TLT-2F GPS/GSM Car Tracker Instruction Manual V3.0
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fails (the phone is turned off or cannot be connected), the second and the third phone number will be called in
sequence.
When TLT-2F enters fence scope again, it will send positioning information with information format returned
from “request for single positioning” to the three prestored number immediately. Informati
on status is STATE: RS.
At the same time, the first prestored phone number will be called. If it fails (the phone is turned off or cannot be
connected), the second and the third phone number will be called in sequence.
15.1 Setting of round geo-fence scope
The user may at his discretion select the following formats to operate according to the input different formats
of coordinates.
Instruction format 1: 003 + user pass word E/Wdddmm.mmmmN/Sddmm.mmRzzz.z
For example: 0030000E11406.0024N2233.4230R0.1
When receiving the instruction, TLT-2F will return confirmation message to the sender: SET GEO-FENCE
OK and turn on geo-fence function.
Description: E: east longitude; W: west longitude; N: north latitude; S: south latitude. Here E and N are used
to explain as an example. Please select corresponding coordinate formats in accordance with actual geographic
position. Each section
s meaning of the example is as follows:
Edddmm.mmmm is longitude information with degree and minute as unit, among which ddd stands for degree
and mm.mmmm stands for minute (4 digits after decimal point is maintained and zero cannot be omitted).
Nddmm.mmmm is latitude information with degree and minute as unit, among which dd stands for degree and
mm.mmmm stands for minute (4 digits after decimal point is maintained and zero cannot be omitted).
zzz.z is radius with definition domain of [0.1, 999.9] and unit of KM.
Instruction format 2: 004 + user password E/Wddd.dddddN/Sdd.ddddRzzz.z
For example: 0040000E114.10004N22.55705R999.9
When receiving the instruction, TLT-2F will return confirmation message to the sender: SET GEO-FENCE
OK and turn on geo-fence function.
Description: E: east longitude; W: west longitude; N: north latitude; S: south latitude. Here E and N are used
to explain as an example. Please select corresponding coordinate formats in accordance with actual geographic
position. Each section
s meaning of the example is as follows:
Eddd.ddddd is longitude information with degree as unit, among which ddd.ddddd stands for degree (5 digits
after decimal point is maintained and zero cannot be omitted).
Ndd.ddddd is latitude information with degree as unit, among which dd.ddddd stands for degree (5 digits after
decimal point is maintained and zero cannot be omitted).
zzz.z is radius with definition domain of [0.1, 999.9] and unit of KM.
