GL50MG User Manual
2.3.
LED Description
Figure 2.
GL50MG LEDs
There are two LEDs on GL50MG. They can work separately and in combination to indicate the
status of the device. For the details when they work separately, please see the table below:
Table 5.
GL50MG LED Description (work separately)
Fast flash: 100ms on/200ms off
Slow flash: 200ms on/1000ms off
Note:
The LEDs will be on about 5 minutes after power on. After that, they will always be off.
When they work in combination, the details are described as below:
Table 6.
GL50MG LED Description (work in combination)
LED
Event
State
Status LED
(Green)
Searching network
Fast flash
The device has been registered on network
Slow flash
SIM is locked by PIN
Solid on
Network modem off
Solid off
GPS LED
(Blue)
GPS is in the process of fixing
Fast flash
GPS is on and GPS gets fix
Slow flash
GPS off
Solid off
During power on
The STATUS LED will be on for about 5s, and then both
the LEDs will flash alternatively.
When checking the device status
Both the LEDs will be on to indicate the device still
works.
During power off
Both the LEDs will flash simultaneously to indicate the
device is being powered off.
LEDs
QSZTRACGL50MGUM0100
4