ShenZhen V-Sun Electronics Co., Ltd
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can take the initiative to press SOS button, or automatically after ringing
10 seconds 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.
1.9
Set the time zone change instruction
Command forma
t: 896 + user's password 4 + D + nn
For example
: 8960000E08
Note:
xxxx is four password, D values of E, W, said that the time zone thing,
nn for the 2 bytes digit (0 ~ 12), meas the area code. When the V680 receives
the instructions and confirms the user password is correct, it will send
confirmation message "time zone: Eastern / Western xx".
For example: Set 8960000E08 instruction, V680 screen time for: GPS time,
plus 8; set 8960000W07 instruction, V680 screen time for: GPS time minus 7.
Note: V680 displayed on the screen the initial time: GPS time (ie Greenwich
Mean Time)
1.10 Point to Point inquiry
Format:
123
Description:
When the V680 receives the instruction and confirm the user
password is correct, the sender will receive a location information, the
information for the V680 is the current geographic location.
2. The operation based on the GPRS application
In the working mode, V680 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
