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Functions:
1.
Set control number
：
(serial from 1 to 3)
Command:
pass+blank+serial
Sample:
139504434650000 1
13950443465 is mobile number, 0000 is password, 1 is serial means the first number.
When the tracker reply “SET OK” means the setting is ok.
You can set the second and third control number also.
Delete control number:
D101#
(delete the first control number)
D102#
(delete the second control number)
D103#
(delete the third control number)
Monitor:
Send command
66
to the GPS Tracker from control number,
The tracker will call back to this control number.
2.
Working mode:
ST-901B has both SMS and GPRS working mode.
1. If you want to control it by mobile and use SMS only, you can get Google location from you
mobile, then you can choose SMS mode.
2. If you want to monitor the tracker online real time, and you want to install the tracker data for
years, you should choose the GPRS mode.
You can send SMS to choose the mode.
SMS Mode:
Command:
700+Password
Sample:
7000000
Reply: SET OK
When ST-901 receives the command, it will change to SMS mode.
GPRS Mode: (Default)
Command:
710+Password
Sample:
7100000
Reply: SET OK
When ST-901 receives the command, it will change to GPRS mode.
3.
Change Password
Command:
777+New POld password
Sample:
77712340000
The 1234 is new password, and 0000 is old password.
When ST-901 received the command, it will reply SET OK
4.
Get location with Google link
Command:
669+password
