DAS.4 SG53, User Manual

a) SOS button: By pressing the SOS key (button 2) for 3 
seconds will initiate the alert state. The word SOS will be 
displayed on the screen and the smartwatch will call the 
3 SOS phone numbers alternatively in 2 rounds until one 
of them answers. Meanwhile the watch will also send a 
message to the number that monitors the watch
b) Low power alert: The smartwatches battery appears in 
percentage. When it reaches 20% and lower, it will send an 
alerting message to the number that monitors the watch. 
c) Voice chat: Click the talk, then you can chat with the APP.
d) Turn Off: Press the “OFF” key to power off the watch 
without the SIM card, or remote turn off via the APP. 
e) Phone Book: The phone number can be used to make 
voice calls. Find the phone book function in the APP, click 
to enter, and then select the phone number to call. The 
phone book can save up to 10 numbers. 

6. Troubleshooting

a) Assume the watch can not be connected with the server 
and the device shows no connection with the network. Please 
follow the next steps: 
• Please check whether the watch’s NANO SIM card is GSM 
support
• Check whether you have inserted the NANO SIM card 
correctly and the screen play is normal (please refer to the 
picture’s instructions)
• Please check whether the IP, Port and ID numbers are correct. 
You should make sure that the ID number on the watch is the 
same as the ID number of the device itself. Also the user can 
check the ID number of the device itself by sending the mes-
sage “pw,123456,ts#” from their cellphone to the watch (the 
smartwatch must have a NANO SIM card inserted and powered