12
The Ring time of device is 5/10/20s, so the melody should have no prelude;
You can add a piece of music separately in DOOR 1 and DOOR 2 and Intercom.
If the SD card is not recognized, please format it on the device.
7. Setting Page
Touch
or
when the device is on standby, and then the screen will enter
main setting page.
IM4TBW
IM4TB
• In the WiFi
setting page, you can turn WiFi on or off and set call forwarding
