25
Use
 Adjust video to enhance visibility (visibility correction)
 Operations during placing a call and communication
 Setting backlight correction
1
Press   when an image is 
projected on the screen
The visibility correction icon   will be 
displayed, and the image will be adjusted 
automatically.
Stopping correction
1
Press   again
The visibility correction icon will be 
disappeared, and the screen returns to the 
state before correction.
Notes
• Depending on the brightness of the 
background projected by the camera, the 
image may not change even after 
 
has been pressed.
Correction effects
Darker areas become brighter.
This function is used when the face of a visitor projected on the screen is diffi cult to see due to 
backlighting.
This function can be used during placing a call, communication, and monitoring from the video door station.