Different LED backlit displays are used to identify the different functions. The standard version is as follows:
1. If not connected to the power switch, and the door sign is powered independently, the white LED of the logo+room
number will light up when powered on, and the white LED of the logo+room number will not light up when not powered on.
2. If connected to the power switch, when the guest inserts the card to take power, the check-in icon LED backlight lights up in blue, indicating that the room has been occupied. When the guest unplug the card about 10 seconds after the delayed power off, check-in icon backlight off, indicating that no one in the room.
3. When someone visits outside the door and presses the doorbell key, the blue LED of the bell press icon flashes and the indoor bell rings.
4. When the guest does not want to be disturbed, press the Do Not Disturb key on the indoor control panel (default white LED), the outdoor door sign Do Not Disturb icon red LED lights up, at this time, even if someone outside the door presses the doorbell, the indoor bell will not ring.
5. When the guest presses Clean Up key on the indoor control panel, the green LED backlight of the outdoor door sign Clean Up icon lights up, indicating that the room needs to be cleaned. At this time cleaning staff press the doorbell, the indoor bell will ring.
6. Red Do Not Disturb and green Clean Up, mutually exclusive, one on, the other automatically extinguished.
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