GP20/MP20 User Manual
4
Please keep the batter have enough power
7. Work Mode
This tracker has two work mode which is SMS and GPRS Mode. SMS mode i
s for off line tracking by Mobile phone. GPRS Mode is for on line tracking by com
puter and mobile phone .
8. Default Work Mode
The Original password of the tracker is : 0000
The Default work mode is : SMS Mode
The Default Voice is : ON
The GPS work status : A means GPS work normally . V means no G
PS
The Battery Status : 5 means 100% power, 1 means 20% power
9. Main Operation and Application
9.1 Set Authorization Phone Number
Instruction format: phone User pSpace+Sequence number (1-3)
E.g.: 134243923300000 1
Reply:SET OK.
Note: 1. The device defaulted password is 0000.
2. The device can only authorized 3 cell phone numbers
9.2 Delete authorization number
D101#
（
delete the first authorization phone number
）
D102#
（
delete the second authorization phone number
）
D103#
（
delete the third authorization phone number
）
9.3 Work Mode
This tracker have two work mode which is SMS and GPRS Mode. SMS mode is for off
line tracking by Mobile phone. GPRS Mode is for on line tracking by computer and mobile
phone .
SMS Mode:
700+ user password
E.g.: 7000000
Reply: SET OK
GPRS Mode
：
710+ user password
E.g.: 7100000
Reply: SET OK
9.4 Change the password
Instruction format:777+new pold password
