MEITRACK MT90L User Guide
Copyright © 2019 Meitrack Group All rights reserved.
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SMS text:
0000,A73,
Sleep level
Send the text to the embedded SIM card phone number.
The MT90L automatically replies to the SMS: IMEI,A73,OK. It indicates that the sleep mode is set successfully.
Set the auto smart sleep mode when the device is idle.
Sleep level = 0: function disabled (default).
Sleep level = 2: deep sleep. If no event 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.
The above actions will be cycled.
Sleep level = 3: super deep sleep. If no event is triggered after five minutes, the GPS and GSM module will stop
working. Once an event is triggered, the GPS and GSM modules will be woken up. The above actions will be cycled.
Note
：
Triggering events include the SOS alert, auxiliary button pressed, vibration, towing alert, USB plug/unplug, charging,
alarm clock, reset step event, calling/incoming call (deep sleep mode), SMS receiving (deep sleep mode).
The difference between the Super Deep Sleep mode and the Deep Sleep mode is that the GSM module of the
former will stop working, and the device cannot be woken up by call and SMS.
The heartbeat event is triggered in the Deep Sleep mode and Supper Deep Sleep mode, which is uploaded every
one hour by default.
Example:
Sending: 0000,A73,2
Reply: 353358017784062,A73,OK
7.6
Setting the SMS Time Zone – B35
This command is used to set the time zone of an SMS report. The default time zone of the tracker is GMT 0.
To change the time zone, follow the following instructions:
SMS text:
0000,B35,
SMS minute
Send the text to the embedded SIM card phone number.
The MT90L automatically replies to the SMS: IMEI,B35,OK. It indicates that the time zone is set successfully.
Note: The time zone is in unit of minutes. The default time zone of the tracker is GMT 0, and the time zone of SMS
reports is different from that of GPRS/UMTS data packets. The GPS Log time zone is GMT 0.
When
SMS minute
is
0
, the time zone is
GMT 0
(default time zone).
When
SMS minute
is a value ranging from -32768 to 32767, set time zones. Set the China time zone value to
480
.
Example:
Sending: 0000,B35,480
Reply: 353358017784062,B35,OK (The time zone is set to Beijing time successfully.)
The digit is your MT90L 's IMEI number.
8
Configuring Device Parameters by Meitrack Manager
This section describes how to use Meitrack Manager to configure the MT90L on a computer.
Procedure:
1.
Install the USB driver and Meitrack Manager.
2.
Connect the MT90L to a computer with the USB cable.
