Dahua DB11 - Description of Call Button; Rear Panel; Description of Reset Button; Description of Power Input Port

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2.1.2 Description of Call Button
Short press: Ring the doorbell.
2.2 Rear Panel
Rear panel includes micro-SD card slot, Reset Button and power input port, as shown in Figure
2-2.
Figure 2-2
2.2.1 Description of Reset Button
 Press it shortly, and indicator light turns to blue spinning light, representing that the hotspot
has been enabled.
 Press it for 10s, and indicator light turns blue and is normally on for 3s. The device restores
factory defaults.
2.2.2 Description of Power Input Port
The doorbell can be matched with AC 16V–24V or DC 12V–24V power adapter. It is able to
connect different chimes under the condition of different power adapters.
 With AC 16V–24V power adapter, it is able to connect wired chime (mechanical chime or