User Manual

17
"Steps Recorder" window, click the circular recording button to start record,
speak to the microphone, wait until the recording is finished, click the play button to
hear if there is any sound, if there is no sound, please contact with camera supplier.
2).Microphone murmur or echo:
①If the laptop's built-in microphone is not disabled or the external microphone of the
"MIC IN" connector of the desktop PC sound card is not disabled, "Realtek HD
Audio Manager" may cause the "USB Live camera" microphone and speakers to
produce noise and echo. It is recommended that all microphones be set to disabled
except "USB Live camera audio" , or change the settings of the "HD Audio
Manager" as follows：
For Windows 7/8 system, click the "Start" menu > "Control Panel" > "Hardware
and Sound" > Open "Realtek HD Audio Manager" > "Mic in at front
panel(Pink)" > Turn off the "Long Distance Pickup (FFP)" feature,( the button turns
gray), the noise will be significantly reduced, and when "Acoustic Echo
Cancellation" is turned on, (the button turns blue), the echo of the PC speaker can
be reduced when using the microphone.
For Windows 8/10 system, click "Realtek HD Audio Manager" > "Mic in at front
panel(Pink)" option in the lower right corner of the computer > Turn on the "Noise
Suppression" function (the button turns blue), the noise will be significantly reduced,
and open the "Acoustic Echo Cancellation",(Buttons turn blue), you can reduce the
echo.
② The microphone and the external speaker are too close, the microphone
frequency and the speaker frequency are prone to interference and whistle. Please
do not put the microphone and speaker in the opposite direction.
③After the microphone is turned on, if there is a mobile phone microphone working
nearby, it will be normal to cause interference with the speaker.