5-3 Night illumination
At night, the illuminator LED lights up during an entrance station call.
It can also be made to light up at night when the entrance is being monitored.
When a call is made from the entrance station
1If the CALL button of the entrance station is pressed, the illuminator LED will light up.
When monitoring is performed
1 Pressing the [ 
] button will make the illuminator LED light up.
the illuminator
LED will light up.
2When communication ends, the illuminator LED will go out.
2When monitoring ends, the illuminator LED will turn off.
NOTES: 1. Distinguishing between day and night is automatically done by the entrance station.
2.Operation will vary depending on the entrance station setting.
Backlight adjustment and night sensitivity adjustment
Day
When a unit is installed at an entrance where backlighting makes viewing difficult, adjustment for easier viewing is performed.
1When the picture is difficult to see, press the [
ADJUST] button to switch between the three modes [Backlight adjustment 1], [Back- light adjustment 2] and [No adjustment].
NOTES: When display is performed again, the station will display using the pre- viously set default mode.
Night
At night or when the area around the entrance is dark, adjustment for easier viewing is performed.
1When the picture is difficult to see, press the [
ADJUST] button to switch between [Night adjustment] and [No adjustment].
NOTES: 1. When display is performed again, none of the previously set adjust- ment is applied.
2.Distinguishing between day and night is automatically done by the entrance station.
3.Pressing the [
ADJUST] button at night makes the caller's face easier to see, but moving subjects may be more difficult to see.
Switching of surveillance camera monitor in common area
When a surveillance camera is mounted in the common area
Press the [
GUARD] button during calling from the entrance station, communication with the entrance, or entrance monitoring to switch to the surveillance camera video image. Press the button again to return to the entrance station video image.
During switching between the entrance camera and surveillance cam- era in common area, the image on the monitor may become momen- tarily distorted, but this is not a malfunction.
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