30
3.1.4 Warning
1) When microphone press key “CALL” to send call service command , main unit LCD will
show the message ( see following pic) and will give warning tone if main unit open
“BEEP” function, the warning tone will send 1 time in every 10 second till operator
press menu key to
release.
2) If microphone battery capacity is low ( less than 10%), main unit LCD will show the
message (see following pic) and give a warning tone till operator press menu key to
release.
3.2 How to use the microphone
3.2.1 Powered on/off the microphone
Powered on the microphone: Please turn on the microphone with power switch ( hold and
press 1 second), microphone OLED display will lighting and show welcome interface.
Powered off the microphone: Please turn off the microphone with power switch ( hold and
press 5 seconds), microphone OLED display will off.
User can turn off the main unit first, this time there is no signal and data communicate
between main unit and microphone, after 15 seconds microphone OLED display will
show the message “ Auto-off in 60 seconds”
3.2.2 Microphone OLED display
1. Display microphone current status
a. MIC ON: Microphone on, user can speaking
b. MIC OFF: Microphone off,the microphone can not pick up sound
c. SIGNAL ERR: Microphone can not receive data from main unit by transceiver
d. RESTRICTED: It means system active microphone already achieve the maximum
quantity (maximum active microphone quantity set by main unit)