1.3.3 LED Indicators
When AVL is in work mode, if GSM signal is in good state, the green led
will flash, similarly, if GPS signal is in good state, the blue led will flash, if
the green led is not flashing, that indicates the GSM signal is not good, if
the blue led is not flashing, then you should check if there is something
upon the GPS antenna top. Further, if you find the three leds are dark,
maybe the AVL entered into "sleep-mode" or there is no power in the AVL
unit.
LED State Description
light 0.1s dark 2.9s GPS Signal Well
light 1s dark 2s No GPS Signal
GPS Indicator
(Blue LED)
light 0.5s dark 0.5s GPS Fault
light 0.1s dark 0.1s System Initial
light 1s dark 2s Low Power
light 0.1s dark 2.9s Power Good
Tremble
Indicator
( Red LED)
always light On Tremble
light 0.1s dark 0.1s System Initial
light 0.1s dark 2.9s GSM Signal Well
light 1s dark 2s No GSM Signal
always dark No SIM Card Or Bad SIM Card
light 0.1s dark 0.1s (flash three
times)
Call Ring
always light In A Call
light 0.1s dark 0.3s (flash five
times)
Send A SMS
light 0.1s dark 0.3s (flash five
times)
Receive A SMS
GSM Indicator
(Green LED)
light 0.1s dark 1s Connect to GPRS
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General