GV57MG V2 User Manual
TRACGV57MG V2UM001
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Table 8. Definition of Device Status and LED
LED
Device Status
LED Status
Cellular
LED
(Green)
The device is searching for network.
Fast flashing
The device has been registered to on network.
Slow flashing
The SIM card needs pin code to unlock.
Solid green
The device is connected to another device via
Bluetooth for the first time, when <
Target Mac
Address
> is set by the
AT+GTSVR
command.
2000ms
ON/2000ms
OFF(last 40s)
GNSS
LED
(Red)
GNSS is turned off.
OFF
The device has got GNSS location information.
Solid red
The device is searching for GNSS signal.
Fast flashing
GNSS sends no data or data format error occurs.
Slow flashing
Note:
1. The fast flashing of the Cellular LED is about 100ms when the LED indicator is on and
800ms when it is off.
2. The slow flashing of the Cellular LED is about 100ms when the LED indicator is on and
2000ms when it is off.
3. The fast flashing of the GNSS LED is about 100ms when the LED indicator is on and
100ms when it is off.
4. The slow flashing of the GNSS LED is about 600ms when the LED indicator is on and
600ms when it is off.
3.9 Motion Sensor Direction
The GV57MG V2 has an internal 3-axis accelerometer that supports motion detection. The
following screenshot shows the directions of the motion sensor. The z-axis points vertically
inward.
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