TLT-2F GPS/GSM Car Tracker Instruction Manual V3.0
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HISTORICAL REWIRE. It will send all historical data rewired in storage area to the server with the same format
as position information mentioned in “instruction to immediately upload current position” under GPRS mode and
information status is SOTRAGE.
11. Switch to upload invalid data
Instruction format: 08X + user password 4 digits
Function description: After receiving the instruction, TLT-2F will be able to determine whether to upload
invalid data in accordance with X value.
If X=1, the device will turn on the function of uploading invalid data. After success, the device will return
confirmation message to the sender: INVALID DATA UPLOAD
ON. At this time, whether received GPS data are
valid, they will be uploaded to the server.
If X=0, the device will turn off the function of uploading invalid data. After success, it will return
confirmation message: INVALID DATA UPLOAD: OFF. At this time, invalid data upload will be turned off and
only valid data will be uploaded.
Note: 1. Default setting is turning off invalid data upload.
2. The function is available for GPRS mode only.
12. Instruction to change time zone setting in GPRS mode
Instruction format: 897 + user password 4 D + NN
For example: 8970000E08
Description: After receiving the instruction, TLT-2F will return confirmation message: TIME ZONE SET
OK,CURRENT
DN
For example: TIME ZONE SET OK,CURRENT
E8
.
Note 1. D takes E or W to indicate east or west time zone. NN takes a 2-digit number (1-12) to indicate time
zone number.
2. If successes to set 8970000E08, GPRS data upload time will be GPS time plus 8. If successes to set
8970000W07, GPRS data upload time will be GPS time minus 7.
3. Default value is Greenwich time (UTC).
4. The instruction is available for data upload in GPRS mode only.