ReachFar RF-V8 - SMS Function settings; Method one:; Method two:; Empty master-control number & sos numbers

Method two: setting other phone numbers by
master-control number one by one. sos2, phone
number#
For example: sos2, 13700000000#
The tracker will reply: sos number2 has been set for sos
number successfully.
As picture shows:
Empty master-control number & sos numbers
Method: master-control number send command
message like: reset# to the tracker.
The tracker will reply: restore factory settings.
Language selection, settings changing
The master-control phone number send SMS
message to this tracker like:
 lag,1# change the language to Chinese.(factory
default)
 lag,2# change the language to English.
Enter your phone number!
Turn on the vibration
sensor alarm.