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1
0
1
1
1
1
1
1
1
1
Note: Switching the sending mode takes effect after switching the channel.
6. Operating mode
The module has two modes of operation, set by pin Mode; details are shown in the table below:
Mode
Mode
(send/receive)
Send Mode
0
Receive Mode
1
7. Command and factory parameters
7.1 Command format
The module supports parameter reading and writing, and can be read through the serial port in receive mode (when
reading, only 9600, 8N1 format is supported):
Setup command
AT+MIC=<mic>
AT+POWER=<pwr>
AT+CHANNEL=<channel>
AT+ENCHANNEL=<en_channel>
AT+DEFAULT
Read comman
AT+DEVTYPE=?
AT+FWCODE=?
AT+MIC=?
AT+POWER=?
AT+CHANNEL=?
AT+ENCHANNEL=?
7.2 Command format
Parameters
<mic>
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1
1
channel11
0
0
channel12
0
1
channel13
1
0
channel14
1
1
channel15
Introduction to the model
The module is in the transmitting state and sends out the signals
input through the audio input connector wirelessly;
The module is in the receiving state and will output the signal
received wirelessly through the audio output interface;
Reads whether the software control channel function is enabled or not
Range of values
[0~31]
2427、2452、2477
2427、2452、2477
2427、2452、2477
2427、2452、2477
2427、2452、2477
description
Setting the Microphone Gain Level
Setting the Transmit Power Level
Setting the software channel
Enable software channel function
Restore Default Settings
description
Read device model number
Read firmware code
Read the microphone gain size
Read Transmit Power
Read software channel
Meaning of a parameter
Microphone gain, the higher the value the higher
E200-2G4A20S User Manual
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Same channel11
Same channel11
Same channel11
Same channel11
Note
Real-time
switching
of
send/receive
functions
Real-time
switching
of
send/receive
functions
7
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