1. Pairing way of frequency: Press the channel button, to adjust
the same channel of transmitter and the receiver (If the mode is
auto pairing, need not this operation), when the transmitter and
receiver been adjust same channel, LED off on receiver. After
pairing finish, the system enter into normal situation.
Notice: Press Channel button and loose (In three seconds)then
channel change once, Total ly can change 20 channel; after the
channel of transmitter that been adjust, if the mode of receiver
that is manual pair then need adjust simultaneous, If pairing is
Auto mode that receiver needn’t any operation, pairing can
finish automatically.
2. Channel adjustment: When you meet interference, you should
change channel on adjust channel.
3. Adujsting default setting: Press the channel button (CH+) of
transmitter continuously for about 20 seconds, Unti l Status
indicate LED fl ickers faster, Loose the channel button (CH+),
restart machine that Recovery default setting finish.
4. Pairing way of code: Press the channel keys of both the
transmitter and the receiver simultaneously for more than 3s
(Mean while LED remains off for 3s), till LED is on. Stop
pressing, and it gets into the state of 5s peer to peer pairing
(Mean while LED flickers). After receiver receiving ID paired
signals, the LED flickers 3 times, indicating that it gets into the
state of receiving, waiting for the signals from the transmitter.
Normally, led goes out when pairing work is successfully done.
If the key shouldn’t be released during Led blinking, which
indicates that the transmitter has got into the mode of point to
mass pairing. and point to mass pairing work of one transmitter
to multi receiver that is over. (Note: This feature is used with
caution)
5. Special Note: Please check the transmitter’s double-digit
display LED which locate belong bottom right corner of display
window when using the microphone, that should show a small
dot (Microphone switch), if it does not display a smal l dot, it
should be the audio switch, which can press the volume keys of
plus or minus to convert it.
6. Headphone , microphone conversion cable accessory is
equipped with XLR head or 3.5 interface , such as the customer
is not specified , subject to specific physical.
7. If order DC charging function , please use the safety
compl iance of rechargeable battery , the input voltage of DC
charger that is +5V , the charging process shows CH , power
charge ful l that display OP.
Due to the special nature of wireless products, please try to
avoid or away from the following places when using:
1) large-scale mobile equipment base station, signal tower
around;
2) Refrigerators, air conditioners, TVs and other high-power
electrical appliances around;
3) Hospital large-scale ultrasound equipment;
4) Glass, steel and other high-density sealed building.
5) Please install or pull out the antenna before using, so that
the receiver can receive message more further;
6) Please use our original binding parts, especially the original
binding battery and power adapter;
8) Defibrillators or other Implanted Medical Devices Persons
with pacemakers, Implantable Cardioverter Defibrillators
(ICDs) or other active implantable medical devices (AIMD)
should:
• ALWAYS keep the device more than 15 cm from their
pacemaker when the device working.
• Consult with their physicians regarding the potential risk of
interference from radio frequency device, such as portable
radios (poorly shielded medical devices may be more
susceptible to interference).
9) Other Medical Devices
If you use any other personal medical device, consult the
manufacturer of your device to determine if it is adequately
shielded from RF energy. Your physician may be able to
assist you in obtaining this information.
Small Parts. Not for children under 3 years.
Precautions
Avoid Choking Hazard
1.Check the power LED whether light. Is not light, indicating a
power problem, check the power cable or replace the battery.
2.Check the audio cable is connected correctly. With the
manual installation of the audio cable connection.
3. Check speakers / headphones are working properly. Please
replace speakers or headphones.
4. Check audio input. If the microphone input, check the
microphone is working properly; if other audio input, make sure
that the device is working correctly.
5. Check that the antenna is properly installed. installed
correctly, and tighten.
6. Check whether the audio and volume control device is in the
smallest state. If so, please adjust the volume to a moderate
position.
7. Inspect equipment whether it has RF switch, if yes, please
put the RF switch on.
8. Check the status lights to see in what state. Long light shows
the receiver did not receive the signal. This case, please adjust
the receiver’s channel, so that the receiver and transmitter used
in the same channel. when the two channels are same, the
lights go out, work properly. If the channel is the same, but the
receiver is not receiving the transmitter signal, hold down the
control key of channel that for 20 seconds, the device settings
to their original settings, and then re-pairing frequency.
1. Battery upside down. Align the battery contacts to the host cell
and installation.
2. Charging power cable loose. make sure the power cable is
good.
3. Not equipped with the device adapter and cable for charging.
please use the charging device.
4. Battery aging, replace the battery.
1. Audio cable errors or loose. Connected with the manual and
tighten.
2. The source input sound excessive. Please adjust the input
audio volume.
3. Antenna not installed or bad. Install and tighten.
4. Battery not enough. Please recharge or replace batteries.
5. MIC switch and audio switch conversion errors, which can
press the plus or minus key to change it.
Discharge Fault
No sound troubleshooting
The reasons of not charge or charge not fully and solution
The reasons of sound Distorted and solution
Electrical Specification
Operation Guide
Frequency Response...........................................20Hz-20KHz
Frequency Range......................................2400MHz-2483MHz
THD.....................................................................0.3%@1kHz
S/N Ratio........................................................................95dB
Latency......................................................................＜0.5ms
Operation Temperature...........................................-25℃-85℃
Work Voltage..........................................................DC 3.6-6V
TX Power..................0-18dBm Select (decided when ordering)
WARNING
EU Importer：
Name：Germany Retevis Technology GmbH
Address：Uetzenacker 29,38176 wendeburg
