ReachFar RF-V8 - Changing interval of the position data upload; Turn on;off data upload; Turn on;off indicator light; Change password

The master-control phone number send SMS
message to this tracker like: tim,<valuer>#
For example: tim,20#
That means this tracker will send positioning
details to the platform once per 20 minutes. (The
interval of factory default is 10 minutes)
Attention: To change the interval will affect the
standby time of this tracker, the less interval time the
shorter standby time. For example, the interval is less
than 2 minutes, the standby time will be about 6 hours.
Turn on/off data upload
The master-control phone number send SMS
message to this tracker like:
 gon# turn on data upload; (factory default)
 goff# turn off data upload; (attention: under this
setting, the master-control phone number send
SMS messages like dw# to this tracker, only
map-linking would be respond, without any words
of current position.
Turn on/off indicator light:
The master-control phone number send SMS
message to this tracker like:
 lon# turn on indicator light. (factory default)
 loff# turn off indicator light.
Change password:
The master-control phone number send SMS
message to this tracker like: password,t,new password#
For example: 123456,t,456789#
This tracker will reply: the password has been
changed to 456789. The password must be 6 numbers,
please note.
Setting GPRS APN data
The master-control phone number send SMS
message to this tracker like: apn,<apn
value>,user,<user value>,pd,<password value>,pip,<ip