3. Save electricity positioning (an hour): equipment in one hour time interval to
update location information, the power-saving mode use battery slowly. This one is
good for power saving.
5.2 Call function
Please set admin number (monitoring number) before the following operations
（1）Setup whitelist :Click APP setting—whitelist—setting phone numbers
（Maximum 5 contact numbers can be set, only the phone numbers in whitelist can
call this tracker）.
（2）SOS emergency call
If you have set up the family number (SOS number, maximum two), Long press
SOS button, light up then release, the GPS tracker will dial the family number when
long press power/ SOS button, If the first number answers, it will not dial the second
number. If the first family number does not answer, it will dial the second number
automatically, the GPS tracker will stop dialing after circularly dial twice.
Note: After ordering the caller ID function, it admin number or white list or any of the
family numbers are set, the tracker will refuse calling from the stranger automatically.
Whitelist and family number can be set in completed phone number or short number.
When there is SOS call from GPS tracker, if the first family mobile phone number
answers the call by leaving voice message, the tracker will not dial the next family
number.
5.3 Historical route query
This product will keep 3 months of route information. If two GPS positioning points are
very close to each other in the historical route data, the redundant one will be deleted
automatically.
