Gxtsonic Technology MMA-3755A Microphone Speaker User Manual

Gxtsonic Technology MMA-3755A Microphone Speaker

FCC NOTICE:

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.

FCC STATEMENT

1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
2. This device may not cause harmful interference, and
3. This device must accept any interference received, including interference that may cause undesired operation.
4. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

LOCATION OF CONTROLS:

1.  Play/pause button
2.  Previous song/decrease music volume level
3.  MIC VOL: Mic volume +/-, slide switch
4. ECHO: Echo+/-, slide switch
5. VOL : Music volume +/-, slide switch
6.  Next song/increase music volume level
7.  LED lights on/off
8. Power ON/OFF Switch; Mode Switch: Bluetooth/Micro SD card/USB reader
9.  Phone holder
10.   DC 5V: Micro USB charging port
11. Micro SD: Micro SD card port
12. OUT: Line-out port
13. USB: USB port

POWER SOURCE

Charging the Battery:
The unit has a built-in Li-ion rechargeable battery, charge it before first time use or when it is drained as follows:

1. Connect the small plug from the supplied USB Connection Cable to the Micro USB Port on the unit.
2. Connect the full-sized USB plug from the supplied USB Connection Cable to the USB Port on the Personal Computer or USB Charger (Computer and USB Charger not included) as illustrated below:
3. When charging, the Red Charging Indicator on the unit will illuminate. When finished charging, it will turn off.

NOTES:

1. When charging, you can play music or sing as usual.
2. Your battery will last longer if you are following these simple guidelines for caring and storing.
3. Before first time use, charge the unit approximately 4 hours until the unit is fully charged.
4. Charge and store the unit within the temperature range of 5°C – 35°C (40°F – 95°F).
5. Do not overcharge (longer than 24 hours). Excessive charging or running the unit until battery fully drains will damage the battery. Battery life will be extended if you keep the battery fully charged.
6. Battery life naturally shortens slowly over time.
7. The rechargeable battery incorporated in this product is not user replaceable.

BATTERY DISPOSAL WARNING!

To reduce the risk of fire or burns:
Do not disassemble, crush, puncture, or short external connector contacts. Use only with specified charger and player. Do not dispose of in fire or water. Do not dispose to high temperature above 60°C (140°F). Store between 0°C (32°F) and 60°C (140°F). Li-ion Battery Must Be Disposed Of Properly. Keep away from children. See operating instructions of this battery or product. Batteries should be recycled or disposed of as per State and Local guidelines.

OPERATION:

General Operation:

1. Charge the built-in Li-ion battery as previously instructed.

2. Power On

3. Long Press the power Button to switch to desired playback mode. The unit will sound a prompt with your selection (see list below):
   Note :
   If the TF (Micro SD) Card and /or USB Device has NOT been inserted into the unit, the corresponding selection will not available.

4. During playback: Press the button to pause; press again to resume to normal playback. Press and release the or buttons repeatedly to adjust volume level as desired. Press and hold the or to skip tracks. buttons repeatedly

5. When finished listening, turn off power Button to shut off the unit.
   
   

BT MODE

For first time use or re-pairing the unit to a new BT Device, follow instructions below:

1. Power on the unit and enter to BT mode as previously instructed. You will hear an audible prompt say, “Bluetooth ready for connection”.

2. Power on the external BT Device and enter to BT searching mode. Start pairing following the on-screen instructions from the external BT Device. When paired, the unit will sound a prompt “Bluetooth connected”.

3. If pairing is complete you may now play music with your external BT Device.

4. During playback:

5. Use the Volume Controls on the paired BT Device to adjust volume level as desired.

6. Using the Pause; Skip Controls on the paired BT Device to pause, skip tracks as desired.

7. Sing or speak to the Microphone. Then:
   A. Slide the MIC VOL (Microphone Volume) Control Knob on the unit to adjust the volume level of the Microphone as desired.
   B. Slide the ECHO (Microphone Echo Effect) Control Knob to adjust the echo effect of the Microphone as desired.
   C. Slide the VOL (Music Volume) Control knob to adjust the volume level of the music as desired.
   Note: If feedback noise (high audio frequency noise) is coming from the speaker, reduce the music volume level or reduce the microphone volume level by sliding the MIC VOL (Microphone Volume) Control Knob downward.

8. To shut off the unit, press and hold the power Button on the unit.

Notes:

• When the external BT Device searches for the unit, our model number “MMA3755” will appear on the display of external BT Device.
• If while pairing you are asked for a code, please try “0000” or “1234”.

Normal operation after paired

1. Power on the external BT Device and enter to BT mode.
2. Press and hold the Button on the unit to power on the unit.
3. Wait a few seconds until the unit auto pairs to the external BT Device.
4. If pairing is complete you may now play music and/or sing with your external BT Device.

TF (Micro SD) Card:

To play the music in TF (Micro SD) Card:

1. In power off mode, insert the TF (Micro SD) Card (notincluded) into the TF (Micro SD) Card Slot contacts facing up as illustrated below:
2. Power on the unit and enter to TF (Micro SD) Card mode as previously instructed:
3. You will hear an audible prompt say, “Memory Card”.
4. Music in the card will be played back automatically.
5. During playback: Press the forward Button on the unit to pause; press again to resume to normal playback. Press and release the backward or forward buttons repeatedly to adjust volume level as desired.Press and hold the to skip tracks.backward or forward buttons repeatedly
6. When finished listening, turn off power Button to shut off the unit.

Notes:

• Up to 16GB TF (Micro SD) Card/USB Device supported.
• When inserting the TF (Micro SD) Card/USB Device, make sure the direction you selected is correct. Never insert violently to avoid damaging the TF (Micro SD) Card/ USB Device or the unit. If it does not work, please check if the direction is correct.
• Before replacing TF (Micro SD) Card/USB Device, make sure the unit has been powered off.
• You also need to download the desired music in MP3 format into the TF (Micro SD) Card/USB Device before insert into the unit.

AUX OUT

To listen to music and sing through the external Audio Power Amplifier:

1. Power on the unit and enter to BT playback mode as previously instructed.

2. Connect one end of the supplied Audio (OUT) Connection Cable to the AUX In/Line in Jack on the external Audio Power Amplifier as illustrated below:

3. Connect the other end of the Connection Cable to the AUX (OUT) Jack on the unit as illustrated above. The unit will automatically switch to AUX (OUT) mode.
   ( Note : Sound from the speaker will automatically cut off).

4. To resume to normal playback mode, unplug the cable from the AUX (OUT) Jack.

USB

To play music in a USB Device:

1. In power off mode, connect the USB Device (not included) into the USB Port as illustrated below:
2. Power on the unit and enter to USB mode as previously instructed:
3. You will hear an audible prompt say “USB”.
4. Music in the USB Device will be playback.
5. During playback: Press the forward Button on the unit to pause; press again to resume to normal playback. Press and release the or backward or forward  buttons repeatedly to adjust volume level as desired.Press and hold the. backward or forward Button to shut off to skip tracks
6. When finished listening, turn off power Button to shut off the unit.

TROUBLESHOOTING

Check the following before requesting service:

SYMPTOM| POSSIBLE CAUSE| POSSIBLE

SOLUTION

---|---|---
Can’t

power on

| Built-in battery drained| Recharge the

battery as page 3-4

The unit is in power off mode| Turn on

Button to power on the unit.

No sound| Volume of the| Increase the
or sound weak| unit was set to minimum position| volume level by press and release the forwad   Button

repeatedly

---|---|---
Volume level of paired/connected device is in low

level

| Rise the volume level of the paired/connected

device

Sound distortion| Volume level too high| Reduce the volume level by press and release the backward Button

repeatedly

Volume level of the paired/connected device too high| Reduce the volume level of the paired/connected

device

BT not functioning| The external BT

device had NOT paired to the unit

| Pair the external

BT device to the unit as page 5-7

The external BT device too far from the unit| Place the external BT device close to the unit

SPECIFICATIONS

Power Source| Built-in DC          3.7V, 1200 mAh (4.44WH) rechargeable Li-ion Battery; recharge by DC           5 V through DC

5V (Micro USB) Port

---|---
Impedance of Speakers| 5Watt, 3 Ohm
Audio Power| 3Watt (RMS)
BT Version| 5.0
BT Operation Distance| 10m (30 feet in open area)

PACKAGE INCLUDES

1 x MMA3755 Bluetooth Speaker
1 x Owner’s Manual
1 x USB Connection Cable (For charge only)
1 x Audio (out) Connection Cable with 3.5mm Plugs
SPECIFICATIONS AND ACCESSORIES ARE SUBJECT TO CHANGE WITHOUT NOTICE

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