Yifang Digital Technology EF193UE FM- Transmitter User Manual EF193UE EN
Shenzhen Yifang Digital Technology Co., Ltd. FM- Transmitter EF193UE EN
Users Manual
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Model No.: EF193UE
FM-Transmitter
User’s Manual
◎Please read this manual carefully before using.
◎This manual is subject to change without prior notification.
◎There may be discrepancy between this manual and the actual operation,
please refer to the actual operation or display.
For the sake of your safety, please read the following safety cautions before operation.
Safety Precautions
Do not subject the device to severe impact or drop it from high position.
Do not use the player in extreme hot or cold, dusty or damp field.
Do not expose it to direct sunshine.
Avoid using the player in strong magnetic field.
Keep the device away from water or other liquids. In the event that
water or other liquids enter the device, power off the product
immediately and clean it.
Do not use chemical solution to clean the device in order to avoid
corrosion. Clean it with a dry cloth.
We are not responsible for the damages caused by malfunction,
misusing, repairing the device or battery replacement.
Do not attempt to disassemble, repair or modify the product, or it will be
out of guarantee.
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Features
Read and playback the MP3/WMA file from the memory card/USB flash
disk
LCD Displays audio file information and frequency
Two optional play modes: Repeat All and Shuffle
LINE-IN function that enables you to enjoy music from the external audio
device such as CD, MD player
Rotary joint design convenient for you to adjust the device’s position
Frequency range is 88.1MHz~107.9MHz, between 0.2MHz.
Car cigar socket power supply (12V DC power)
Restore the last frequency, track number and volume when you restart the
device
Package Content
Main Unit Safety Fuse User Manual
Keys & Display
a. Memory
Card/Removable
Disk Indication
b. Elapsed Time
c. Play Mode
d. Current Frequency
e. Track Title
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Play Music
[Basic Operations]
Function Operation
Play/Pause
Press the key to play the
MP3/WMA file. The frequency is indicated
on the display. To pause during playback,
press the key. To resume, press it
again.
Switch Play Mode
This device provides two play modes:
Repeat All and Shuffle. You can switch
the play modes by pressing and holding
the key for a while.
Previous/Next
Press the key to play the previous
track or press the key to play the
next track.
Switch Channel
Press the “+” or “-” key to switch the
preset channels. When you switch to a
certain channel, the frequency is
indicated on the display.
Adjust Volume
Press and hold the key to decrease
volume, or press and hold the key to
increase volume.
[Play music on a removable disk]
1. Plug the USB flash disk that stores MP3 files into the USB port.
2. Insert the device into the cigarette lighter socket to draw 12 V DC
power.
3. Press the “+” key or “-” key to select the preset channel without
signal interference. You see the selected frequency indicated on the
display.
4. Tune the car FM radio to the same channel as indicated on the
display.
5. Now you can enjoy your MP3/WMA music by controlling the keys
on the device. For detail information about operation, see “Basic
Operation” section.
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[Play music on a memory card]
This device can read audio files stored on a SD/MMC memory card, and
transmit the audio signals to a FM radio for your listening.
1. Plug a memory card that stores audio files into the card slot beside
the USB port.
2. Insert the device into the cigarette lighter socket to draw 12 V DC
power.
3. Press the “+” key or “-” key to select the preset channel without
signal interference. You see the selected frequency indicated on the
display.
4. Tune the car FM radio to the same channel as indicated on the
display.
5. Now you can enjoy your MP3/WMA music by controlling the keys on
the device. For detail information about playback operation, see
“Basic Operation” section.
Note: If a removable disk and a memory card are both inserted properly, only
the audio files on the removable disk is transmitted and played.
[Play music on an extra audio player]
The device supports LINE-IN feature that enables you to enjoy the music from
an external audio device such as CD, MD player, etc. The external audio
source comes into the device through the line-in jack and is transmitted to the
FM tuner by the built-in FM transmitter. You enjoy the music through the FM
stereo audio system.
1. Connect one end of the LINE-IN cable to the line-in jack of the
device and connect the other end to the earphone jack of the
external audio device.
2. Turn on the external audio player and play the music.
3. Press the “+” key or “-” key to select the preset channel without
signal interference. You see the selected frequency indicated on
the display.
4. Tune the car FM radio to the same channel as indicated on the
display.
5. Now you can enjoy music with keys on the audio player.
Note: All keys except channel switch are unavailable when you use the line-in function.
You can only use the keys on the extra audio player to control the playback.
You can not use the Line-in or (USB flash disk/memory card stores) at the same time.
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Troubleshooting
Problem Solution
The frequency display does
not light up when I install
the device in the car.
Reinsert the device to the cigarette lighter. If
the problem still exists, try to replace the
safety fuse.
I cannot play the music on
the removable disk or
memory card.
● Reload the music files
● Reinsert the removable disk or memory
card
The display lights up, but
the keys don’t function Reinsert the device to the cigarette lighter.
The display lights up, but
there is no sound.
● Check whether the removable disk or
memory card is inserted well.
● Check whether the LINE-IN cable is
connected well.
● Check whether the music file is in a
supported format
● Adjust the volume.
There is noise when I tune
to a station
Make sure the frequency on the device and
the FM radio is the same.
Notice
Operation voltage for the device is +12V. Too high or too low voltage could
cause the device damaged or failed.
For the sake of safety, please insert the USB flash disk or memory card
before you plug the device into the car cigar socket.
The device supports most USB flash disks or memory card except a few.
Frequency of the car FM tuner should be the same as that of the device.
Do not pull out or insert a USB flash disk or memory card while the device
is being powered by the car cigarette lighter. If you want to, remove the
device from the socket first and insert or remove the disk or card before
you re-power the device.
The progress may be slow when the USB flash disk or memory card
stores too many audio files.
In order to extend the device life, please do not keep it in use for too long.
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Safety Fuse Replacement
When the device cannot work properly, it may due to the safety fuse failure.
Please replace the safety fuse following these steps if necessary:
1. Remove the device from the cigarette lighter socket.
2. Twist the tip of the cigar plug.
3. Remove the bad safety fuse and insert a new one (provided with the
package)
Technical Specification
Item Description
USB Interface USB1.1 (USB2.0 Compatible)
FM frequency range 88.1 MHz ~107.9MHz(with 0.2MHz Steps)
SNR ≥45dB
Audio frequency response 50HZ-15KHZ
Supported File MP3, WMA
Audio Source USB flash disk, audio player, memory card
Bit Rate 32Kbps—256Kbps
Safety Fuse 500mA, 250V
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FCC WARNING STATEMENT
FCC NOTE:
THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV
INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS
EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER’S
AUTHORITY TO OPERATE THE EQUIPMENT.
This device complies with Part 15 of the FCC Rules and RSS-210 IC Rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including
interference that may cause undesired operation.