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MEITRACK TC68E Plug-and-Play Vehicle GPS Tracker User Guide
Phone number 2/3: When you call the device by using these phone numbers, you will receive an SMS notification
about location information.
If you need to delete all authorized phone numbers, send 0000,A71.
When the SOS button is pressed, the device will dial phone numbers 1, 2, and 3 in sequence. It will stop dialing when
a phone number responds. Meanwhile, the device will send an alert to phone number 1.
Example:
SMS sending: 0000,A71,13811111111,13822222222,13833333333
SMS reply: 353358017784062,A71,OK
5.3.2 Setting the Smart Sleep Mode – A73
SMS sending: 0000,A73,Sleep level
SMS reply: IMEI,A73,OK
Description:
The device equipped with an OBD II plug is always powered on by the vehicle's battery. You are advised to enable
the sleep function of the device to save battery power.
Sleep level = 0: The sleep mode is disabled (default).
Sleep level = 1: The device enters the normal sleep mode. The GPS module works for five minutes, then the device
will stop working for five minutes. The above actions will be cycled, but the GSM module always works. GPRS and
SMS scheduling functions are not affected.
Sleep level = 2: The device enters the deep sleep mode. If no event (such as the SOS, button triggered, incoming calls,
vibration, or SMS messages) is triggered after five minutes, the GPS module will stop working and the GSM module
will enter the sleep mode. Once an event is triggered, the GPS and GSM modules will be woken up. Then the above
actions will be cycled.
In any condition, you can disable the sleep mode, and then the device exits the sleep mode and returns to the normal
working mode.
In the deep sleep mode, if you want to obtain the location by the SMS or call, when the GPS is valid, the device will
reply to a GPS map link; when the GPS is invalid, it will reply to the most recent GPS map link.
After the device enters the deep sleep mode, functions of Tracking By Time Interval, Tracking By Distance, and GPSLog
are not available until the device is woken up from the deep sleep mode.
The device can be woken up from the sleep mode by pressing a button, making a call, or sending an SMS message.
After events are handled, the device will enter the sleep mode again.
Example:
SMS sending: 0000,A73,2
SMS reply: 353358017784062,A73,OK
5.3.3 Setting the SMS Time Zone – B35
SMS sending: 0000,B35,SMS minute
SMS reply: IMEI,B35,OK
Description:
The default time zone of the device is GMT 0 (480 minutes). This command is used to change the time zone of SMS
reports to the local time zone. The time zone of SMS reports is different from that of GPRS data packets. In addition,
the GPS Log time zone is GMT 0.
SMS minute = 0: The time zone is GMT 0.
SMS minute = [-32768...32767], set time zones. Set the China time zone value to 480.
Example:
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