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.
LOCATION OF CONTROL Main Unit: 10 11 MIC (Microphone) Volume Control Knob Power On-Off/Volume Control Knob AUX (In) Jack MIC IN ( Microphone In) Jack MODE Button REP/ (Repeat/Light On-Off) Button Button Button Button USB Port TF (Micro SD Card) Slot USB 5V (Micro USB) Port (For charging only) Indicators LED Display...
POWER SOURCE: Main Unit: The unit has a built-in Li-ion rechargeable battery, charge it before first time use or when it is drained (or the red indicator “ ” appears on the display and blink) as follows: 1. Connect the small plug from the supplied USB Connection Cable to the USB 5V (Micro USB) Port on the front of unit.
Remote Control: 1. For first time use, remove and discard the insulation film as illustrated below: 2. Replacing the button cell when it is drained as follows: Push and slide out the button cell as shown below. Replace the button cell with new CR2025 button cell with the polarity markings on the rear of the Remote Control.
EFFECTIVE DISTANCE OF REMOTE CONTROL 15 Feet 1. When there is an obstacle between the unit and the transmitter, the transmitter may not operate. 2. When direct sunlight, an incandescent lamp, fluorescent lamp or any other strong shines on the remote control of the unit, the remote operation may be unstable. OPERATION: General Operation: 1.
Page 7
Note: If the Audio Connection Cable; Micro SD Card and/or USB Device had NOT inserted into the unit, the correspondence selection will not be available. 4. During playback: Turn the Power On-Off/Volume Control Knob on the unit (Or, press the VOL (Volume) +/- buttons on the Remote Control) to adjust the volume level as desired.
Page 8
3. If pairing is complete you may now play music with your external BT Device. Notes: When the external BT Device searched the unit, our model number “MMA3778” will appear on the display of external BT Device. If while pairing you are asked for a code please try "0000" or "1234".
Page 9
TF (Micro SD Card): To play the music in TF (Micro SD) Card: 1. In power off mode, insert the TF (Micro SD) Card (not included) into the TF (Micro SD) Card Slot on the front of unit with contacts facing down as illustrated below: MODE REP/LIGHT 2.
Page 10
3. Power on the unit and enter to AUX IN mode as previously instructed: You will hear an audible prompt say “Aux in”. “AUX” will appear on the display. 4. Play the music on the connected Player as usual. (Make sure the volume level of the connected Audio Player is turned to high level.) 5.
OPERATION: Check the following before requesting service: SYMPTOM POSSIBLE CAUSE POSSIBLE SOLUTION Can’t power on Built-in battery drained Recharge the battery as page 4 The unit in power off mode Turn the Power On-Off/Volume Control Knob to power on the unit No sound or Volume of the unit was set to Increase the volume level by turn the...
Need help?
Do you have a question about the MMA3778 and is the answer not in the manual?
Questions and answers