light will turn on. When the external power connection
+GPS positGSM is normal, the indicator light
will always be on. When the GPS +GSM is normal, but
the external power is not connected, the indicator
light flashes quickly; When GSM is normally
connected with external power and GPS is not
located, the indicator light will normally flash (1.5
seconds off and 0.5 seconds on); When the GPS
posit external power connection, but the GSM
network is not normal, the light will flash slowly (3
seconds flash, 0.5 seconds on); When the GSM
network is abnormal, GPS does not locate and
external power is disconnected, the indicator light
does not light.
2.
Power off: unplug the power connector, the standby
battery of the device runs out, and the terminal shuts
down after power off.
disconnect the external power first and then insert the
SIM card. When the device is started, the indicator
