MEITRACK MT90A User Guide
Copyright © 2014 Meitrack Group All rights reserved.
- 6 -
5
About the MT90A
5.1
Appearance
No.
Item
Description
1
GPS indicator (blue)
Indicates GPS and battery status. For details, see the section 5.2 "Indicator."
2
GSM indicator
(green)
Indicates GSM status. For details, see the section 5.2 "Indicator."
3
Answer/Hang-up
button
Press the button to receive an incoming call.
Press the button to terminate the call.
Press and hold down the button for 2s to send a GPRS message to the server
when no incoming call or conversation is received. In this way, the device will
sound “BI” once and vibrate.
4
SOS button
Press and hold down the button for 2s in the case of emergency. The device
will sound "BI" once and vibrate. The MT90A will also dial three authorized
phone numbers in turn. It will stop dialing when one phone number answers.
Meanwhile, the MT90A will send an SMS to the authorized phone number and
send a GPRS message to the server if the GPRS function is enabled.
Press the button to wake the device up if the device is in sleep mode.
5
Microphone
It will run automatically when the listen-in and call functions are used.
6
Loudspeaker
It will run automatically when the call function is used.
7
Power on/off
button
Press and hold down the button for 2s to turn on the MT90A.
Press and hold down the button for 2s to turn off the MT90A.
Press the button to wake the MT90A up from sleep mode. The power indicator
will blink for 10s.
8
Micro USB port
Used for charging, connecting a computer for parameter settings, and upgrading
software.
9
/GPS Log
button
Press the button to turn up the volume.
Press and hold down the button for 2s to start hands-free conversation.