AVer VC520 Pro Mode D'emploi page 11

5. Hotkey Control: Enable hotkey control to use keyboard control camera's movement and
backlight. The default is off.
A hotkey tip will display when mouse is moved to
the PTZ control button in PTZ mode.
If the hotkey function is enabled after installing the
PTZApp, PTZApp auto launch next time the PC
reboots. Therefore, the customer can use all the
hotkey commands when PTZApp is auto running in
system tray.
6. Speakerphone: setup speakerphone function
parameters.
- Nosie suppression: Reduce ambient noise.
- Automatically gain control: Enable/disable the
auto gain control.
- Echo cancellation: Enable/disable echo
situation.
- Keyboard noise suppression: Enable/disable
keyboard noise reduction.
- Phone in jack
 Phone in: When the mobile phone is
connecting to Phone in port, please select
"Phone in" option.
 3.5 mm microphone only: The speakerphone will transfer the sound
from the external microphone (connected on phone in port) to far site.
 3.5 mm microphone mix in: The speakerphone will transfer the sound that it receives
from the external microphone (connected on phone in port) and speakerphone to far site.
- Expansion mic mute
 All: To mute all connected speakerphones.
 Individual: To individually mute a speakerphone and not the extended speakerphones.
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that it receives