5
3.2.
LED Indications
Long press the switch for 2 seconds to turn on/off MT90.
GPS LED (Blue)
On
Charging
Flashing (every 5 secs.)
Sleeping
Flash (1 sec on, 1 sec off)
No GPS fix or initializing
Off
GPS fix
Fast flash (0.3 sec on, 0.3
sec off)
Low battery
GSM LED (Green)
On
A call is coming in or busy
Flashing (every 5 secs.)
Sleeping
Flash (1 sec on, 1 sec off)
No GSM signal or initializing
Off
MT90 is connected to GSM
network
“BI” twice, and the logger will stop automatically.
Note: you can make turn on/off function of logger (default:
valid) invalid through Meitrack Manager to avoid
operating failure.
10
Volume-/GPRS
Button
Light press to turn down the volume.
In standby mode, long press for 2 seconds, when
the buzzer “BI” once, GPRS function will be
enabled automatically. ( Precondition: GPRS
parameter must be set in advance, default GPRS
message interval is 10 minutes)
Long press for 2 seconds again, when the buzzer
“BI” twice, GPRS function will be disabled
automatically.
Note: you can make turn on/off function of logger (default:
valid) invalid through Meitrack Manager to avoid
operating failure.
11
Lanyard Loop
For connecting lanyard.
12
Battery Cover
Install the battery, SIM card and Micro SD card by
removing the battery cover.
3.3.
First Use
1.
Remove the Battery Cover
With the device turned off, place your
MT90 with the front facing down. Use
the mini screwdriver to remove the two
screws to release the back cover. Lift up
the back cover from the notch at the
bottom of the device.
