Operation
1. Power on
Once turned on, after 3 seconds the system will search for previous paired devices for 20
seconds with its LED blinking slowly. After 20 seconds if no paired devices are found, it will
commence new pairing sequence automatically. It will start the pairing sequence for 3
minutes before returning to the initial sequence of locating previously paired device.
2. BT Pairing ON (manually)
Depress for 3 secs, pairing mode
sequence will commence. If
prompted for security code,
please key in "0000".
3. BT Pairing with BT audio device
Pairing with Bluetooth music devices. Once paired, Bluetooth LED will blink for 2
seconds once about every 5 to 6 seconds interval. (skip this step if both MD312 and
music device had saved this profile before)
iPhone, iPad or iPod
go to SET TINGS > GENERAL > enable BLUETOOTH > select MD312
Android Phone
go to SET TINGS > WIRELESS & NET WORKS > enable BLUETOOTH > select MD312
Others
EN
read the instruction manual included with your BT music device > enable BLUETOOTH >
select MD312.
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4. BT playback
Once connected, you can commence the music playback either on the mobile phone, tablet or notebook, etc.
The sound will be transferred wirelessly to the MD312 system directly. During streaming, the LED will blink
once for 2 seconds duration in 5 seconds intervals.
Depress the + or - buttons for volume adjustments. The LED will illuminate in green steadily once depress.
To mute the playback, depress the Mute button and the LED will illuminate in green constantly till it is depress
again to deactivate.
5. AUX IN mode
Connect the 3.5 mm stereo source to the AUX IN jack.
This will immediately disconnect the Bluetooth mode if it is on.
Commence your media player via the 3.5 mm stereo connection.
6. Battery charging (Lithium battery type: BL-5C)
Connect the charging adapter to mini-USB port of the speaker . Ensure the speaker system is turned off for
charge. The system will commence its auto charging mode. The LED will illuminate in bright red colour. Once
fully-charged, it will be turn dim red. Please initial charge the system for 4 hours prior to first.
Blue LED blink rapidly
Paired
and
MD312
MD312
Paired successfully
will blink twice
in 5 to 6 seconds intervals
MD312
MD312
Technical Information
Amplifier
Total Power:
4 Watt RMS
Power distribution:
1.25 Watt x 2 + 1.5 Watt
Harmonic distortion:
< 5% 1 W 1 kHz
Frequency response:
40 Hz - 18 kHz
Signal/Noise ratio:
> 65 dB
Separation:
> 45 dB
Speakers
Tweeter type:
2" x 2
Tweeter rated power:
2 Watt 4 Ohm
Woofer type:
3"
Woofer rated power:
5 Watt 2 Ohm
Interfaces
Output:
NIL
Input:
3.5mm stereo jack, mini-USB charging port
Wireless:
Bluetooth 2.1 + EDR, and A2DP
Frequently Asked Questions (FAQ)
Questions
Check if the system is powered on or battery is
replaced with fresh BL-5C type
LED do not light up
Please perform an initial charge of 4 hours prior
to initial use.
Check if the audio source is properly paired and
connected. Secondly check if the 3.5mm stereo plug
is correctly inserted for AUX mode.
No Sound
Ensure volume is correctly set
Please check the audio source distance, try to place
Intermittent sound
it nearer to the speaker system.
Simply connect the system to the supplied Charging
How to charge the system?
adapter. After charged the LED will turned off.
Any Bluetooth enabled music devices and playback
What are the products
devices such as PC, Media players with 3.5mm
supported?
stereo plug.
Check if the volume is at lower level and the Mp3
Sound is distorted
format is recorded at above 196 bitrate
It is magnetically shielded so can be placed
Where to place this speaker
near LCD TV Monitor without any distortion
If the problem still exists, please contact the distributor or ask for professional service
Answers
EN
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