AVL-55 User Manual
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TTW-AVL55-UM001
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Table 9.
Definition of Device status and LED
Note:
1 - GSM LED cannot be configured.
2 - GPS LED and PWR LED can be configured to turn off after a period of time using the configuration
tool
3 - Fast flashing is about 60ms ON/ 780ms OFF
4 - Slow flashing is about 60ms ON/ 1940ms OFF
3.11.
Motion Sensor direction
AVL-55 has an internal 3-axis accelerometer supporting driving behavior monitoring, power
conservation and motion detection. The following is the direction of the motion sensor.
LED
Device status
LED status
LED
Device status
LED status
GSM
(note1)
Device is searching GSM network
Fast flashing
(Note3)
Device has registered to GSM network.
Slow flashing
(Note4)
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.
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 3.35V.
OFF
No external power and internal battery voltage is
below 3.5V.
Slow flashing
External power in and internal battery is charging
Fast flashing
External power in and internal battery is fully
charged
ON
