
File Name MEITRACK MT90 User Guide Creator Cavana Cheung
Project MT90 Creation Date
Update Date
2011-05-16
2012-04-06
Sub Project User Guide Page 10 of 18
Revision V1.4 Confidential External Documentation
Copyright © 2012 Shenzhen Meiligao Electronics Co., Ltd. All rights reserved.
-10-
0000,A71,13500000000,,
0000,A71,13500000000,13600000000,
0000,A71.13500000000,13600000000,13700000000
To clear the combination of functions directly sending 0000,A71
(If this function can’t be achieved, please add your Country and Area Code before your phone number
when you set the preauthorized numbers, or you can also consult your local mobile operator.)
7.3 Listening-in (Voice Monitoring) – A72
This command enables users to listen-in to the surrounding environment. Configuring this feature will allow
the devices to confidentially and automatically answer and allow listening-in, one-way voice communication.
The Content of Mobil Phone SMS:
0000,A72,Monitor Number 1,Monitor Number 2
Sent to the embedded SIM card numbers.
IMEI,A72,OK
Successfully set monitor number.
When the preset monitor number calls the MT90, the device will answer automatically and enter into the
listening state. The device will not emit any sound.
Note: the default value is empty, if the function numbers are less than three while setting, it must be added
“,” to avoid setting failure. To clear the combination of monitor numbers directly sending 0000,A72
(If this function can’t be achieved, please add your Country and Area Code before your phone number
when you set the preauthorized numbers, or you can also consult your local mobile operator.)
7.4 Smart Sleep Mode – A73
This command enables the sleep mode function. In this mode, logging, timinga and location are all disabled.
The Content of Mobile Phone SMS:
0000,A73,sleep levels
Sent to the embedded SIM card numbers.
MT90 automatic reply SMS:
IMEI,A73,OK
Prompt successfully.
To restart the Log or regular position, you must first cancel the sleep mode.
Note:
X=0, turn off sleep mode (default)
X=1, normal sleep, the device can work 25% longer than no sleep mode. Note: this is not recommended for