FMUser cze-01a User manual

FU-X01
1W FM
User Manual
This
user manual
products:
 FU-X01A—
Standard Configuration
battery modules）
 FU-X01B—
Intermediate Configuration
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷
1W FM
T
ransmitter
User Manual
user manual
is compatible for
the following
Standard Configuration
（simple functions without
Mp3,
Intermediate Configuration
（
include Mp3, Bluetooth and battery modules
广州市汉婷
信息科技有限公司
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16
ransmitter
the following
Mp3,
Bluetooth and
include Mp3, Bluetooth and battery modules
）

 FU-X01C—
dvanced Configuration
card and rechargeable
battery
FMUSER International Group INC.
specifications and contents
included in th
Including but not limited to
the
FMUSER will not assume
the related responsibilit
Using this transmitter please
management departments.
Parties of using the machine
responsibilities. Our company

Using this wireless FM transmitter must comply with the regulations of the local
government. Improper use may violate the law;

Do not use wireless FM transmitter in a flammable, explosive environment;

Do not use the wireless FM transmitter with

Please do not expose wireless FM transmitter to long periods of direct sunlight or put it
in near heating devices;

If there are any odors or smoke, please
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷
dvanced Configuration
（
include Mp3, Bluetooth and battery modules, TF
battery
）
FMUSER International Group INC.
reserves the right to
change and modify
included in th
is FU-
X01 Technical Description
the
printer errors and other relevant errors
of this publication.
the related responsibilit
y.
Using this transmitter please
abide by the local related
laws and regulations of r
Parties of using the machine
will assume the
and dealers will assume
no responsibility of this.
Attentions
Using this wireless FM transmitter must comply with the regulations of the local
government. Improper use may violate the law;
Do not use wireless FM transmitter in a flammable, explosive environment;
Do not use the wireless FM transmitter with
damaged antenna;
Please do not expose wireless FM transmitter to long periods of direct sunlight or put it
If there are any odors or smoke, please
shut off the electrical power immediately
广州市汉婷
信息科技有限公司
2
/
16
include Mp3, Bluetooth and battery modules, TF
change and modify
the
X01 Technical Description
without notices.
of this publication.
laws and regulations of r
adio
will assume the
resulting legal
no responsibility of this.
Using this wireless FM transmitter must comply with the regulations of the local
Do not use wireless FM transmitter in a flammable, explosive environment;
Please do not expose wireless FM transmitter to long periods of direct sunlight or put it
shut off the electrical power immediately
.


Appearance and Illustration
1. Front Panel Illustration
①LED panel
②Volume
③Press and Hold--On/Off
Press-- Play/Pause (under
TF
mode)
④Decrease, Previous
(under TF card play mode)
⑤Increase, Next
(under TF card play mode)
2. Rear Panel Illustration
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷
Appearance and Illustration
TF
card play
⑥RF power output
⑦
Volume of microphone
⑧
udio Source Switching
⑨Frequency R
egulation
⑩Press:
Stereo/Mono
Press and Hold :
Pre
75us/50us
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信息科技有限公司
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Volume of microphone
udio Source Switching
egulation
Stereo/Mono
Pre
-emphasis

①Power Supply Input(12V
1
②TF Card Slot
③Stereo Input (RC -L)
④Stereo Input (RC -R)
3. LCD Panel
①LINE IN Volume
②RF Power Output
③MIC Volume
④Stereo/Mono
⑤Battery Power
⑥Current Frequency
⑦ udio Input
⑧Pre-emphasis
⑨Serial Number of
Playing Song
card play mode）
⑩Current Play Mode
(TF card mode)
⑾ Current Play Mode
(Bluetooth mode)
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷
1
，2. 1mm) ⑤MIC Input (Interface
3.5mm
⑥
Data Communication
⑦ ntenna Input (
Interface
Playing Song
（under TF
(TF card mode)
(Bluetooth mode)
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信息科技有限公司
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16
3.5mm
)
Data Communication
Input(USB-B)
Interface
TNC-J)

 Key Features
1. RF output power is adjustable from 0~1w by 10 levels.
2. udio pre-emphasis is
switchable
3. Mono and stereo are
switchable
4. Microphone input volume will be tu
main volume will be tuned down automatically.
5. uto power off when
there is
6. Battery Saving: When
the device is powered by battery
reduce to the mini
mum brightness after 30 seconds
7. Save Setting:
Current settings
next start-up.
8. Support of inputting audio
from
distance is about 8 meters.
9. Support
audio play through TF card, memory up to 32G.
10. Support up to 1000 MP3
format

Key Functions and
1. Button
1) Power ON: Connect
the transmitter to the power adapter, press the button and it will light
up. t the same time,
the screen
2) Power OFF: Press
and hold
will be
light off as the device is turned off.
3) Play/Pause: Under
Bluetooth
audio files.
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
1. RF output power is adjustable from 0~1w by 10 levels.
switchable
between 50US/ 75US.
switchable
.
4. Microphone input volume will be tu
rned up in priority when there is
voice
main volume will be tuned down automatically.
there is
no audio input within 5 minutes.
the device is powered by battery
,
the LED panel will automatically
mum brightness after 30 seconds
to save energy.
Current settings
of power output and broadcast frequency
from
external Bluetooth device, effective
communication
audio play through TF card, memory up to 32G.
format
songs.
Key Functions and
Operation
the transmitter to the power adapter, press the button and it will light
the screen
starting showing contents as the device starts working.
and hold
the button for 2 seconds
during working status, the screen
light off as the device is turned off.
Bluetooth
or TF card play mode, press the
to pause or play
广州市汉婷生 技术开发有限公司
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voice
input, while the
the LED panel will automatically
of power output and broadcast frequency
will be saved for
communication
the transmitter to the power adapter, press the button and it will light
starting showing contents as the device starts working.
during working status, the screen
to pause or play

2.
and Buttons
Adjust F
requency, Volume, MIC volume or
To adjust f
requency, volume, MIC volume or
decrease
or increase by one level
increase continually(at
1MHZ stepping.)
MP3 lay mode:
Next,
Bluetooth lay mode:
Next,
3. VOL Button
Main volume Adjustment
Introduction：Press t
his button
or now to
increase or decrease the
confirm setting. The valid adjusting period is within 15 seconds from the twinkle of icon
every time you press the or
The icon will stop blinking when switch to other setttings from the VOL adjustment during
the setting peiod.
4. MIC Button
MIC Volume Adjustment
Introduction：Press t
his button,
or now to
increase or decrease the
again to confirm setting. The valid adjusting period is within 15 seconds from the twinkle of
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
requency, Volume, MIC volume or
Power Out ut
requency, volume, MIC volume or
power output, press the
or increase by one level
at a time.
Press and hold the and
1MHZ stepping.)
Next,
Previous
Next,
previous
his button
, the VOL icon on LED screen starts
blinking
increase or decrease the
main
volume, press the VOL button again to
confirm setting. The valid adjusting period is within 15 seconds from the twinkle of icon
every time you press the or
button.
The icon will stop blinking when switch to other setttings from the VOL adjustment during
his button,
the MIC icon on LED screen starts
blinking
increase or decrease the
microphone
volume, press the
again to confirm setting. The valid adjusting period is within 15 seconds from the twinkle of
广州市汉婷生 技术开发有限公司
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and to
Press and hold the and
to decrease or
blinking
, press
volume, press the VOL button again to
confirm setting. The valid adjusting period is within 15 seconds from the twinkle of icon
The icon will stop blinking when switch to other setttings from the VOL adjustment during
blinking
, press
volume, press the
MIC button
again to confirm setting. The valid adjusting period is within 15 seconds from the twinkle of

icon every time you press the or button.
The icon will stop blinking
when swit
the setting peiod.
5. POWER Button
Power Adjustment Function
Introduction：Press t
his button,
or now to
increase or decrease the
to confirm setting. The valid adjusting period is within 15 seconds from the twinkle of icon
every time you press the or button.
The icon will stop blinking when switch
during the setting peiod.
6. UDIO Button
Working Status Switching
The icons of C RD, LINE OR BLUETOOTH on LED screen lights up steadily during their
working
status respectively. When the icons of C RD twinkles, it means the play is paused,
or the card is not reading correctly. Press the play button to check, if there is still no audio
out, take out the TF card and insert into the device to try again. If the p
please check if the card status or the file formats in the TF card. Please refer to TF card
format instructions in this manual for more details about this checking part.
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
icon every time you press the or button.
when swit
ch to other setttings from the MIC
adjustment during
his button,
the POWER icon
on LED screen starts
increase or decrease the
power output, press the
POWER
to confirm setting. The valid adjusting period is within 15 seconds from the twinkle of icon
every time you press the or button.
The icon will stop blinking when switch
to other setttings from the POWER
The icons of C RD, LINE OR BLUETOOTH on LED screen lights up steadily during their
status respectively. When the icons of C RD twinkles, it means the play is paused,
or the card is not reading correctly. Press the play button to check, if there is still no audio
out, take out the TF card and insert into the device to try again. If the p
roblem is not solved,
please check if the card status or the file formats in the TF card. Please refer to TF card
format instructions in this manual for more details about this checking part.
广州市汉婷生 技术开发有限公司
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adjustment during
on LED screen starts
blinking, press
POWER
button again
to confirm setting. The valid adjusting period is within 15 seconds from the twinkle of icon
to other setttings from the POWER
adjustment
The icons of C RD, LINE OR BLUETOOTH on LED screen lights up steadily during their
status respectively. When the icons of C RD twinkles, it means the play is paused,
or the card is not reading correctly. Press the play button to check, if there is still no audio
roblem is not solved,
please check if the card status or the file formats in the TF card. Please refer to TF card
format instructions in this manual for more details about this checking part.

7. FREQ Button
Frequency Regulation Function
Introduction：Press t
his button,
or now to
increase or decrease the
confirm setting. The valid adjusting period is within 15 seconds from the twinkle of
every time you press the or button.
The icon will stop blinking when switch to other setttings from the FREQ adjustment during
the setting peiod.
8. ST/MO Button
1. Press the button
to switch audio output mode
2. Press and hold the button
to switch pre
 Technical
Specifications
1
Voltage: 12V
2
Current: <0.4
3
Frequency range:
76~108MHZ
4
Frequency tepping:
100KHZ
5
Working temperature
:
6
Audio frequency re pon e
50Hz~15000Hz
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
Frequency Regulation Function
his button,
the FREQ icon on LED screen starts
blinking
increase or decrease the
frequency，
press the FREQ button again to
confirm setting. The valid adjusting period is within 15 seconds from the twinkle of
every time you press the or button.
The icon will stop blinking when switch to other setttings from the FREQ adjustment during
to switch audio output mode
between MONO and
STEREO.
to switch pre
-emphasis between
50US and
Specifications
12
Frequency deviation: +
13
SNO Rate: > =60dB
76~108MHZ
14
Pre-empha i :
50/75US
100KHZ
15
Antenna Impedance
:
-10~45
16
Product dimen ion
:
Audio frequency re pon e
:
17
Package ize:
253*183*70mm
广州市汉婷生 技术开发有限公司
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blinking
, press
press the FREQ button again to
confirm setting. The valid adjusting period is within 15 seconds from the twinkle of
icon
The icon will stop blinking when switch to other setttings from the FREQ adjustment during
STEREO.
50US and
75US.
Frequency deviation: +
－75KHZ
SNO Rate: > =60dB
50/75US
witchable
Antenna Impedance
: 50 Ohm
:
162*120*40MM
253*183*70mm


Operation Instruction for Play part
1. MP3 part：
1) Read the TF Card:
Insert the blank TF card
into card reader and connect it with computer.
The computer shows card storage as
shown in Picture 1.
2) Format TF Card:
Right click on the
icon of card disk,
chooseFormat option, then
choose F T32 under the File system option,
click confirm to start the
formatting
(see Picture 2 for reference )
7
Stereo eparation ：
>=
8
Audio input level：
15dBV
9
RF Output power : 0-
1W, 11 level
adju table
10
Harmonic and clatter
: <=
11
Audio di tortion ：<=
0.2%
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
Operation Instruction for Play part
Insert the blank TF card
into card reader and connect it with computer.
The computer shows card storage as
shown in Picture 1.
Picture 1
Right click on the
chooseFormat option, then
choose F T32 under the File system option,
formatting
.
Picture
>=
40dB
18
Device N.W.
(without
15dBV
19
Device N.W.（
with batt
1W, 11 level
20
Package G.W.(
without
: <=
-60dB
21
Package G.W.
(with
0.2%
广州市汉婷生 技术开发有限公司
9 / 16
Picture 1
Picture
2
(without
battery)：298g
with batt
ery）:419g
without
battery)：861g
(with
battery)：987g

3) Co y Songs to TF Card:
Copy audio files from computer disk
pop out the card disk and remove card reader from computer USB interface.
4
) Play audio files from TF card
transmitter to switch to C RD play mode, then the transmitter plays audio files from the
card automatically by sequence in loop. (The default sequen
files
copied into the card, you c
copying audio
files into the card)
2. Operation of
Bluetooth:
1)
Connect the power and turn on the transmitter.
2) Turn on the Bluetooth on mobile phone, click scan to find the
transmitter
and choose connect
3) fter the connection is
successfully
be broadcasted out from the transmitter.
4)
The play of audio files can also be controlled by pressing corresponding buttons on
transmitter.
 Precautions
of Machine:
1. Please connect the
antenna
operations afterwards.
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
Copy audio files from computer disk
to TF card, then
pop out the card disk and remove card reader from computer USB interface.
) Play audio files from TF card
: Turn on the transmitter
, press udio button
transmitter to switch to C RD play mode, then the transmitter plays audio files from the
card automatically by sequence in loop. (The default sequen
ce is classified by the
copied into the card, you c
an set the playing order by
arranging time
files into the card)
Bluetooth:
Connect the power and turn on the transmitter.
2) Turn on the Bluetooth on mobile phone, click scan to find the
Bluetooth
and choose connect
.
successfully
done,
play the audio files from mobile phone, they
be broadcasted out from the transmitter.
The play of audio files can also be controlled by pressing corresponding buttons on
of Machine:
antenna
to transmitter first, then turn on the power and do other
广州市汉婷生 技术开发有限公司
10 / 16
to TF card, then
choose
pop out the card disk and remove card reader from computer USB interface.
, press udio button
on the
transmitter to switch to C RD play mode, then the transmitter plays audio files from the
ce is classified by the
time of
arranging time
sequence of
Bluetooth
name of the
play the audio files from mobile phone, they
’ll
The play of audio files can also be controlled by pressing corresponding buttons on
to transmitter first, then turn on the power and do other

2. The working voltage
of the transmitter
damaged if the voltage is higher or lower than 12V.
 Precautions
of
1. Before using the
card play mode
into the
card slot when the transmitter is at OFF status.
2. It is
strongly recommended that
before
using on the transmitter.
3. The only
file format allowed on the TF card is MP3 format, otherwise the files can
played through the transmitter. If the transmitter suddenly shut down
audio file format,
please turn off
the wrong
files and restart the transmitter
4. Please do not take
out the TF card when the power is
damaged.
If the transmitter suddenly shut down because of the wrong operation of TF card,
pl
ease press the power button to turn on the transmitter again
5. The TF card can support
up to 100
to avoid harming the transmitter.
 Precautions
of luetooth
1. Before using the Bluetooth
, please
transmitter in case they affect the receiving
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
of the transmitter
must be 12V,
otherwise the transmitter could be
damaged if the voltage is higher or lower than 12V.
of
card play operation:
card play mode
, make sure the TF card included
MP3 file
card slot when the transmitter is at OFF status.
strongly recommended that
the new TF card should be format
ed
using on the transmitter.
file format allowed on the TF card is MP3 format, otherwise the files can
played through the transmitter. If the transmitter suddenly shut down
because
please turn off
the transmitter
and take out the TF card, and then
files and restart the transmitter
.
out the TF card when the power is
ON, or the transmitter might be
If the transmitter suddenly shut down because of the wrong operation of TF card,
ease press the power button to turn on the transmitter again
.
up to 100
0 quantity of songs,
please do not exceed the number
to avoid harming the transmitter.
of luetooth
operation:
, please
keep the
electric metallic substance
transmitter in case they affect the receiving
distance of Bluetooth.
广州市汉婷生 技术开发有限公司
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otherwise the transmitter could be
MP3 file
s is inserted
ed
by F T32 format
file format allowed on the TF card is MP3 format, otherwise the files can
’t be
because
of the wrong
and take out the TF card, and then
delete
ON, or the transmitter might be
If the transmitter suddenly shut down because of the wrong operation of TF card,
please do not exceed the number
electric metallic substance
s away from the

2. If
the mobile phone can not connect to the Bluetooth of
mobile phone and connect again.
3. The Bluetooth
transmission distance is
far from the transmitter in case the signal fails to connect. If the audio play is OFF due to the
far distance between mobile phone and transmitter, keep
play. If the Bluetooth con
nection is failed, please connect again.
 Common
Trouble
Malfunction
Possible
1
Screen
shows start
failed
1）N
o power electricity in the
socket
2）
TF card
3）
Power source faulty
2
The Machine
restart
repeatedly
1）P
ower
connected
2）
TF card
3
Very short
transmission
distance
1
）
Poor
environment
2）
Low power for output
3）
ntenna too close from
ground.
4
）
Low
sensitivity
4
No signal
received on
receiver
1）
Output power
2）
Wrong frequency
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
the mobile phone can not connect to the Bluetooth of
transmitter
, please reboot the
mobile phone and connect again.
transmission distance is
very
limited, please do not keep the mobile phone
far from the transmitter in case the signal fails to connect. If the audio play is OFF due to the
far distance between mobile phone and transmitter, keep
ing
them close can re
nection is failed, please connect again.
Trouble
Shooting
Possible
Reasons
Corresponding
o power electricity in the
TF card
faulty.
Power source faulty
.
1
）
Check if the power
connected.
2）
Check if the TF card is
format
and the audio file
format.
3）
Replace with another
source to check
if the problem is
solved.
ower
cord not well
connected
TF card
faulty
1
）
Check if the power
connected.
2）
Check if the TF card is
format
and the audio file
format.
3
）
Check if the TF card is damaged
Poor
transmission
environment
.
Low power for output
ntenna too close from
sensitivity
of receiver
1）
Place the transmitter to a high and
open place
2）Use car
FM radio
signals for testing.
3）
djust to higher power
Output power
at 0 level
Wrong frequency
1）
Increase the output power
2）
djust the frequencies of radio to
the same as transmitter
广州市汉婷生 技术开发有限公司
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, please reboot the
limited, please do not keep the mobile phone
far from the transmitter in case the signal fails to connect. If the audio play is OFF due to the
them close can re
store the
Corresponding
Solution
Check if the power
source
is
well
Check if the TF card is
F T32
and the audio file
s are MP3
Replace with another
12V power
if the problem is
Check if the power
source
is
well
Check if the TF card is
F T32
and the audio file
s are MP3
Check if the TF card is damaged
.
Place the transmitter to a high and
FM radio
to receive the
djust to higher power
for output
Increase the output power
djust the frequencies of radio to
the same as transmitter
’s.

5
Signal
detected on
receiver but
no sound
1）
Low volume output from
transmitter
2）
Line in cable not well
connected on transmitter
3）
Wrong
6 Sound
quality
is bad
1）
Low quality microphone
2）Line-
in volume too high
3）I
nstallation
incorrect
4）
Transmitter volume too
high
5）
Low quality
function on mobile phone
7
No sound
from
microphone
1）V
olume of microphone not
turned
up
2）
Not a
microphone.
8 MP3 cannot
play
1
）
TF card
2）
TF card
3）
udio files are not MP3
format
4）
There are files of non
MP3 format in TF
5）
Quantity
card exceeds 1000.
9
Bluetooth
cannot
connect
1）
Mobile phone too far from
transmitter
2）
Mobile phone is not in
music play mode.
 About
Transmission
Transmission range is greatly affected by the local RF environment,
setting, frequency
setting and receiver
may need to upgrade
the antenna to higher gain, or install the antenna on places at
altitude.
Generally speaking,
a rubber antenna brings up a transmission distance of around 120
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
Low volume output from
transmitter
Line in cable not well
connected on transmitter
Wrong
audio play mode
1）
Check if the line in cable is well
connected with transmitter.
2）Turn up
the volume of transmitter
3）Switch
to corresponding
play mode.
Low quality microphone
in volume too high
nstallation
of antenna is
Transmitter volume too
Low quality
Bluetooth
function on mobile phone
1
）
Set the microphone volume at
minimum when there is no
microphone connected.
2）
Use high quality microphone with
shielded wire.
3）Keep the line-
in
30%-50% when
input into
4）Use
mobile phone
Bluetooth
quality.
olume of microphone not
up
Not a
electret
microphone.
1）
djust the volume of microphone
between 30% to 70%
2）Use an
electret
TF card
not inserted
TF card
faulty
udio files are not MP3
There are files of non
MP3 format in TF
card.
Quantity
of songs in TF
card exceeds 1000.
1
）
I
nsert TF card
and then press
to play.
2）
Check if the TF card is broken.
3）
Check if the TF card is in F T32
format and the audio file
format.
4）Delete non-
MP3 files
5
）
Delete
songs
to
Mobile phone too far from
transmitter
Mobile phone is not in
the
music play mode.
1
）
Connect the
Bluetooth
the distance within 3 meters
2）Reboot
mobile phone
connect the
Bluetooth
3）Switch the
mobile phone to
play
mode
Transmission
Distance
Transmission range is greatly affected by the local RF environment,
antenna type, power
setting and receiver
sensitivity. If the
transmission range is short, you
the antenna to higher gain, or install the antenna on places at
a rubber antenna brings up a transmission distance of around 120
广州市汉婷生 技术开发有限公司
13 / 16
Check if the line in cable is well
connected with transmitter.
the volume of transmitter
to corresponding
audio
Set the microphone volume at
minimum when there is no
microphone connected.
Use high quality microphone with
in
volume at
input into
transmitter
mobile phone
with better
djust the volume of microphone
between 30% to 70%
electret
microphone
and then press
Check if the TF card is broken.
Check if the TF card is in F T32
format and the audio file
s are MP3
MP3 files
to
less than
1000.
Bluetooth
and keep
the distance within 3 meters
mobile phone
and try to
Bluetooth
over 9 times.
mobile phone to
stereo
antenna type, power
transmission range is short, you
the antenna to higher gain, or install the antenna on places at
higher
a rubber antenna brings up a transmission distance of around 120

meters, under the premise of
receiving
about 100 meters distance. Please contact us for more and better transmission proposals.
 About sound
quality
1. Please keep line-
in volume under 50% and adjusted to a proper level when
machine.
2. If the input audio
sources (such as audio
mode or treble enhancement
mode,
because there is an audio amplifier built
high quality without
distortions
3. To ensure better
listening experience, please adjust the output volume
transmitter
to a matching grade with that of other local radio stations.
 Interference
If you hear buzz
es from the transmitter,
cable or microphone, or it could be the power source,
last and least possible reason
aspects to solve this problem:
1)
Sort out all the cables on the t
other. The antenna should
not be blocked by any object.
2) If the buzzes still exists
, please pull out the line
the antenna and power
to be connected with the transmitter, then
exists.
3) If the buzzes stop
after step 2
cable, or the line-
in cable was intertwined with the power cord, or the audio input equi
caused the buzz. In this case, keep
problem.
We have met similar circumstances
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
receiving
by car fm radio. Using a normal FM radio might get
about 100 meters distance. Please contact us for more and better transmission proposals.
quality
in volume under 50% and adjusted to a proper level when
sources (such as audio
from computer) include
bass
mode,
please adjust the volume of transmitter to lower level,
because there is an audio amplifier built
-in inside the transmitter, thus
the audio output is of
distortions
.
listening experience, please adjust the output volume
to a matching grade with that of other local radio stations.
es from the transmitter,
possible reason
s could be fro
cable or microphone, or it could be the power source,
audio input device, or
last and least possible reason
is on the transmitter. Please check from
Sort out all the cables on the t
ransmitter to make sure they are not inter
not be blocked by any object.
, please pull out the line
-
in cable and Microphone wire, leave only
to be connected with the transmitter, then
check if
after step 2
, the possible reason
could be the quality of the line
in cable was intertwined with the power cord, or the audio input equi
caused the buzz. In this case, keep
the wires apart from each other
should
We have met similar circumstances
from our customers and we suggested the
广州市汉婷生 技术开发有限公司
14 / 16
by car fm radio. Using a normal FM radio might get
about 100 meters distance. Please contact us for more and better transmission proposals.
in volume under 50% and adjusted to a proper level when
inputting into
bass
enhancement
please adjust the volume of transmitter to lower level,
the audio output is of
listening experience, please adjust the output volume
level of
s could be fro
m the line-in
audio input device, or
antenna. The
is on the transmitter. Please check from
the following
ransmitter to make sure they are not inter
twined with each
in cable and Microphone wire, leave only
check if
the buzz still
could be the quality of the line
-in
in cable was intertwined with the power cord, or the audio input equi
pment
should
solve the
from our customers and we suggested the

same way to solve the problem.
4)
Or you can check the audio input device, i
equipment is connected
with a power adapter, it will cause the buzz on
5)
nother possible reason for the buzz could be on the antenna, it should be 90 degrees
vertical with tightened onto the
6) If
all checks were done as above and
be on the power adapter of transmitter.

Recommended Packages
A lications
Cover Distance
Small city
10
kilometer
15
kilometer
Small village
5
kilometer
kilometer
Big community
3
kilometer
kilometer
Big Conference
Room
200
meters
500
meters
Middle-sized
Conference Room
50
meters
meters
Small Conference
Room
50
meters
meters
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
same way to solve the problem.
Or you can check the audio input device, i
t has
been testified that if the audio input
with a power adapter, it will cause the buzz on
nother possible reason for the buzz could be on the antenna, it should be 90 degrees
vertical with tightened onto the
transmitter.
all checks were done as above and
the buzzes are still there,
the only
be on the power adapter of transmitter.
Recommended Packages
Cover Distance
Qty.of Listeners S
uggested transmitter
kilometer
s -
kilometer
s
FSN-
1000
1KW FM trans
kilometer
s -10
kilometer
s
FSN-
600
600W FM Transmitter
kilometer
s X5
kilometer
s
FSN-
350
350w FM transmitter
meters
X
meters
1000-1500 person
FU-
25
FU-
30B
FU-
50B
meters
X 150
meters
50-500 person FU-
25
meters
X 50
meters
Less than 50
person
FU-
15
广州市汉婷生 技术开发有限公司
15 / 16
been testified that if the audio input
with a power adapter, it will cause the buzz on
transmitter.
nother possible reason for the buzz could be on the antenna, it should be 90 degrees
the only
reason should
uggested transmitter
1000
1KW FM trans
mitter
600
600W FM Transmitter
350
350w FM transmitter
25
25W FM transmitter
30B
30W FM transmitter
50B
50W FM transmitter
25
25W FM transmitter
15
15W FM transmitter

Public Square
Speaking
500
meters
1000
meters
Simultaneous
Translation
50
meters
meters
School Classroom
10
meters
meters
Driving School
Teaching
200
meters
500
meters
Car MP3 udio
Transmission
Home Wireless
udio System
Travel Guide
50
meters
meters
Outdoor activities
50
meters
meters
We highly
recommend to use the FU
practical applications.
Contact:lanyue Email:[e-mail]
skype:lanyue99991
whatsapp:[phone]
FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生 技术开发有限公司
meters
X
meters
1000-1500 person
FU-
25
FU-
30B
FU-
50B
meters
X 150
meters
FU-
25
FU-
30B
FU-
50B
meters
X20
meters
Less than 50
person
FU-
X01
FU-
T300
meters
X
meters
100 cars FU -
25
FU-
T300
FU-
X01
meters
X 50
meters
FU-
T300
meters
X 50
meters
FU-
T300
recommend to use the FU
-
X01 series transmitters with FU
Contact:lanyue Email:[e-mail]
whatsapp:[phone]
www.czhfmtransmitter.com
广州市汉婷生 技术开发有限公司
16 / 16
25
25W FM transmitter
30B
30W FM transmitter
50B
50W FM transmitter
25
25W FM transmitter
30B
30W FM transmitter
50B
50W FM transmitter
X01
1W FM transmitter
T300
0.2W FM transmitter
25
25W FM transmitter
T300
0.2W FM transmitter
X01
1W FM transmitter
T300
0.2W FM transmitter
T300
0.2W FM transmitter
X01 series transmitters with FU
-R01 FM receiver in