User's Manual
Shenzhen TOPFLYtech Co., Limited. All Rights Reserved 8
whether is enabled.
7.1.3 Make sure there is no limitation or already added server IP to the IP white list
when using a M2M SIM card.
7.1.4 Check the remaining balance or network signal of the SIM card.
7.2 Tracker Shows Offline
7.2.1 Check the external power voltage to see whether the tracker is disconnected from
external power.
7.2.2 Check if the vehicle entered network blind area.
7.2.3 Check the balance of tracker SIM card.
7.2.4 If the connection lost happens on the last several days of the month, check
whether the data service is terminated by carrier because of exceeding the max
data usage volume.
7.3 Unable to locate
7.3.1 Is the top side (with TOP SIDE logo on) facing upwards without shielded by
metallic things during the installation?
7.3.2 Does the vehicle enter an area with no satellite coverage?
7.4 Location Drift
In an area with poor GNSS signal (like the areas with lots of high buildings), location drift
may happen. When move to open area, the drift will no longer exists.
7.5 No Command Reply
7.5.1 Check the command format. Make sure it’s correct.
7.5.2 Vehicle may be in network blind area.
7.5.3 Ensure the SIM card is properly inserted.
8. Warranty and Stock
The standard warranty period is 12 months starting from the date of purchasing. If the tracker
will be stored for a long time, please connect it to the external power and recharge the internal
battery (10 hours) every 3 months. It will be helpful to the internal battery life.
9. Frequently Used Operation Commands (SMS)
Commands are not case-sensitive and can be sent via mobile phone or Web. The content is
separated by comma and ends with #. When set successfully, the tracker will return OK and
execute it. Otherwise there is no message returned.
Function
Command Format
APN Setting
APN
,Current PIN
,
APN Name
,
User Name,Password
#
Server Setting
IP
,Current PIN
,
Server Domain Name or IP
,
Port Number
#
Upload Interval Setting
TIMER,
Current PIN
,
Upload Time(ACC on)
:
Upload Time(ACC
off)
:
Angle Compensation
:
Distance Compensation
#