KOCOM KHV-446ST - Communication with Front Door (General Function); Communication with front door when a visitor comes

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Adjusting the Video Display and Call Sign Volume (This function is available only when LCD screen is turned off).
 Adjusting the Video Display (Color)
Press the Function key twice.
Among LEDs at the left-bottom side of LCD, 2nd LED is
turned on.
Using up/down key, adjust the brightness of LCD (8 grades).
After adjusting the brightness, pressing end key or waiting for
5 seconds, 2nd LED among the LEDs at the left-bottom side
of LCD is turned off and mode for adjusting the screen
display is ended.
Press the Function key once.
Among LEDs at the left-bottom side of LCD, 1st LED is
turned on.
 Using up/down key, adjust the color of LCD (8 grades).
After adjusting the color, pressing end key or waiting for 5
seconds, 1st LED among the LEDs at the left-bottom side of
LCD is turned off and mode for adjusting the screen display is
ended.
 Adjusting the Video Display (Brightness)
 Adjusting the Call Sign Volume
 Press the Function key three times.
Among LEDs at the left-bottom side of LCD, the3rd LED is turned on.
Then, using up/down key, adjust the call sign volume.
After adjusting the call sign volume, pressing end key or waiting for 5
seconds, 3rd LED among the LEDs at the left-bottom side of LCD is
turned off and mode for adjusting the call sign volume is ended.
Function
Function
Communication with Front Door (General Function)
 Communication with front door when a visitor comes
 If a visitor presses the call button of front
door camera, call sign rings from the indoor
monitor and its video screen is automatically
is turned on, displaying the visitor.
(Lobby/Front Door LED flickers)
Pressing "Talk" button or "Lobby/Front Door" button,
talk becomes available.
After Talk, pressing the Talkor Lobby/Front
Doorbutton, video screen is faded out. However, the
talk over 5 minutes automatically blocks the call.
To make talk again, press the Lobby/Front
Doorbutton.
 If you want to identify visitor without talk

If a visitor presses the call button of front door camera, call sign rings from the indoor monitor and its video screen is
automatically is turned on, displaying the visitor.
. If you want to identify the visitor without talk, please see the video screen without pressing the talkbutton.
(After 30 seconds, video screen is automatically turned off).
Talk