boost or attenuation.

7 Microphone Volume Controller: Controls the microphone output volume.

8 ø 6.3mm Female Jack: For connecting the microphone (Dynamic microphone only).

9 AUX Volume Controller: Controls the output volume (Line in / HDMI in) of the external

sound source.

ø 3.5mm Female Jack: For connecting the external sound source.

RCA Jack: Video Output (CVBS format).

HDMI Jack: Video Input (with sound and image).

Speaker Connector: For connecting the external speaker (4Ω~8Ω).

DC Power Receptacle: Connects DC adapter, and the polarity of the central pole is posi

tive.

ø 3.5mm Female Jack: For connecting the sound source.

( Figure 2.2 )

( Figure 2.1 )

345

6 7 8 9 10

11 12

14 15

BTM-311RH Bluetooth Amplifier

3. Operating Instruction

3.1 Setting up

3.1.1 Plug the input end of the DC Power Adapter to a wall outlet, and connect the output end

to the DC Power Receptacle on the BTM-311RH.

3.1.2 Connect the speaker to the Speaker Connector. Red indicates positive, Black indicates

negative.

3.1.3 Press the BTM-311RH’s Power Button to turn the power on. The status LED will continu-

ously light up green, it indicates the power is on.

3.1.4 Now, BTM-311RH is ready to be used with a microphone, sound source, and Bluetooth.

(as shown in Figure 3.1)

3.2 Audio & video conversion device (see Figure 3.2)

3.2.1 The signal source can be connected to the HDMI jack for image and sound inputs

3.2.2 Then, connect with RCA to convert into the CVBS format for image output.

3.3 Bluetooth Receiver:

3.3.1 The microphone and Bluetooth all have their own independent volume controller, so the

volumes can be adjusted individually, and you can adjust the ø 3.5mm and HDMI source

volume of the external sound source at the same time (as shown in Figure 3.3).

3.3.2 Adjusting the volume too loud or moving the microphone too close to the loudspeaker

might cause annoying feedback. When this happens, turn down the volume to avoid

feedback.

3.3.3 BTM-311RH has independent Treble and Bass Volume Controllers, so the users are

able to adjust the Treble or Bass individually (as shown in Figure 3.4).

( Figure 3.1 )

( Figure 3.2 )

( Figure 3.3 )

( Figure 3.4 )

Treble Bass

External Sound SourceMicrophoneBluetooth

BTM-311RH Bluetooth Amplifier

3.4 Bluetooth Receiver Operating Instruction:

3.4.1 BTM-311RH built a Bluetooth Receiver (RX) in for receiving signals from computers, cell

phones, and our BTM-210C/D Bluetooth Series.

3.4.2 Devices used to connect with BTM-311RH, such as a computer or cell phone, must be

equipped with a Bluetooth transmission function. Please refer to your device’s docu-

ment.

3.4.3 This Bluetooth Receiver can only work with ONE Bluetooth device at a time.

3.5 Bluetooth Receiver Operating Instruction

3.5.1 When the Bluetooth Receiver function is needed, press the Bluetooth “Pair” Button (for

about 3 seconds) when the BTM-311RH is on until the Bluetooth Connecting LED lights

up (as shown in Figure 3.5).

3.5.2 Bluetooth Connecting LED signals

3.5.3 When the Bluetooth function is on, it goes into scanning mode, and the Bluetooth Con-

necting LED will blink Green and Red in turn every second. At this time, a Bluetooth

transmission device (such as a cell phone or computer) can be used to pair with the

BTM-311RH.

3.5.4 To turn off the Bluetooth Receiver, press the Bluetooth “Pair” Button for about 3 sec-

onds. The Bluetooth Connecting LED will blink Red 4 times and then goes off. This indi-

cates the Bluetooth Receiver is now off.

3.5.5 If the pairing process does not work, press the Bluetooth “Pair” Button 5 times to reset

the Bluetooth Receiver. When the Bluetooth Connecting LED ashes Red quickly, it in-

dicates the memory has been cleared, and the Bluetooth Receiver will go into the scan-

ning mode (LED blinks Green and Red in turn every second), please repeat the pairing

process.

3.5.6 When connecting a computer or cell phone with the BTM-311RH, the device name will

appear as “CAROL BTM-311RH”, and the password is “0000” when needed.

4. Troubleshooting:

4.1 Cannot power on: Check if the DC adaptor is well connected.

4.2 No sound: Check if the speaker, AUX, and microphone cables are well connected.

4.3 Volume too low or too loud: Adjust the Volume Controllers to a suitable level, or adjust

the volume on the external sound source device (such as MP3 Player, CD player) /

Bluetooth sound source (such as cell phone, computer).

4.4 Bluetooth connect failed: It is suggested to delete the existing pairing from cell

phone/computer rst, and then start a fresh device scan. The existing pairing in BTM-

311RH also needs to be cleared.

Module LED signal

Bluetooth Receiver On Green blinks twice every second

Bluetooth Device Scanning Green and Red blink in turn every second

Sound Transmission Green blinks once every 2 seconds

Bluetooth Receiver Off Red blinks 4 times in 4 seconds

( Figure 3.5 )

BTM-311RH Bluetooth Amplifier

* Mounting Brackets

(1) Screw the brackets on left and right sides. The stabilizing face can be adjusted in 4

different directions.

(2) When the brackets are secured on BTM-311RH, mount the brackets with BTM-311RH at the

intended location.

5. Specication:

5.1 BTM-311RH :

Model: BTM-311RH

Quiescent Current: 150mA

Power Consumption: 50W (MAX)

Bluetooth Version: Bluetooth V2.1 EDR

Support: Advanced Audio Distribution Prole (A2DP)

HDMI Specication: HDMI Ver.1.4

Video Input: HDMI A-Type Female Jack

Microphone Input: ø 6.3mm Female Jack

External Sound Source Input: ø 3.5mm Female Jack

Sound Source Output: ø 3.5mm Female Jack

Video Output: RCA Jack, CVBS format

Output Connector: 2 Pin Speaker Connector, suitable for single driver speaker (4~8Ω)

Dimension: 210 mm (L) × 206mm (W) × 49.7 mm (H)

Weight: 690g± 50g

5.2 Power Adapter:

Input: AC 100/240V

Output: DC 20V/3.25

6. FCC Compliance Statement

6.1 Without manufacturer’s permission, modify or alter this equipment will void the user’s

right to operate this equipment.

6.2 In order to comply with FCC Radiation Exposure Limits, do not use or place together

the Receiver and its antennas with any other antenna or receiver.

6.3 This device complies with part 15 of the FCC Rules. Operation is subject to the follow-

ing two conditions: (1) This device may not cause harmful interference; (2) This device

must accept any interference received, including interference that may cause unde-

sired operation.

Stabilizing Face

FCC INFORMATION

The Federal Communication Commission Radio Frequency Intererence Statement includes the following paragraph:

This equipment 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 residential installation.

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.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of

the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

1. This Transmitter must not be co‐located or operating in conjunction with any other antenna or transmitter.

2. This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated

with a minimum distance of 20 centimeters between the radiator and your body.

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