How to use the four buttons of the visual doorbell

1, the four buttons of visual doorbell are generally management key, image adjustment potentiometer, door opening key and calling key.

2. Hands-free key: used to pick up the phone when the fence machine, unit door machine or management machine calls. Unlock key: used to control the host to unlock when talking with the fence machine or door machine of this unit. When the extension gives an alarm, press the "Unlock" key to turn off the alarm.

3. Turn on the button. Unlock and press the money. Call Management Center (Properties) key.

4. Call: This function is the most common. If someone visits, you can press the call button directly, and there will be corresponding prompts in the house. People in the house can come and answer the phone, communicate with people outside, confirm his identity and then decide whether to open the door or not.