Night Illumination; Backlight Adjustment And Night Adjustment; Switching To Surveillance Camera Installed In Common Area - Aiphone GT-1C7-L Operation Manual

USING THE STATION

Night illumination

4-3
At night, the illuminator LED on the entrance station 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
1
If the CALL button of the entrance station is pressed, the
illuminator LED will light up.
2
When communication ends, the illuminator LED will turn off.
4-4

Backlight adjustment and night adjustment

Day
When a station is installed at an entrance where backlighting makes
viewing difficult, adjustment for easier viewing is possible.
1
When the picture is difficult to see, press the [
adjust for lighting.
NOTE: When a new call is placed, backlight adjustment reverts to the
default mode.
4-5

Switching to surveillance camera installed in common area

When a surveillance camera is installed in the common area
Press the [ ] button when video image is displayed to switch to the
surveillance camera video image. Press the button again to return to
the entrance station video image.
GT-1C7-L/GT-1C7
When monitoring
1
The illuminator
LED will light up.
2
NOTES: • Distinguishing between day and night is automatically done by
Night
At night or when the area around the entrance is dark, adjustment for
easier viewing is possible.
1
] button to
NOTES: • When a new call is placed, night adjustment reverts to the
GT-1M3-L/GT-1M3
NOTE: During switching between the entrance camera and surveillance
- 10 -
Pressing the [ ] button will make the illuminator LED light up.
GT-1C7-L/GT-1C7
When monitoring ends, the illuminator LED will turn off.
the entrance station.
• Operation will vary depending on the entrance station setting.
When the picture is difficult to see, press the [
switch between [Night adjustment] and [No adjustment].
default mode.
• Distinguishing between day and night is automatically done by
the entrance station.
• Pressing the [ ] button at night makes the visitor's face
easier to see, but moving subjects may be more difficult to see.
camera in common area, the image on the monitor may become
momentarily distorted, but this is not a malfunction.
GT-1M3-L/GT-1M3
] button to