TLT-2F GPS/GSM Car Tracker Instruction Manual V3.0
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domain of [0, 999]. When X=0, Overspeed warning function is turned off.
2. After the function is activated, when travel speed exceeds set speed, the device will send position
information with information format returned from “request for sin
gle positioning" to the three prestored numbers
immediately. Information status is STATE: OVERSPEED. It will also call the first prestored number immediately.
If it fails (the phone is turned off or cannot be connected), the second and the third phone number will be called in
sequence. Then, if travel speed is less than set speed, the device will send position information with information
format returned from “request for single positioning" to the three prestored numbers immediately. Information
status is STATE: SAFE SPEED. It will also call the first prestored number immediately. If it fails (the phone is
turned off or cannot be connected), the second and the third phone number will be called in sequence.
17. Mileage statistics function
17.1 Instruction to turn off mileage statistics
Instruction format: 140+user password
For example: 1400000
Description: After receiving the instruction, TLT-2F will return confirmation message: SET MILEAGE
STATISTICS OFF OK. Mileage statistics function will remain in turnoff status.
17.2 Instruction to turn on mileage statistics
The instruction can be used to set the interval of timing report on total mileage.
Instruction format: 141+PW
Description: After receiving the instruction, TLT-2F will return confirmation message: SET MILEAGE
STATISTICS ON OK. Mileage statistics function will be turn on.
17.3 Instruction to set initial mileage value (zero clearing)
Instruction format: 142+PW
Description: After receiving the instruction, TLT-2F will return confirmation message: MILEAGE
STATISTICS RESET OK.
17.4 Instruction to read current mileage
Instruction format: 143 + user password.
For example: 1430000
Description: After receiving the instruction and confirming that user password is correct, the device will read
current total mileage value and return the following message to the number which sends the instruction: MILEAGE
STATISTICS:ON
CURRENT TOTAL MILEAGE:XX (XX means current mileage value with unit of M).