Queclink GV600MG - Device Status and LED

GV600MG User Manual
QSZTRACGV600UM0106 12
Figure 13. Typical Connection with Other Devices
Note:
Pay attention to the polarity of the relay if it is pre-installed with an internal flyback diode during
connection. Install an additional diode externally if there is no pre-installed internal diode. A
common diode such as a 1N4004 one will work in most circumstances.
3.9. Device Status and LED
Table 10. Definition of Device Status and LED
LED
Device Status
LED Status
CELL
(Note 1)
Device is searching CELL network.
Fast flashing (Note 3)
Device has registered to CELL network.
Slow flashing(Note 4)
Device goes into sleep mode.
OFF
SIM card needs pin code to unlock.
ON
GPS
(Note 2)
GPS chip is powered off.
OFF
GPS sends no data or data format error occurs.
Slow flashing
GPS chip is searching GPS info.
Fast flashing
GPS chip has gotten GPS info.
ON
PWR
(Note 2)
No external power and internal battery voltage is lower
than 3.46V.
OFF
No external power and internal battery voltage is
below 3.6V.
Slow flashing
External power in and internal battery is charging.
Fast flashing
External power in and internal battery is fully charged.
ON