Yifang Digital Technology EM193J Car MP3 Player User Manual EM193F ENG

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Document ID	620418
Application ID	KGJIYZ7qLTG9a7y3A4kX5Q==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	17.42kB (217714 bits)
Date Submitted	2006-01-18 00:00:00
Date Available	2006-01-18 00:00:00
Creation Date	2006-01-12 17:40:14
Producing Software	Acrobat Distiller 7.0 (Windows)
Document Lastmod	2006-01-12 17:40:14
Document Title	Microsoft Word - EM193F-ENG.doc
Document Creator	PScript5.dll Version 5.2.2
Document Author:	liuxiang

EM193F FM Modulator
User Guide
V1.1
Release Date: Jan. 9, 2006
◎Please
◎This
read this manual carefully before using.
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.
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: Normal and Random
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
13 preset channels within 88.1MHZ~89.1MHz and 106.7~107.9MHz.
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
Line-in Cable
Safety Fuse
User Manual
Keys & Display
a.
Memory Card/Removable Disk Indication
b.
Elapsed Time
c.
Play Mode
d.
Current Frequency
e.
Track Title
Play Music
[Basic Operations]
Function
Play/Pause
Switch Play Mode
Previous/Next
Operation
Press the
key to play the MP3/WMA file.
The frequency is indicated on the display. To
key. To
pause during playback, press the
resume, press it again.
This device provides two play modes: Repeat All
and Random. You can switch the play modes by
pressing and holding the
key for a while.
Press the
key to play the previous track or
press the
Switch Channel
key to play the next track.
Press the “+” or “-” key to switch the preset
channels. When you switch to a certain channel,
the frequency is indicated on the display.
Note: There are 13 preset channels: 88.1, 88.3, 88.5,
88.7, 88.9, 89.1, 106.7, 106.9, 107.1, 107.3, 107.5,
107.7, 107.9 MHz.
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.
[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.
Troubleshooting
Problem
Solution
The frequency display does not
Reinsert the device to the cigarette lighter.
light up when I install the device in
If the problem still exists, try to replace the
the car.
safety fuse.
I cannot play the music on the
● Reload the music files
removable disk or memory card.
● Reinsert the removable disk or memory
card
The display lights up, but the keys
Reinsert the device to the cigarette lighter.
don’t function
The display lights up, but there is
● Check whether the removable disk or
no sound.
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
Make sure the frequency on the device and
station
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.
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
88.1~89.1MHz; 106.7~107.9MHz
SNR
85dB
Output Frequency
20HZ-20KHZ
Supported File
MP3, WMA
Audio Source
USB flash disk, audio player, memory card
Bit Rate
32Kbps—256Kbps
Safety Fuse
500mA, 250V
FCC NOTICE
1. 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.
2. Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate
the equipment.

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