TLT-2F GPS/GSM Car Tracker Instruction Manual V3.0
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Instruction format 3: 005 + user password Rzzz.z
For example: 0050000R0.1
Description: After receiving the instruction, TLT-2F will extract current longitude and latitude information as
fence coordinate from the latest GPS data and takes R value as radius. It also turns on geo-fence and send
confirmation message to the sender after success: GE0-FENCE ON.
Note: zzz.z is radius with definition domain of [0.1, 999.9].
1>Instruction to turn on round geo-fence
1. Turn on geo-fence: 211 + user password
After receiving the instruction, TLT-2F will return confirmation message: GEO-FENCE ON.
2>Turn off round geo-fence instruction: 210 + user password
After receiving the instruction, TLT-2F will return confirmation message: GEO-FENCE OFF.
Note: 1. Fence radius shall not exceed its defined domain. When decimal digit is 0, please add 0. For example,
when R is 1, please enter 1.0.
2. If calling status is off, message will be sent to prestored user instead of calling him.
3. Degree and minutes is of sexagesimal system, i.e., 1d=60m.
15.2 Setting of square geo-fence scope
Instruction format: 006 + user pa GX, IO/I/O, E/W longitude upper limit + N/S latitude upper limit,
E/W longitude lower limit + N/S latitude lower limit.
For example: 0060000G1,IO,E114.10004N22.55705,E115.10006N23.55706
After receiving the instruction, TLT-2F will return confirmation message: SET SQUARE GEO-FENCE
GX(IO/I/O) OK.
Description: GX is geo-fence X, whose value range is [1, 16]. IO means warning for both outgoing and
incoming fence; I means warning for incoming fence; O means outgoing fence. Longitude and latitude value take
degree as unit. 5 digits after decimal point shall be reserved and 0 shall not be omitted.
IO means warning for both outgoing and incoming fence; I means warning for incoming fence; O means
outgoing fence.
Note:
(1) After setting is completed, fence is turned on automatically. Now, default fence type is IO, i.e., warning
for both outgoing and incoming fence.
(2) If calling status is off, message will be sent to prestored user in SMS mode instead of calling him.
(3) Value set by the instruction is not subject to power off or switch on/off until change instruction or
