User's Manual

2.5.6. Voice control setting
Enter the voice control settings as shown in the following figure
Select the voice control setting, press up and down key to select,
pressing ok key will appear off, low, medium and high, four
sub-options , then press up and down key to select , then press OK
key to confirm. The default is OFF,
Note: when one of the three items of low, medium, and high is
selected, there is a corresponding icon appear at the top of the
screen in the monitoring screen that shows the following figure)
Focus note: about voice control sensitivity, in the viewing movie
state, when the environmental sound of the TX camera is low to a
certain value, the RX machine will turn off the screen and sound,
when the environmental sound of the TX camera is high to at a
certain value, the RX machine will be awakened.