TLT-2F GPS/GSM Car Tracker Instruction Manual V3.0
27/34
Chapter Five Application and Operation
in
GPRS Mode
Send “710 + user password” to switch to GPRS mode. In
the mode, TLT-2F can also prestored three phone
numbers (No.1, No.2 and No.3), a set of TCP/IP server IP address and port number, 4-digit GPRS password and an
APN number at GPRS access point. Instructions in SMS mode can also be used in GPRS mode.
1. Change GPRS user name
Instruction format: #801#user password# new user name##
For example: #801#0000# username##
Description: After receiving the instruction, TLT-2F will return confirmation message: CHANGE
USERNAME OK.
2. Change GPRS service password
Instruction format: #802#user password# new service password# old service password##
For example: #802#0000#1111#0000##
Description: After receiving the instruction, TLT-2F will return confirmation message: CHANGE
PASSWORD OK.
3. Set GPRS access point (Access Point Name)
Instruction format 1: #803#user password#APN##
For example: #803#0000#CMNET##
Instruction format 2: #803#user password #APN#APN user name# APN password##
Description: After receiving the instruction, TLT-2F will return confirmation message: SET GPRS APN OK.
Note: 1. As different GSM/GPRS service providers provide different APN, please select instruction format 1
or 2 in accordance with the APN provided by your local service provider.
2. APN is CMNET at the factory or after reset. APN is constituted by 3~35 characters which may be alpha,
number, dot (.), underscore (_) or hyphen (-). APN user name and APN password are respectively constituted by
3~30 characters which may be numbers or alphas.
4. Set IP address and port
Instruction format: #804#user password # fixed IP address/ domain name #port##
For example: #804#0000#210.83.225.181#6998##
Or #804#0000#www.gps068.com#6998##