MiraDeed MD-4 User manual

MiraDeed Technology Corp.,
Car-MP3
MD-4
Operation Manual

Thank you for Buying
The versatile MD-4 built with the most advanced On-The-Go (OTG) technology for the best adaptability
of Pen-Drives (USB-Drives) in market. The device reads MP3/WMA file stored in devices such as
Pen-drives / MP3 / CD / MD player, through USB interface or Audio terminal. Plugging the device to the
car-cigarette socket and tuning in your car stereo FM channel. You can enjoy your favorite songs via
down-loaded digital music while driving.
HANDLE WITH CARE
 Please operate within Temperature -20ºC~80ºC
 Keep it away from fire, water and magnet
 Please avoid dropping as possible as you can
 Please don’t resolve this device
OPERATING NOTE
 Please turn off the power when you don’t use it
 When you want to plug-in or remove your Pen-Drive from this device, please turn-on or turn off first,

because the rash current may will damage your Pen-Drive
 Please don’t plug-in your Pen-Drive violent
 Please don’t turn around the player violent
 All violent using may will cause hang-up, please re-plug-in the Pen-Drive or reset while hang-up
 Please carefully operate the MP3 player when you are driving in order to avoid carelessly accident
 Please plug-in the external antenna or retuning the FM channel when noise occurred
There’s severe noise occurred when close by driving near by broadcasting station, please retuning the FM
channel or turn-off the power for a while.
FEATURES
 Built-in FM stereo transmitter
 The host controller conforms to Full-speed (12Mb/s) USB Specification, Version 1.1
 Supports the USB flash disk device (Version 1.1 or 2.0) with Mass storage class
 Supports File System including FAT12/ FAT16/ FAT32
 Supports all memory capacity (from 16MB to 1GB or above) USB Flash disk devices.

 Automatically searching for whole disk ( MP3 / WMA Files )
 Input buttons for Play-Pause, forward , backward, Reset , and Channel selection
 4 channels ranging 106.7 ~ 107.3MHz, with LED indicators
 Extra Phone Jack For Stereo Audio input
 Power supply at 12 and 24V DC, switching automatically.

CONFIGURATION

CONTROLS & FUNCTIONS
CHANNEL INDICATORS
An array of 4 LED’s indicates the frequency channel being set for operation
CHANNEL SELECTING KEY
Switching to set a transmitting frequency channel (on the back side)
PLAY-PAUSE KEY w/LED
1. LED lights on when plug into car cigarette charger, indicating the device is powered .
2. Insert your USB drive and MD-4 searching the music automatically.
3. LED blinks at a low rate (about 2.5" interval) when system is ready to play.
4. Pressing PLAY/PAUSE key for starting to play.
POWER/RESET KEY
Press POWER/RESET key twice to correct error
Or restart the system from default setting when system error occurred.
SKIP FORWARD KEY
Press to skip to the next track / song .

SKIP BACKWARD KEY
Press to skip to the previous track / song .
SYSTEM SET-UP
1. Start your car engine
2. Plug MD-4 in the car cigarette charger and make sure of its firm contact, while Power LED lighting.
3. Insert a music-loaded pen-drive to USB interface, or connect to your audio equipment like CD/MD/MP3
player via Aux terminal.
OPERATION
1. Select a transmitting channel.
2. Tune car-stereo FM band to receive the music from MD-4.
3. Repeat the procedure above until the best-reception frequency is found.
4. Adjust volume level of car stereo to your comfort.

USEFUL CLUES
 Pen Drive incompatible
If PLAY –KEY LED keeps lit on without blinking after Pen Drive is inserted, it could be
the pen drive is not a compatible type. Please change your Pen Drive to a suitable one.
 DISPLAY –KEY LED blinks with no music from car speaker.
This could be the data stored in your Pen-drive is not a MP3/WMA music format. Please check and
make sure the Pen -drive is downloaded with MP3/WMA music format.
CAUTION
Since your Car-MP3 is a delicate device using digital technology like computers, it is recommended that
following cautions are well observed to assure its proper operation:
1. Plug the device only after your car engine started to avoid possible high-current damage.
2. Plug and unplug USB pen drive gently, as rapid actions may cause the device to hang up.
Switch "RESET" key to return its normal operation in case the device hangs up.
3. Connect one source only to the device, pen-drive or audio equipment, although there are two input sockets in
the device. Input two sources simultaneously may cause the device to mal-function .

BRIEF SPECIFICATION
 Net weight : about 55g
 Dimensions : 94H x 43W x 28D mm

FCC Statement
Federal Communications Commission (FCC) Statement
RADIO FREQUENCY INTERFERENCE BTATEMENT
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: 1) this device may not cause harmful interference, and 2) this device must accept
any interference received, including interference that may cause undesired operation.
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 correct the interference by one or more of the following measures:
- Reorient the receiving antenna.
- Increase the separation between the equipment and receiver.

- Connect the equipment into and outlet on a circuit different from that to which the receiver is
connected.
- Consult the dealer or an experienced radio/TV technician for help.
Any special accessories needed for compliance must be specified in the instruction manual.
You are cautioned that changes or modifications not expressly approved by the party responsible for
compliance could void your authority to operate the equipment.