
900MHz AUDIO GUIDE TRANSMITTER
USERS MANUAL
Thanks for purchasing our 900MHz products. The 900MHz wireless audio system
allows multi-transmitters and multi-receivers to be used in the same field. Simply
plug the microphone into the microphone jack of the transmitter and choose the
wanted channel. They are very small, light-weighted and user-friendly.
FCC Compliance Statement
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.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
Safety Instructions
a. Read all instructions before using the devices. Follow printings on the devices.
b. Use the power adapter or charging case provided with the devices.
c. Keep the devices away from water and fire.
d. Do not attempt to service the devices yourself. Please contact your dealer or
FLUENT AUDIO directly for maintenance and replacements.
Warranty
FLUENT AUDIO provides two years warranty from the purchase date on transmitters
and receivers. During the warranty period, if the material and workmanship is
determined to be defective by our repair center, we will:
1) Repair the product with the new or rebuilt parts, or
2) Replace the product at no charge with new or rebuilt comparable products or
parts

1. POWER ON/OFF button
2. Language button
3. Play/Pause button
4. Volume and channel buttons
5. Backward and Forward buttons
OPERATIONS
1. POWER ON
Press the PWR button to turn on the transmitter. It takes a few seconds for the
transmitter to read the mp3 files. After reading the mp3 files, the display will show
the current mp3 file number then you may start use the transmitter.
2. NORMAL SETUP
Press the LANGUAGE button to scroll through the language list.
Press the Volume UP or Volume Down button to adjust the volume.
Press digits 0-9 to input the mp3 number (001-999).
Press the >II (play/stop) button to play or stop a mp3 file.
Press the>>I or I<<(forward or backward) button to forward or backward.
3. CHANNEL SETUP
In OFF status, press the Volume Down and POWER button to enter channel setting
page. Then press the Volume UP or Volume Down buttons to change the channel.

4. LED Status
Green: Power ON
Blue: Receiving signal from transmitter
Red: charging
Red off: charging complete
Troubleshooting
1) When there is STATIC INTERFERENCE or NO SOUND, please go through the
following procedures to eliminate the problems.
a. Make sure that the transmitter and receiver are set on the same channel.
b. Check whether two transmitters are set at the same channel. Avoid two
transmitters to be on the same channel.
c. Sound level on the line input source may be too high.
2) When a NOISY SOUND occurs, please go through the following procedures to
eliminate the problems.
a. Make sure that the transmitter and receiver are within the distance range.
b. Make sure that the sound level on the transmitter and audio sources are set at
a reasonable level.
c. Try changing the transmitter to a different frequency to see if the sound quality
improves.
In case the problem persists, please consult your dealer or FLUENT AUDIO.
Technical Specifications
Frequency Range: 903MHz – 927MHz
Modulation: GFSK
Audio sampling: up to mp3 file type
SNR: >90dB
THD at 1KHz: <1%
Channels: 25
Channel spacing: 1MHz
Current Draw: 175mA
Battery: 3.7V1500mAh
Charging time: 4 hours
Operation hours: 8.5 hours