4.6 Low battery alarm
When battery is low, device will send low battery alarm SMS to SOS numbers
Low battery alarm SMS: “Warning! Battery is low, please charge in time!”
When battery is too low, it will send SMS: “Warning! Battery is too low, power off
automatically.”
4.7 Voice monitoring
Any SOS number calls the device and keep ringing for more than 10s, the device will
enter voice monitoring status. In this case, caller can monitor the sound around the
device.
Note: 1. Caller ID function is needed for voice monitoring.
2. Only SOS numbers can monitor the device.
4.8 Terminal position query
4.8.1 Address information query
SOS number can send the command WHERE# to query the address information.
If GPS is located successfully, the device will reply the accurate GPS address
information.
Otherwise, it will send LBS location first. And then if GPS located within 2mins,
device will send another SMS with accurate location. E.g.:
Lat:N22.571285,Lon:E113.877115,Course:42.20,Speed:0.0740,DateTime:10-11-23
22:28:51
If GPS is never located successfully, the terminal will reply the following message
after 2 minutes:
“GPS fail to locate, no data, please try again!”
4.8.2 Google link query
SOS number can send the command
URL#
to query the Google link.
If GPS is located, it will reply the Google link of the current position. If GPS is not
located over 2 minutes, it will send the link of last position. E.g.:
<DateTime:10-11-2323:42:51>http://maps.google.com/maps?q=N22.571490,E113.8
77103
If GPS is never located, the device will reply “No Data!”
Note: 1. GPS can only be located at the open place outdoor. While at the place
without no or little GPS signal, such as, indoor, under the tree or besides the tall