to answer. Users can press on/off button shortly to end the call. After calling it
will send location information in 1.4 format to user. the information in the status
prompt for the STATE: ANSWER. Non-stored phone number incoming call
directly to hang up without any treatment.
2. The operation based on the GPRS application
In the working mode, TK205 can be stored three phone numbers (1, 2, 3) and a
4-digit password. A TCP/IP servers IP address and port, 4-bytes GPS password
and a APN of GPRS.
Users through SMS commands to customize the content of the relevant
configurations are non-volatile, after the success, the state is not switching the
impact of the changes until you receive further instructions or reset operation
related.
2.1 instruction of change mode
Format
：
710+ user password (4 figures)
eg
：
7100000
Explanation:
When 205 tracker receives the SMS and confirms the user
password correctly, it switches to the GPRS application mode. After the
success, it will send the confirmation messages (SET MODE OK
，
CURRENT
MODE
：
GPRS) to the sender.
2.2 Change the user name
Format:
#801#user password#new user name##
eg
：
#801#0000# username##
Explanation:
When 205 tracker receives the instruction and confirms the
user password correctly, changes the user name to the new user name. After
the success, it will send the confirmation messages to the sender. The content
is “CHANGE USERNAME OK”.
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