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|operating current:||220mA||working temperature:||-10℃～70℃|
Answer: When the indoor phone rings, hand up to talk with the visitor.
Unlock: In talking or monitoring state, press “Unlock” button to release the door.
Monitor: In waiting mode, press“Monitor button” to view the image from door station.
Adjusting brightness and contrast: Scroll the “Brightness Adjusting” button and “Contrast Adjusting” button to adjust the image brightness and contrast.
Select music: Press “Select Music” button to select the music. There are 13 music for optional. The system will auto to confirm the last music you select for the ring music.
Auto shut down: In the monitoring state, the screen will auto come back to standby state in 60 seconds.
In the talk status, the indoor phone will auto come back to standby status in 60 seconds.
When someone call the indoor phones, it would auto come back to standby state in 60 seconds if no answer.
Fire endurance rating:IP33
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